Crawlspace & Attic Services for Puget Sound Homeowners — Trusted Since 1995

Protecting Puget Sound Homes From the Ground Up

Cold floors in January. A scratching sound you can't quite place at 2 a.m. The nagging feeling that something is wrong under your house — and you're not sure you want to know what it is. If any of that sounds familiar, you're not alone. Thousands of homeowners across King, Snohomish, Pierce, Thurston, and Island Counties deal with exactly these concerns every year.

American Crawlspace & Pest Services has been answering those calls since 1995. We're a 100% locally and family-owned company — not a private equity rollup — and every technician who enters your home is trained, vetted, and employed directly by us. Licensed Contractor #AMERICC911J8. Certified by PSE and Snohomish County PUD. Rated 4.9 ★ on Google with hundreds of five-star reviews.

American Crawl — The Team To Call.

Get a Free Inspection or call us at [Needs your input: phone number] — no pressure, no obligation.

Ready to find out what's happening under your home? Call American Crawlspace & Pest Services at [Needs your input: phone number] or schedule your free inspection online. We serve homeowners throughout King, Snohomish, Pierce, Thurston, and Island Counties — and we've been doing it since 1995.

Why Nearly 25,000 Pacific Northwest Homeowners Have Trusted American Crawl

There are plenty of companies that will send a subcontractor to your home, hand you a quote, and disappear. That's not how we work, and it's not how we've kept customers coming back since 1995.

Our management team averages more than 8 years with the company. Many crew members have been here 5 years or more. With roughly 53 employees, we have the depth to handle complex jobs without cutting corners — and the tenure to do them right the first time. When we say we stand behind our work, that means the same people who did the job are still here if you ever need to call.

Last year alone, we helped Pacific Northwest homeowners access over $3 million in utility rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. We're the region's preferred rebate partner — nobody processes more utility rebates in the area than we do. Across the web, our customer satisfaction rating is 4.8 out of 5. On Google, it's 4.9 stars, backed by hundreds of unsolicited five-star reviews.

Nearly 25,000 homes served. Every one of them with in-house crews. Every one of them under one roof — ours.

Home Services That Cover Everything Under Your Roof and Below Your Floors

Every service we offer is available through our full services page, where you can read about scope, materials, and what each job involves. Here's what we do:

Crawlspace and Attic Cleanup

Old, contaminated, or rodent-damaged insulation doesn't just smell — it affects your air quality and your energy bills. Our crawlspace and attic cleanup service includes complete insulation removal, rodent dropping cleanup, old vapor barrier removal, and full sanitization with a neutralizing enzyme treatment. We use specialized high-power vacuum equipment so nothing gets missed.

Crawlspace and Attic Insulation

After cleanup, or in homes where insulation was never installed properly to begin with, we install new insulation using formaldehyde-free products made from recycled glass and sand. Subfloor work goes in at R30, secured snugly to the floor joist cavity. Attic blown-in insulation reaches 8–10 inches minimum with proper venting baffles to maintain airflow. You can review material specs and installation details on our crawlspace and attic insulation page.

Rodent Exclusion and Removal

We follow a four-step process: free inspection, hole sealing and trapping system installation, cleanup and sanitization of contaminated areas, and ongoing monitoring. New insulation installed as part of this process is covered by our lifetime rodent warranty — materials and labor, for as long as you're enrolled in pest service.

Vapor Barrier Installation

Standing moisture in a crawlspace is one of the fastest ways to destroy insulation and invite mold. We install vapor barriers that protect your structure and your insulation investment from water intrusion at ground level.

Sump Pumps and Crawlspace Drainage

For homes where water actively pools below the floor, we install drainage systems and sump pumps. Annual sump pump inspections are included with our lifetime warranty program.

Duct Sealing and Insulation

Leaky heating ducts quietly waste 20% or more of the energy your system generates. Sealing and insulating those ducts is one of the most cost-effective upgrades you can make — and it qualifies for PSE and PUD rebates.

Mold Remediation

Mold in a crawlspace or attic isn't just a structural concern. We remove it professionally and restore the space to a safe condition before any new insulation goes in.

Commercial Property Services

We serve multifamily buildings, commercial properties, and larger facilities throughout the region. Details are available on our commercial property services page.

Moisture, pests, and energy loss are connected problems. A wet crawlspace invites rodents. Rodents destroy insulation. Damaged insulation spikes your heating bill. We look at your home as a system — which is why our work holds up long after we leave.

What Happens When You Call American Crawl

Step 1 — Free On-Site Inspection

A licensed technician visits your home, crawls under the house or accesses the attic, and tells you honestly what they find. If your insulation is fine, we'll say so. If there's a rodent problem or moisture damage, we'll show you exactly what we found and explain what it means — no pressure, no obligation to book anything.

Step 2 — Clear, Detailed Estimate

You receive a written scope of work in plain language. Our team walks you through what was found, what we recommend, and why it matters. Rebate eligibility gets reviewed at this stage too, so you know what financial assistance is available before you decide anything.

Step 3 — Expert Work and Guaranteed Results

In-house crews complete the job cleanly and thoroughly. We protect your home's surfaces during the work, remove all debris, and review warranty and monitoring options with you before we leave. You'll know exactly what was done and why.

Schedule your free inspection and we'll take it from there.

What Sets Our Home Inspections and Service Guarantees Apart

A lot of companies in this space do rodent exclusion without a pest control license. We're one of only two WSDA-licensed full-service pest control companies operating in our market — among dozens of competitors. That licensing matters because it determines the scope of what we're legally authorized to do and how accountable we are for the results.

Our lifetime rodent guarantee covers materials and labor — no fine print, no asterisks — for as long as you're on pest service. We don't lock you into a contract to maintain it. We use Integrated Pest Management: exclusion, trapping, and baiting that addresses the root cause rather than treating symptoms repeatedly.

On the insulation side, we install formaldehyde-free batts made from recycled glass and sand, and we use high-power vacuum equipment purpose-built for crawlspace and attic work. That equipment makes the difference between a thorough cleanup and one that looks thorough. Other details that matter: every technician is a direct employee, not a subcontractor. Financing is available for qualified customers. And our rebate program is the most active in the region — over $3 million facilitated last year across PSE, Snohomish PUD, Tacoma Power, and Cascade Natural Gas.

Save Money on Your Home's Energy Bills With Utility Rebates

Insulation and duct sealing upgrades can reduce your energy bills by 20% or more. Those same upgrades often qualify for rebates through your utility provider — and we're a certified contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. That certification means rebates can be applied directly, and we handle the paperwork so you don't have to sort through it yourself.

Last year, we helped homeowners across the Puget Sound region recover over $3 million in utility rebates. Rebate-eligible services include attic insulation, subfloor insulation, and duct sealing. Not every home qualifies for every rebate, but the free inspection is the right place to find out what applies to your situation.

Contact us to see if you qualify — we'll review your home's rebate eligibility at no charge during the inspection.

Properties and Homes We Service Across the Region

The homes we work in vary widely — from 1940s Seattle bungalows with original subfloor insulation to newer construction in Sammamish that never had a vapor barrier installed correctly. We also serve commercial properties and larger facilities, detailed on our industries page.

• Single-family homes, pre-1990 and newer construction
• Multifamily buildings and apartment complexes
• Manufactured and mobile homes, common in Island County, Snohomish County, and Pierce County
• Commercial and retail properties
• Homes with active rodent activity, moisture problems, or high energy costs
• New construction requiring pre-treatment or initial insulation installation

What Our Home Service Customers Are Saying

Rated 4.9 ★ on Google with hundreds of five-star reviews. Rated 4.8 out of 5 across the web. These aren't the result of a review campaign — they're the result of crews that show up, do thorough work, and leave homes better than they found them.

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Areas We Serve Across Western Washington

We serve homeowners and property owners across five counties in Western Washington. If you're not sure we cover your area, call us or send a message through our contact page and we'll confirm quickly.

• King County: Seattle, Bellevue, Kent, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, Issaquah
• Snohomish County: Lynnwood, Everett, Edmonds, Marysville, Bothell
• Pierce County: Full county coverage — contact us to confirm your address
• Thurston County: Full county coverage — contact us to confirm your address
• Island County: Full county coverage — contact us to confirm your address

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Related Services

• Full list of crawlspace and attic services
• Crawlspace and attic cleanup details
• Crawlspace and attic insulation options
• Commercial property services
• Industries we serve

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Do I qualify for a PSE or PUD rebate on insulation or duct sealing work?

Many homeowners in the Puget Sound region do qualify, but eligibility depends on your utility provider, your home's current insulation levels, and which services are being installed. American Crawlspace & Pest Services is a certified contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, so we can review your rebate eligibility during the free inspection at no charge. Last year we helped homeowners in this region access over $3 million in utility rebates — and we handle the paperwork so you don't have to figure out the process on your own.

How do I know if I have a rodent problem in my crawlspace or attic?

The most common signs are scratching or scurrying sounds at night, rodent droppings in the crawlspace or attic, insulation that looks torn or compressed in irregular patterns, and unexplained increases in heating costs. You may also notice a faint ammonia smell coming through floors or vents. Because crawlspaces and attics are out of sight, infestations often go undetected for months — which is why a free inspection is the most reliable way to know for certain what's happening below or above your living space.

What does your free home inspection include — and is there any obligation to buy?

No, there is no obligation. A licensed technician physically accesses your crawlspace and/or attic, documents what they find, and gives you an honest assessment — including a clear statement if nothing needs to be done. You receive a written scope of work in plain language, and the team walks you through findings before leaving. If your home qualifies for utility rebates, that gets noted too. The inspection is genuinely free, and the decision about next steps is entirely yours.

What is the lifetime rodent warranty and how does it work?

The lifetime rodent guarantee covers both materials and labor on new insulation installed as part of our rodent exclusion process — with no fine print and no asterisks — for as long as you remain enrolled in our ongoing pest monitoring service. If rodents damage the new insulation while you're on service, we replace it at no cost to you. The warranty is backed by our WSDA-licensed pest control operation and our in-house crews, which means the same company that installed the insulation is also responsible for monitoring and honoring the guarantee over time.

Home › About Us

About American Crawlspace & Pest Services — Protecting Pacific Northwest Homes Since 1995

Our Story: Nearly 30 Years Serving the Puget Sound Region

American Crawlspace & Pest Services opened its doors in 1995 with a single focus: help Pacific Northwest homeowners understand what's happening in the spaces they can't see, and fix it the right way. Nearly three decades later, that focus hasn't changed.

The company is 100% locally and family owned. No private equity, no franchise agreement, no out-of-area investors deciding how your job gets done. The people who answer your call, inspect your crawlspace, and stand behind every guarantee are the same people who live and work in this community.

What started as a local crawlspace specialist has grown into a full-service operation covering crawlspace insulation, attic insulation, rodent exclusion, moisture management, mold remediation, and duct sealing across King, Snohomish, Pierce, Thurston, and Island Counties. Today the company employs roughly 53 people, a team size that brings scheduling reliability, consistent quality, and the operational depth to back every promise made to every customer.

The mission hasn't required updating: honest work, long-term protection, and genuine care for the homeowners who trust us with their homes.

Call American Crawlspace & Pest Services at [Needs your input: confirm main phone number] to request a free, no-obligation inspection or talk through what you're seeing at your home. The team serves Seattle, Bellevue, Everett, Tacoma, and communities throughout King, Snohomish, Pierce, Thurston, and Island Counties. You can also schedule through the contact page at any time.

What Our Values Look Like in Practice

Values are easy to list. They're harder to demonstrate at 7 a.m. under a wet crawlspace with a flashlight. Here's what ours actually look like on the job.

Every inspection starts with an honest account of what we found, described in plain language, without pressure to act immediately. If the problem is minor, we'll tell you it's minor. If it's significant, we'll explain why it matters and what the options are. We don't sell fear, and we don't manufacture urgency to close a job.

We don't talk down to homeowners for not knowing what's happening under their house. Most people have never been in their crawlspace. That's completely normal, and it's exactly why a thorough, clearly explained inspection matters.

Every crew member knows the job isn't finished when the insulation is in place. It's finished when the customer understands exactly what was done, why it was done, and what to expect going forward. Surfaces are protected during work, debris is removed, and the space is left cleaner than we found it. That standard isn't a marketing line; it's what earns a 4.9-star Google rating built on hundreds of unsolicited five-star reviews.

The Team Behind American Crawl — Experienced, Vetted, and In-House

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. The company does not use subcontractors. That matters because a lifetime guarantee is only as strong as the people backing it, and the only way to stand behind a lifetime promise is to control every step of the work.

The team reflects long-term commitment on both sides. Management averages more than eight years with the company. Many crew members have been here five or more years, and some have been part of the operation since the earliest days. That kind of continuity isn't common in this industry, and it shows in the consistency customers experience from one job to the next.

On the credentials side, the company holds Contractor License #AMERICC911J8 and is one of only two companies in our market to hold a WSDA (Washington State Department of Agriculture) full-service pest control license. Dozens of crawlspace companies in the region offer rodent exclusion work without that license. Technicians are certified through both PSE (Puget Sound Energy) and Snohomish County PUD, qualifying customers for utility rebate programs that many contractors simply can't access.

How Our Approach Translates Into Better Outcomes for Your Home

Since 1995, the company has served nearly 25,000 homes across the Pacific Northwest. That experience shapes how every job is approached, from the equipment used to the products specified.

Cleanup work relies on specialized high-power insulation vacuum equipment designed for attic and crawlspace environments. This isn't a shop vac adapted to the task; it's equipment built to pull contaminated material, rodent dropping debris, and old insulation out thoroughly, without leaving residue behind. After removal, affected areas are treated with a neutralizing enzyme sanitizer, not just surface-cleaned.

Insulation products are formaldehyde-free and made from recycled glass and sand. For crawlspace subfloor insulation, R30 fiberglass batts are installed snug to the subfloor in floor joist cavities. For attics, blown-in insulation is distributed evenly to proper depth with venting baffles maintained for air circulation. These choices aren't incidental; they're made to support real energy performance, with qualifying homes seeing energy bill reductions of 20% or more.

The company approaches every home as a connected system. Moisture, pests, and energy loss aren't separate problems with separate fixes. A wet crawlspace feeds mold, which damages insulation, which drives up heating costs, which signals a pest entry point. Addressing one without the others often means the problem returns. That whole-home thinking, covering attic insulation, crawlspace moisture control, rodent exclusion, and duct sealing together, is what separates a lasting fix from a temporary patch.

Credentials and Community Trust You Can Verify

American Crawlspace & Pest Services is a registered and approved insulation contractor with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. That approval means customers working with the company can access utility rebate programs directly, with technicians who know the requirements and handle the process.

Last year alone, the company facilitated over $3 million in utility rebates for customers across the region. For homeowners in Snohomish County, King County, Pierce County, and Thurston County who qualify for PSE or PUD rebate programs, working with an approved contractor is a prerequisite. The company's preferred partner status with PSE and co-branded materials with Tacoma Power, Cascade Natural Gas, and PST Multifamily reflects the depth of those relationships, not a checkbox on a contractor list.

The public record: a 4.8-out-of-5 rating across review platforms and a 4.9-star Google rating built on hundreds of reviews. Financing options are available for qualified customers, so an inspection finding doesn't have to stall into a decision delayed by budget concerns.

Our Guarantees — What We Actually Promise and Why It Holds

The Lifetime Rodent Guarantee covers both materials and labor. If rodents damage new insulation while you're enrolled in the pest monitoring service, the company replaces the material and performs the labor at no cost. No fine print, no asterisks, no per-incident caps. The guarantee holds because every step of the work, from exclusion through installation through monitoring, is performed by in-house employees the company controls directly.

Pest control is offered without a contract. The approach is Integrated Pest Management: exclusion first, then trapping and baiting, addressing the root cause rather than repeating a symptom-level treatment. Continued business is earned through results, not locked in through agreements. After rodent exclusion work, a one-year monitoring period is included as part of the service.

For homes with sump pump installations, an annual sump pump inspection is included with the lifetime warranty program. Free on-site inspections carry no obligation and no pressure. A technician will tell you honestly what they find, explain what it means, and give you time to decide what to make sense for your home and budget.

Properties and Spaces We Protect Across the Pacific Northwest

The company serves a wide range of property types throughout western Washington.

• Single-family homes, both pre-1990 construction and newer builds
• Multifamily housing and apartment buildings
• Commercial properties and light industrial facilities
• Crawlspaces, attics, subfloors, and HVAC duct systems
• Homes with active moisture intrusion, rodent activity, or mold presence
• Properties preparing for sale or undergoing post-inspection remediation work

If the problem involves a crawlspace, attic, or the systems connected to those spaces, the company is equipped to help. For commercial and multifamily properties, reaching out directly to discuss scope, timeline, and scale is the fastest way to get an accurate picture of what the work involves.

Areas We Serve in Western Washington

American Crawlspace & Pest Services operates throughout western Washington, with crews regularly working across five counties.

• King County: Seattle, Bellevue, Kent, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, Issaquah
• Snohomish County: Lynnwood, Everett, Edmonds, Marysville, Bothell
• Pierce County and Thurston County
• Island County

The Pacific Northwest climate, persistent rain from October through April, cold floor temperatures in older Craftsman and mid-century homes, and the moisture conditions that make Puget Sound crawlspaces a natural habitat for rodents and mold, is what the company has worked in since 1995. That regional familiarity isn't something an out-of-area company can replicate from a training manual.

Understanding which neighborhoods have piers and post foundations, which areas near Sammamish or Marysville see standing water seasonally, or why older homes in Shoreline and Burien often have undersized vapor barriers, that kind of local knowledge shapes how jobs are inspected and how fixes are built to last.

Ready to Meet the Team? Start With a Free Inspection

A free, no-obligation on-site inspection is the right starting point for most homeowners. There's no pressure involved and no commitment required. A technician will go through the crawlspace or attic, document what they find, and explain it to you in plain language before any conversation about next steps.

If you've been hearing sounds at night, noticed cold floors, received a report from a home inspector, or just want to know what's actually happening in a space you've never looked at closely, this is how you get an honest answer.

American Crawl, The Team To Call. Schedule your free inspection by visiting the contact page or calling the number below.

Related Services

• Crawlspace insulation installation and removal
• Attic insulation for Pacific Northwest homes
• Rodent exclusion and lifetime warranty details
• Vapor barrier installation and moisture control
• PSE and PUD rebate programs we support

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How long has American Crawlspace & Pest Services been in business?

American Crawlspace & Pest Services was founded in 1995 and has been operating continuously in the Pacific Northwest for nearly 30 years. In that time, the company has served nearly 25,000 homes across King, Snohomish, Pierce, Thurston, and Island Counties. That length of operation, without ownership changes or rebranding, reflects the stability of a company built on repeat customers and referrals rather than marketing alone.

Is American Crawlspace & Pest Services locally owned or part of a national chain?

The company is 100% locally and family owned, with no private equity involvement and no franchise affiliation. The people making decisions about staffing, service standards, and guarantees are the same people who live and work in this community. That matters because a locally owned business has a direct stake in its reputation in the neighborhoods it serves, which shapes how every job is handled.

What makes your lifetime rodent guarantee different from other crawlspace companies?

The Lifetime Rodent Guarantee covers both materials and labor in full, for as long as you remain on the pest monitoring service. There are no per-incident fees, no caps on replacement value, and no fine print that limits coverage after the first year. Most companies offering a rodent warranty cover only materials, not the labor to reinstall them, and some use subcontractors whose work they can't fully stand behind. Because every technician is a direct employee, the company controls every step and can make that promise without qualifications. You can learn more about how the exclusion process works on the rodent exclusion service page.

Are your technicians licensed for pest control, or just insulation work?

American Crawlspace & Pest Services holds a WSDA (Washington State Department of Agriculture) full-service pest control license, making it one of only two companies in the local market with that credential among dozens of competitors who offer rodent exclusion without it. Technicians are also certified by PSE (Puget Sound Energy) and Snohomish County PUD for insulation rebate programs. Contractor License #AMERICC911J8 is on file and verifiable through the Washington State Department of Labor and Industries.

Do you use subcontractors, or are all your crews employed by you directly?

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. The company does not use subcontractors on any job. With roughly 53 employees and a management team that averages more than eight years with the company, there's enough depth to staff jobs consistently without relying on outside labor. That in-house structure is also what allows the company to back a lifetime guarantee with confidence, because every step of the work is performed by people the company is directly responsible for.

How do I know if I qualify for PSE or Snohomish PUD rebates through your company?

American Crawlspace & Pest Services is a registered and approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, which means work performed by the company qualifies for those utility rebate programs when eligibility conditions are met. The company facilitated over $3 million in utility rebates for customers last year and handles the rebate process directly. The fastest way to find out if your home and project qualify is to schedule a free inspection; the technician can assess your current insulation and identify which upgrades apply. Visit the rebates page for a general overview of available programs.

Home › Safety & Compliance

Safety & Compliance at American Crawlspace & Pest Services

Why Our Safety & Compliance Standards Matter to Your Home

Letting someone into your home is one thing. Letting them into your crawlspace or attic — spaces you rarely see and may never check — is a different kind of trust. You deserve to know exactly who is working in those unseen areas, what they're doing there, and what guarantees back their work.

Compliance isn't paperwork for its own sake. It's protection: for your family, for your home's structure, for the crew doing the work, and for your investment in upgrades that are meant to last. A license means the work meets a legal standard. A certification means the technician has been trained and evaluated. Insurance means you're not holding liability for something that goes wrong on your property.

American Crawlspace & Pest Services has been serving Pacific Northwest homeowners since 1995. In that time, the team has completed work in nearly 25,000 homes across King, Snohomish, Pierce, Thurston, and Island Counties. The company is 100% locally and family owned — not a private equity rollup — and every credential listed on this page is real, verifiable, and current. If something's unconfirmed, it's flagged rather than guessed.

Call American Crawlspace & Pest Services at [Needs your input: phone number] to request your free inspection or ask about licensing, certifications, and coverage. The team serves homeowners throughout Seattle, Lynnwood, Bellevue, Everett, Kirkland, Kent, Renton, and communities across King, Snohomish, Pierce, Thurston, and Island Counties. Or contact us to schedule online.

Licenses, Certifications & Regulatory Credentials

Before any technician steps onto your property, these credentials are already in place:

• Washington State Contractor License: #AMERICC911J8 — active and verifiable through the Washington State Department of Labor & Industries.
• WSDA Pest Control License — American Crawlspace & Pest Services holds a Washington State Department of Agriculture pest control license, making it one of only two fully licensed full-service pest control companies among dozens of crawlspace competitors in this market. Most crawlspace companies perform rodent exclusion without holding this license.
• PSE Approved Insulation Contractor — certified and approved by Puget Sound Energy to perform qualifying insulation work that earns customers utility rebates.
• Snohomish County PUD Certified Contractor — certified to perform insulation and duct work that qualifies for Snohomish County PUD rebate programs.
• Tacoma Power and Cascade Natural Gas Approved — approved contractor with co-branded badge rights from both utilities.
• PST Multifamily Program Partner — recognized partner for multifamily housing rebate programs.

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How We Keep Your Home and Family Safe During Every Job

Every technician who enters your home is a direct employee of American Crawlspace & Pest Services — trained, background-checked, and employed by the company. There are no subcontractors. That distinction matters because it's the only way the company can stand behind its lifetime guarantee with confidence. When something goes wrong with subcontracted labor, accountability is diffuse. With an in-house crew, it stops here.

During insulation removal and rodent cleanup, crews use proper personal protective equipment and containment practices to prevent contaminants from spreading into living areas. After all rodent dropping cleanup is complete, a neutralizing enzyme sanitization treatment is applied to the affected surfaces. That enzyme breaks down the organic matter in droppings and urine rather than simply masking odors — eliminating the biological residue that can carry hantavirus and other pathogens.

The insulation products installed are formaldehyde-free, made from recycled glass and sand. They're safe for families and pets, and they hold up in the damp Pacific Northwest climate without off-gassing harmful compounds during or after installation.

High-power vacuum equipment captures debris and contaminants during removal rather than dispersing them. When the crew leaves, surfaces are protected and the work area is clean. A technician walks through the job with you before departing so you know exactly what was done and why — nothing is left unexplained.

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What Our Safety & Compliance Practices Include From Start to Finish

Safety and compliance aren't limited to the moment work begins. They run through every stage of a project:

• Free on-site inspection: A technician assesses your crawlspace or attic before any work is proposed. Findings are shared honestly, with no obligation to proceed. You'll understand what was found and why it matters before signing anything.
• Written scope of work: You receive a written description of the proposed work before the job starts, so there are no surprises.
• Integrated Pest Management (IPM): Our rodent exclusion program follows IPM principles — addressing the entry points, habitat, and food sources that attract rodents rather than applying repeated chemical treatments that only address symptoms. No contract required.
• 4-step rodent exclusion process: Inspection, exclusion and trapping, cleanup and sanitization, then ongoing monitoring. Each step is documented.
• Annual sump pump inspection: Included with the lifetime warranty program — a concrete, scheduled service touchpoint, not a vague promise.
• Post-job walkthrough: Before the crew leaves, they explain what was completed, show relevant documentation, and answer questions.

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Warranty & Accountability: What the Lifetime Guarantee Actually Means

The lifetime warranty on new insulation against rodent damage covers both materials and labor — not one or the other. For as long as you're enrolled in the ongoing pest monitoring service, full replacement is included if rodents breach the protected space and damage the new insulation. No fine print. No asterisks.

A 1-year monitoring period is included after all rodent exclusion work, giving the system time to prove itself before any renewal decision is made.

The team behind this guarantee isn't a rotating cast of seasonal hires. Management averages more than 8 years with the company. Many crew members have been with American Crawlspace & Pest Services for 5 years or more. With roughly 53 employees and nearly three decades of operating history, the company has the operational depth to honor long-term commitments — something smaller or less-established operations simply can't match.

Because the company is locally and family owned, the people making decisions about your home are the same people who live in this community. That accountability doesn't disappear when an out-of-market investor needs a quarterly return.

Certifications That Unlock Real Savings for Puget Sound Homeowners

Being certified by PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas isn't just a badge. It determines whether the insulation or duct work you pay for qualifies for utility rebates. Homeowners who hire a non-certified contractor for the same scope of work forfeit that rebate eligibility entirely, regardless of how well the job was done.

American Crawlspace & Pest Services is the preferred insulation contractor for PSE and facilitated over $3 million in utility rebates for customers last year alone. The team handles the rebate documentation — you don't have to navigate program requirements, submission deadlines, or utility-specific paperwork on your own.

Qualifying projects can include attic insulation, subfloor insulation, and duct sealing. Energy upgrades in pre-1990 homes across King, Snohomish, Pierce, and Thurston Counties often qualify, and the savings can be significant: properly installed insulation can reduce energy bills by 20% or more. See how utility rebates work and what you may qualify for before you commit to any project.

Types of Properties and Spaces Serviced to the Same Licensed Standard

The licensed, certified safety standard described on this page applies to every job regardless of property type or scope:

• Single-family residential homes — pre-1990 and newer construction throughout King, Snohomish, Pierce, and Thurston Counties.
• Crawlspaces — subfloor insulation removal and installation, vapor barrier installation, drainage system installation.
• Attics — blown-in insulation, mold remediation, rodent exclusion.
• Commercial properties and multifamily housing — crawlspace, attic, pest control, and moisture management under the same credentialed team.
• HVAC and duct systems — duct sealing and insulation in crawlspaces and attics, qualifying for utility rebates where applicable.

Whether it's a single-family home in Kirkland or a multifamily building in Everett, the crew, the products, and the process are the same. Learn more about what's involved in a full crawlspace and attic insulation project from inspection through installation.

Areas We Serve Across the Puget Sound Region

American Crawlspace & Pest Services operates throughout Western Washington, with crews regularly working across four counties:

• King County: Seattle, Bellevue, Kent, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, Issaquah
• Snohomish County: Lynnwood, Everett, Bothell, Edmonds, Marysville
• Pierce County and Thurston County
• Island County

The company has served the Pacific Northwest since 1995 and has completed work in nearly 25,000 homes across this region. Local roots mean local knowledge: the housing stock, the soil conditions, the rainfall patterns, and the specific pest pressures that come with living in the Puget Sound lowlands are not abstractions here — they're the daily work.

What Puget Sound Homeowners Say About the Work

American Crawlspace & Pest Services holds a 4.9-star rating on Google with hundreds of five-star reviews, and a 4.8 out of 5 rating based on aggregated reviews from across the web. These are unsolicited reviews earned through the quality of the work, not through marketing programs or incentivized feedback.

[Needs your input: Please supply 2–3 approved customer review excerpts that reference trust, cleanliness, thoroughness, professionalism, or the post-job walkthrough. Include reviewer first name and city if authorized.]

Reviewers consistently mention the crew's thoroughness, the clarity of the post-job explanation, and the absence of pressure during the inspection process. Those patterns show up repeatedly because they reflect the company's actual process — not a customer service script.

Ready to Work With a Licensed, Certified Pacific Northwest Crew?

Start with a free, no-obligation inspection. A technician will assess your crawlspace or attic, share findings clearly and honestly, and answer your questions — no pressure, no scare tactics. If the work makes sense for your home, you'll receive a written scope before anything begins. If it doesn't, you'll hear that too.

Financing options are available for qualified customers, and the team handles all utility rebate paperwork for qualifying projects. Schedule your free inspection or ask about credentials and coverage before you book.

Washington State Contractor License: #AMERICC911J8. WSDA-licensed pest control. PSE and Snohomish County PUD certified. Locally and family owned since 1995.

Related Services

• Rodent exclusion process and lifetime guarantee
• Crawlspace and attic insulation services
• PSE and PUD utility rebates for insulation upgrades
• Schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Is American Crawlspace & Pest Services licensed to perform pest control in Washington State?

Yes. American Crawlspace & Pest Services holds a Washington State Department of Agriculture (WSDA) pest control license, which is required to legally perform pest control work in Washington. This makes the company one of only two fully licensed full-service pest control companies among dozens of crawlspace contractors operating in this market. Most crawlspace companies perform rodent exclusion without holding this license, which limits the scope and accountability of their pest work. If you want to confirm the license, you can search the WSDA's licensed applicator database using the company name.

What certifications do I need my contractor to have to qualify for PSE or Snohomish PUD rebates?

Your contractor must be an approved, certified installer with the specific utility offering the rebate. For Puget Sound Energy rebates, the contractor must be on PSE's approved contractor list. For Snohomish County PUD rebates, the contractor must hold PUD certification. American Crawlspace & Pest Services is certified with both programs, as well as Tacoma Power and Cascade Natural Gas. Hiring a contractor who lacks this certification — even one who does quality work — means forfeiting rebate eligibility entirely. The team handles rebate paperwork directly, so you don't need to manage the submission process yourself. Learn more about what rebates you may qualify for based on your project type.

Are your crews employees or subcontractors — and why does it matter?

Every technician who works on your home is a direct employee of American Crawlspace & Pest Services — not a subcontractor. The distinction matters for two reasons. First, direct employees are trained, vetted, and accountable to the company's standards in a way that independent subcontractors are not. Second, the lifetime warranty on rodent damage to new insulation is only meaningful if the company can control the quality of every step — exclusion, installation, and monitoring. With subcontracted labor, that quality control breaks down. With an in-house crew of roughly 53 employees, many of whom have been with the company for five years or more, the accountability is real.

What does the lifetime warranty actually cover, and are there any exclusions?

The lifetime warranty covers both materials and labor for replacement of new insulation damaged by rodents — for as long as you remain enrolled in the ongoing pest monitoring service. There are no asterisks limiting it to one or the other. A 1-year monitoring period is included after all rodent exclusion work before any renewal decision is needed. The warranty is backed by a locally and family owned company with nearly three decades of operating history, not a franchise or private equity-backed operation whose terms could change with ownership. For full warranty details specific to your project, ask during your free inspection. You can also read more about the rodent exclusion process that the warranty is built around.

How do you make sure my home stays clean and safe during insulation removal?

Crews use appropriate personal protective equipment and containment practices during insulation removal and rodent cleanup to prevent contaminants from spreading into living areas. High-power vacuum equipment captures debris rather than dispersing it. After rodent dropping cleanup is complete, a neutralizing enzyme treatment is applied — this breaks down organic residue from droppings and urine at a biological level, eliminating pathogens rather than simply covering odors. The insulation products installed are formaldehyde-free, made from recycled glass and sand, and safe for families and pets. Before leaving, the crew walks through the completed work with you and confirms the job site is clean.

Do you carry insurance, and can I see proof before work begins?

Yes, American Crawlspace & Pest Services carries insurance coverage appropriate to the scope of work performed in residential and commercial properties. Washington State Contractor License #AMERICC911J8 is active and verifiable. [Needs your input: Confirm insurance carrier, policy type (general liability, workers' comp), and whether certificates of insurance are provided to homeowners on request before work begins.] Requesting proof of insurance before any contractor begins work in your home is a reasonable and recommended step, and the team is prepared to provide documentation.

Home › Why Choose Us

Why Thousands of Pacific Northwest Homeowners Choose American Crawlspace & Pest Services

Nearly 25,000 Homes Served — Here's Why Homeowners Keep Choosing Us

American Crawlspace & Pest Services has been working under Pacific Northwest homes since 1995. That's nearly three decades of crawlspaces, attics, and the very specific challenges that come with living in a wet, pest-active region like Puget Sound. The company is 100% locally and family owned, with roughly 53 employees on staff — people who live in the same communities they serve, from Seattle to Marysville to Issaquah.

The reviews reflect that history. American Crawl holds a 4.9-star rating on Google with hundreds of five-star reviews, and a 4.8 out of 5 aggregated across the web. Those aren't ratings earned through marketing spend. They come from homeowners who called because they heard scratching at night, or opened their crawlspace access and didn't like what they found, or got their heating bill in January and decided enough was enough.

Those are real concerns, and they deserve a real answer. You shouldn't have to wonder whether the crew that showed up actually found everything, or whether the rodents will be back next winter, or whether you just paid for work that won't hold up. American Crawl, The Team To Call, was built around answering those worries honestly — including the times when the honest answer isn't the easiest one to give.

Have questions about your crawlspace, attic, or a pest concern you've been putting off? Call American Crawlspace & Pest Services at (425) 257-0800 to schedule a free, no-obligation inspection, or request an appointment online. The team serves homeowners and property owners across King, Snohomish, Pierce, Thurston, and Island Counties — licensed, guaranteed, locally owned, and rated 4.9 stars on Google. Financing options and utility rebates may be available for your project.

Licensed, Certified, and Accountable — What Our Credentials Actually Mean for Your Home

Credentials matter because they're verifiable. Anyone can say they're experienced. Fewer can show you a license number.

American Crawlspace & Pest Services holds Contractor License #AMERICC911J8, on record and available to verify. Beyond that, the company is one of only two WSDA-licensed full-service pest control companies operating in this market. Most crawlspace companies do rodent exclusion work without holding a pest control license at all. That distinction affects what they're legally permitted to do in your home — and what accountability they carry when something goes wrong.

On the energy side, American Crawl technicians are certified by both PSE (Puget Sound Energy) and Snohomish County PUD. That certification is required to process utility rebates on your behalf — without it, you're doing the paperwork yourself, or leaving rebate money on the table entirely. American Crawl is the region's leading rebate partner, facilitating over $3 million in utility rebates for customers last year through co-branded partnerships with PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily.

[Needs your input: List any additional state, county, or trade-body licenses or certifications to display on this page.]

The Guarantees Behind Why We're Worth Choosing

The lifetime rodent guarantee is the clearest expression of how American Crawl operates. It covers materials and labor — full replacement of both, for as long as you remain on pest service. No fine print. No asterisks. No separate labor charge buried in the terms. If rodents damage new insulation after the work is done and you're enrolled in ongoing monitoring, it gets fixed at no cost to you.

That guarantee is possible because of the way the work is done in the first place, and because every technician is a direct employee — trained, vetted, and accountable. You can't confidently back a lifetime guarantee when you're sending subcontractors you've never met.

Other guarantees built into the program:

• Lifetime warranty on new insulation against rodent damage when enrolled in ongoing monitoring
• Annual sump pump inspection included with the lifetime warranty program, at no added charge
• A full 1-year monitoring period included after every rodent exclusion job
• Free on-site inspections with zero obligation to proceed

The free inspection isn't a sales tactic. It's how you find out what's actually going on under your home before you spend a dollar. American Crawl shows you what was found, explains what it means, and lets you decide what to do with that information.

What Our Why-Choose-Us Commitment Looks Like in Practice — The 4-Step Process

Every rodent exclusion job follows the same four-step process, in order, without shortcuts.

Step 1 — Free Inspection

A technician comes to your property, goes under the home or into the attic, documents what's there, and gives you an honest assessment. No pressure. No upsell. Just findings.

Step 2 — Exclusion and Trapping

Entry points get sealed. Trapping systems go in. The focus is on the root cause — closing the ways rodents are getting inside — rather than treating the symptom and calling it done.

Step 3 — Cleanup and Sanitization

Contaminated insulation is removed using specialized high-power vacuum equipment. Old vapor barriers come out. Rodent droppings are cleaned, and the area is treated with a neutralizing enzyme that removes odors and biological residue. Surfaces are protected throughout the process. No mess gets left behind, and before the crew leaves, you know exactly what was done and why.

Step 4 — Ongoing Monitoring

No-contract pest control through Integrated Pest Management. American Crawl doesn't lock you in with a service agreement. The company earns continued business by continuing to deliver results — through exclusion, trapping, and baiting that address the source of the problem, not just its visible signs.

Benefits of Choosing a True Whole-Home Partner

Moisture, pests, and energy loss aren't separate problems in a Pacific Northwest home. They're connected. Rodents follow moisture. Moisture damages insulation. Damaged insulation drives up heating costs. A crawlspace company that only handles one piece of that picture is leaving the rest of it unaddressed.

American Crawl covers the full picture: crawlspace insulation removal and installation, attic insulation, vapor barriers, duct sealing, crawlspace drainage systems, mold remediation, and pest control — all performed by the same in-house crew, under the same roof, with the same accountability.

Specific benefits homeowners see from proper insulation and duct sealing:

• Up to 20% or more in potential energy bill savings
• Warmer floors in winter, more consistent temperatures year-round
• Formaldehyde-free insulation products made from recycled glass and sand
• PSE and PUD rebates available — American Crawl handles the paperwork
• Financing options available for qualified customers, so the upfront cost doesn't have to be a barrier

When utility rebates apply, American Crawl manages the submission process directly with the utility. You get the credit without navigating the forms yourself.

Why Our Team Is Different — The People Behind the Work

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. No subcontractors. No day-labor crews brought in to hit a deadline. The company has roughly 53 employees, and management averages more than 8 years with the company. Many crew members have been with American Crawl for 5 years or more.

That tenure matters in a trade where the details determine whether the work holds. A technician who has spent years under Pacific Northwest homes — homes built before 1990 in neighborhoods like Shoreline, Kent, and Edmonds, homes with tight access points and specific moisture patterns — works differently than someone who went through a two-week onboarding and is moving to the next job as fast as possible.

It's also the reason the lifetime guarantee is credible. You can't promise full replacement of materials and labor on work performed by crews you don't control. American Crawl's award-winning crews have earned recognition from utility partners precisely because the work is consistent enough to put the company's name behind it — permanently.

The company is 100% locally and family owned. The people making decisions about your home are the same people who live and work in King, Snohomish, Pierce, and Thurston Counties. That isn't a tagline. It's reflected in how calls get handled, how inspections get conducted, and how problems get resolved when they come up.

Properties and Scopes of Work We Cover Across the Puget Sound

American Crawlspace & Pest Services works on single-family homes throughout the service area, with particular familiarity in pre-1990 housing stock common across King, Snohomish, Pierce, and Thurston Counties. Older homes frequently have original insulation that has degraded, compressed, or been contaminated — and they often have entry points that were never sealed when the home was built.

Beyond single-family residential, the company serves commercial properties and multifamily housing, including larger-scale insulation, pest control, and moisture management projects. Scopes of work include:

• Crawlspace insulation removal and new installation
• Attic insulation blown-in installation
• Rodent exclusion, trapping, cleanup, and monitoring
• Vapor barrier installation
• Crawlspace drainage and sump pump installation
• Mold remediation in crawlspaces and attics
• Duct sealing and insulation

[Needs your input: Confirm whether mobile homes or manufactured housing are currently in scope for any or all services.]

Areas We Serve Across Western Washington

American Crawlspace & Pest Services operates throughout Western Washington, covering four counties and dozens of cities:

• King County: Seattle, Bellevue, Kent, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, Issaquah
• Snohomish County: Lynnwood, Everett, Edmonds, Marysville, Bothell
• Pierce County and Thurston County
• Island County

Free on-site inspections are available throughout all service areas. Schedule your inspection online or call to set up a time — no obligation, no pressure, just an honest look at what's going on under or above your home.

Related Services

• Rodent exclusion process and what it covers
• Crawlspace insulation removal and installation
• Attic insulation options and rebate eligibility
• Schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Are you licensed to do both pest control and insulation work in Washington State?

Yes, American Crawlspace & Pest Services holds both a contractor license (License #AMERICC911J8) and a full WSDA pest control license, making the company one of only two fully licensed pest control and insulation contractors operating in this market. Most crawlspace companies perform rodent exclusion work without a pest control license, which limits what they can legally do and removes a layer of regulatory accountability. Holding both licenses means you get the full scope of work done legally, properly, and under a single accountable company.

What does your lifetime rodent guarantee actually cover — materials, labor, or both?

The lifetime rodent guarantee covers both materials and labor, in full, for as long as you remain enrolled in the ongoing monitoring service. If rodents damage new insulation after the exclusion work is completed, American Crawl replaces everything at no cost to you — no separate labor charge, no deductible, no fine print. That level of coverage is only possible because every technician is a direct employee and the exclusion process is thorough enough that the company is willing to stand behind it permanently.

Do you use subcontractors, or are all your technicians your own employees?

Every technician who works in your home is a trained, vetted, direct employee of American Crawlspace & Pest Services — no subcontractors, ever. The company has roughly 53 employees, with management averaging more than 8 years of tenure and many crew members at 5 or more years. That consistency is what allows American Crawl to back a lifetime guarantee with genuine confidence: the work is performed by people the company knows, has trained, and is fully accountable for.

How do PSE and PUD rebates work, and will you help me with the paperwork?

Yes, American Crawl handles the rebate paperwork directly with the utility on your behalf. As a certified contractor with both PSE and Snohomish County PUD, and as a preferred partner with Tacoma Power and Cascade Natural Gas, the company facilitates rebate submissions as part of the project process — you don't need to navigate the utility portals yourself. American Crawl facilitated over $3 million in utility rebates for customers last year, making it the region's leading rebate partner for crawlspace and attic insulation work. Schedule an inspection to find out which rebates apply to your home.

What happens if rodents come back after you've done the exclusion work?

If you're enrolled in the ongoing monitoring service, American Crawl returns and addresses the problem at no additional cost under the lifetime rodent guarantee — covering full replacement of both materials and labor. The 4-step exclusion process is designed to close entry points at the source, not just trap animals already inside, which significantly reduces the likelihood of re-entry. The 1-year monitoring period included with every job means the company is actively watching for signs of activity during the period when re-entry is most likely to occur.

Why should I choose you over a cheaper quote I got from another crawlspace company?

The honest answer is that the right question isn't which quote is cheaper — it's what each quote actually covers. A lower price that doesn't include sanitization, doesn't use a licensed pest control company, doesn't offer a labor-inclusive guarantee, and doesn't process rebates on your behalf can end up costing more over time. American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control and insulation contractors in this market, carries Contractor License #AMERICC911J8, is rated 4.9 stars on Google with hundreds of reviews, and has served nearly 25,000 Pacific Northwest homes since 1995. The free inspection lets you compare what's actually being offered before you commit to anything.

Home › Awards & Certifications

Awards & Certifications: Why Puget Sound Homeowners Trust American Crawlspace & Pest Services

Nearly 30 Years of Earned Recognition in the Pacific Northwest

American Crawlspace & Pest Services has been working under the homes and inside the attics of Pacific Northwest families since 1995. In that time, the company has served nearly 25,000 homes across King, Snohomish, Pierce, Thurston, and Island Counties. The credentials the company holds today were not purchased or applied for as marketing exercises. They reflect a track record of completed work, passed inspections, trained crews, and homeowners who came back — or sent their neighbors.

Across review platforms, American Crawlspace & Pest Services holds a 4.9-star Google rating with hundreds of five-star reviews, and a 4.8 out of 5 rating based on aggregated reviews from around the web. Those numbers come from homeowners in Sammamish and Shoreline and Marysville and Auburn — not a curated sample. The team behind those ratings includes roughly 53 in-house employees, with management averaging 8 or more years with the company and several crew members who have been here since the early years.

Certifications matter most when the people holding them have the depth to back them up. The combination of long tenure, in-house staffing, and a consistent service record is what allows American Crawlspace & Pest Services to offer a lifetime guarantee — and mean it.

Ready to work with a certified, licensed, and locally owned team? Call American Crawlspace & Pest Services at [Needs your input: verified phone number] or request your free inspection online. Financing is available for qualified customers, and the team can identify any utility rebates you may qualify for before the job begins. American Crawl, The Team To Call.

Licensing & Contractor Credentials That Protect You

Washington State contractor license #AMERICC911J8 is active, verifiable, and displayed here precisely because it should be easy for any homeowner to confirm. Licensed contractor status means the work performed in your home meets Washington State standards, and that you have legal recourse if it doesn't. That matters whether the job is insulation removal in a Bellevue crawlspace or duct sealing in a Renton attic.

The more significant credential, and the one most competitors cannot match, is the Washington State Department of Agriculture (WSDA) pest control license. American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies operating in this market. Among dozens of crawlspace contractors in the region, the vast majority perform rodent exclusion work without holding a pest control license at all. That means they are not legally or professionally authorized to trap, bait, or apply pest management methods under state oversight. The WSDA license is not a minor distinction — it determines the legal scope of what a company is permitted to do inside your home.

For homeowners dealing with rodents, this matters in a practical way. A company without a pest license can seal holes and pull contaminated insulation, but it cannot legally manage the full rodent population using licensed methods. You can read more about how this shapes the process on the rodent exclusion service page.

Every technician who enters your home is a trained, vetted, direct employee of American Crawlspace & Pest Services. There are no subcontractors. That structure is not coincidental — it is the only way the company can stand behind a lifetime guarantee with confidence, because every person on every job is accountable to the same standards.

Utility Certifications & Rebate Partner Credentials

American Crawlspace & Pest Services is a certified contractor with four utility partners that serve the Puget Sound region:

• Puget Sound Energy (PSE) — certified contractor with co-branded badge rights
• Snohomish County PUD — certified contractor with co-branded badge rights
• Tacoma Power — certified contractor
• Cascade Natural Gas — certified contractor
• PST Multifamily — certified partner for multifamily housing programs

The PSE relationship carries a preferred partner designation, which reflects volume, quality, and program compliance over time. Last year alone, American Crawlspace & Pest Services facilitated over $3 million in utility rebates for customers across its service area. No other crawlspace contractor in King County, Snohomish County, Pierce County, or Thurston County processes more utility rebates. That volume is not marketing language — it reflects how many homeowners have gone through the rebate process with this team and received money back on insulation and duct sealing upgrades.

If you're unsure which rebates you qualify for, or whether your home's insulation or duct work is eligible, the team can walk through the details with you at no cost. You can request a free consultation to discuss rebate eligibility before any work is scheduled.

What These Certifications and Awards Mean for Your Home

Credentials have practical consequences. PSE and PUD certification means homeowners in Seattle, Bellevue, Everett, Lynnwood, Kirkland, Renton, and throughout the service area can access utility rebates directly through American Crawlspace & Pest Services, without navigating the paperwork independently or finding a separate approved contractor. The rebate process is handled in coordination with the utility programs the company is already enrolled in.

WSDA licensing means rodent exclusion, trapping, baiting, and pest management are handled under one fully authorized roof. There is no gap between the exclusion work and the pest control work, and no liability exposure from unlicensed pest methods applied in your home.

Washington State licensed contractor status protects you from the financial and legal risks that come with uninsured or unlicensed work. If a problem surfaces after the job — whether it's insulation installation in an Auburn crawlspace or vapor barrier work in an Edmonds home — there is a licensed, accountable entity responsible for resolving it.

The insulation products used by American Crawlspace & Pest Services are formaldehyde-free and made from recycled glass and sand. That product choice aligns with the certifications and supports a healthy indoor environment, particularly relevant for homes where the crawlspace air can migrate upward into living spaces. Details on the insulation materials and process are on the insulation services page.

Recognition From Customers Across King, Snohomish, Pierce & Thurston Counties

The 4.9-star Google rating and aggregated 4.8 out of 5 rating across review platforms reflect work performed in homes throughout the entire service area — not a single neighborhood or a narrow slice of customers. Reviews come from homeowners in Sammamish, Bothell, Edmonds, Auburn, Marysville, Issaquah, Burien, Shoreline, and communities across King, Snohomish, Pierce, and Thurston Counties. The pattern across those reviews is consistent: crews arrived prepared, explained what they found, completed the work cleanly, and left the homeowner feeling informed rather than pressured.

That reputation was built through service quality, not marketing spend. American Crawlspace & Pest Services invests significantly in radio advertising across the region, but the reviews it receives are unsolicited and reflect actual customer experiences — not incentivized feedback.

[Needs your input: Any specific award names, years, or third-party recognition bodies — e.g., Angi Super Service Award, BBB accreditation, local business awards]

[Needs your input: Any trade association memberships — e.g., NPMA, BIA, NWCB, or similar industry organizations]

The Certifications Behind the Lifetime Guarantee

The lifetime rodent guarantee that American Crawlspace & Pest Services offers covers both materials and labor, with no fine print and no asterisks. That kind of guarantee is only possible when the company controls every variable: the licensing, the crew training, the product selection, and the ongoing monitoring. A subcontracted crew using unlicensed methods with off-brand materials cannot be guaranteed at that level. In-house crews, WSDA pest licensing, and certified insulation products make the guarantee real rather than rhetorical.

Ongoing monitoring is built into the program. Customers enrolled in pest monitoring service receive a 1-year monitoring period after exclusion work is complete, and an annual sump pump inspection is included with the lifetime warranty program. These are not upsells added at the end of the job — they are part of how the guarantee stays valid and how the company stays accountable long after installation day.

Pest control through this program is delivered without a locking contract. American Crawlspace & Pest Services uses Integrated Pest Management methods — addressing the entry points and population, not just applying a temporary treatment — and earns continued service through results rather than contract obligation. The WSDA certification is what legally authorizes this approach and distinguishes it from what most crawlspace companies in the region are permitted to offer.

The company is 100% locally and family owned. The people making decisions about how jobs are completed, how guarantees are honored, and how technicians are trained are the same people who live and work in Snohomish County, King County, and the surrounding communities. That ownership structure is part of what makes the credentialing meaningful: there are real people accountable for every outcome.

Properties and Spaces Our Certified Team Serves

The certifications American Crawlspace & Pest Services holds cover a range of property types and service scopes:

• Single-family homes, with a particular depth of experience in pre-1990 construction where original insulation is often insufficient or contaminated
• Multifamily housing and apartment buildings, covered under the PST Multifamily certified partner program
• Commercial properties requiring crawlspace, attic, or pest services at commercial scale
• Crawlspaces, subfloors, attics, HVAC ducts, and the full home envelope from moisture management through air sealing

[Needs your input: Confirm whether new construction moisture and insulation prep services are offered, so this listing can be completed accurately.]

Areas We Serve

American Crawlspace & Pest Services holds utility certifications with PSE, Snohomish PUD, Tacoma Power, and Cascade Natural Gas, which collectively cover the full geographic service area:

• King County: Seattle, Bellevue, Renton, Kent, Redmond, Kirkland, Shoreline, Burien, Sammamish, Auburn, Issaquah
• Snohomish County: Everett, Lynnwood, Bothell, Edmonds, Marysville
• Pierce County
• Thurston County
• Island County

If you're a homeowner in any of these areas and want to know which utility rebates apply to your home, the team can help you identify eligible upgrades before any work begins.

Related Services

• Rodent exclusion process and lifetime guarantee details
• Crawlspace and attic insulation services
• PSE and PUD rebate eligibility information
• Request a free inspection or rebate consultation

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Is American Crawlspace & Pest Services a licensed contractor in Washington State?

Yes. Washington State contractor license #AMERICC911J8 is active and verifiable through the Washington State Department of Labor and Industries. Licensed contractor status means the work performed in your home meets Washington State standards, and that you have legal recourse if something goes wrong. This applies whether the job involves crawlspace insulation removal, vapor barrier installation, or duct sealing across any part of the service area.

What does it mean that you're a PSE and Snohomish PUD certified contractor, and how does that help me get a rebate?

Certification with Puget Sound Energy and Snohomish County PUD means American Crawlspace & Pest Services is an approved contractor within each utility's rebate program. When the company performs qualifying work — such as insulation installation or duct sealing — it can submit rebate paperwork directly through its established relationship with the utility, rather than leaving homeowners to navigate the process alone. Last year, the company facilitated over $3 million in utility rebates for customers across King, Snohomish, Pierce, and Thurston Counties. You can request a free rebate consultation before scheduling any work.

Why does your WSDA pest control license matter compared to other crawlspace companies?

American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies in its market. Most crawlspace contractors in the region perform rodent exclusion work — sealing holes, removing contaminated insulation — without holding a Washington State Department of Agriculture pest control license. That means they are not legally authorized to trap, bait, or apply licensed pest management methods inside your home. The WSDA license allows this company to handle the entire rodent problem, from exclusion through population management, under one authorized and regulated roof. Details on what the full process includes are on the rodent exclusion page.

How does your certification support the lifetime warranty on insulation and rodent exclusion?

The lifetime rodent guarantee covers both materials and labor with no fine print. That level of commitment is only sustainable when the company controls every part of the job: WSDA pest licensing, in-house crews, certified insulation products, and ongoing monitoring. A company using subcontractors or unlicensed methods cannot make the same guarantee and honor it. The certifications and in-house structure are what allow American Crawlspace & Pest Services to stand behind the guarantee for as long as a customer remains enrolled in the pest monitoring program.

Are your technicians certified employees or subcontractors?

Every technician who enters your home is a trained, vetted, direct employee of American Crawlspace & Pest Services. The company uses no subcontractors. With roughly 53 employees and management averaging 8 or more years with the company, the team has the depth and continuity to perform consistent, accountable work on every job. This structure is the operational foundation that makes the lifetime guarantee possible — you cannot guarantee an outcome you cannot control.

Do your certifications cover commercial and multifamily properties, not just single-family homes?

Yes. American Crawlspace & Pest Services holds PST Multifamily certified partner status, which covers insulation and pest services for multifamily housing and apartment buildings. Commercial properties are also within the company's licensed scope for crawlspace, attic, and pest services. The utility certifications with PSE, Snohomish PUD, Tacoma Power, and Cascade Natural Gas apply across residential, multifamily, and commercial contexts where those programs allow.

Home › Services

Crawlspace, Attic, and Pest Services for Pacific Northwest Homes

What American Crawlspace & Pest Services Does

Cold floors in winter, scratching sounds at night, a heating bill that climbs every year — these aren't separate problems. In most Pacific Northwest homes, they trace back to the same place: the crawlspace or attic. Moisture gets in and stays. Rodents find a way through. Insulation thins, settles, or gets contaminated. What's hidden under or above your living space affects the air you breathe, the energy you pay for, and the structural health of your home.

American Crawlspace & Pest Services has been working on those hidden spaces since 1995. We've served nearly 25,000 homes across King, Snohomish, Pierce, and Thurston Counties, and our approach treats moisture, pests, and energy loss as connected problems — because they are. Every crew member is trained, vetted, and employed directly by us, which is the only way we can stand behind our lifetime guarantee with confidence. We're 100% locally and family owned, not backed by outside investors, and the people making decisions about your home are the same people who live and work in this community.

Have a concern about what's happening in your crawlspace or attic? Call American Crawlspace & Pest Services at [Needs your input: phone number] to schedule a free on-site inspection, or contact us to request an appointment online. The team serves homeowners throughout King, Snohomish, Pierce, and Thurston Counties, including Seattle, Bellevue, Everett, Renton, Kirkland, Bothell, Edmonds, Auburn, Issaquah, Marysville, and surrounding communities.

Services We Provide: A Full Overview

Below is every service we offer, organized so you can find what you need quickly. Each link takes you to a full description of the process, what's included, and what to expect.

Cleanup and Insulation

• Crawlspace Insulation Removal — Complete removal of damaged, contaminated, or rodent-compromised insulation from crawlspace floor joist cavities, including old vapor barrier, debris, and rodent dropping cleanup followed by enzyme sanitization.
• Subfloor Insulation Installation — Professional installation of formaldehyde-free fiberglass insulation batts (R-30 recommended) secured snugly into floor joist cavities to reduce heat loss and improve floor comfort year-round.
• Attic Insulation Installation — Blown-in attic insulation installed to proper depth (8–10 inches minimum) with even distribution and properly placed venting baffles to maintain airflow and reduce heating costs.
• Insulation Removal & Cleanup — High-power vacuum removal of old or contaminated attic and crawlspace insulation, including debris clearance and neutralizing enzyme treatment before any new material goes in.
• Crawlspace & Attic Cleanup — Thorough cleaning of crawlspace and attic spaces, including rodent dropping removal, sanitization, and deodorization to restore a safe baseline before additional work begins.

Pest Control and Rodent Services

• Rodent Exclusion & Removal — A four-step process: free inspection, hole sealing and trapping system installation, cleanup and sanitization of contaminated areas, and ongoing monitoring. New insulation installed after exclusion work carries a lifetime warranty against rodent damage while you remain on our monitoring program.
• Pest Control & Rodent Services — Full-service pest control through integrated pest management. We address the root cause through exclusion, trapping, and baiting — no long-term contracts required. American Crawlspace is one of fewer than two WSDA-licensed full-service pest control companies among dozens of competitors in our market.

Moisture Control and Drainage

• Vapor Barrier Installation — Installation of ground-level vapor barriers in crawlspaces to block moisture intrusion and protect insulation, wood framing, and mechanical systems from water damage.
• Sump Pumps & Crawl Drainage — Sump pump installation and crawlspace drainage systems for homes where water actively enters the space. Annual sump pump inspections are included with our lifetime warranty program.
• Crawlspace Moisture Control — An integrated look at all the moisture sources affecting your crawlspace — drainage, ground cover, venting, and vapor barriers — addressed together rather than one at a time.

HVAC Efficiency and Mold

• Duct Sealing & Insulation — Sealing and insulating heating ducts to reduce energy loss through the crawlspace or attic. This service qualifies for rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. We processed over $3 million in utility rebates for customers last year.
• HVAC Efficiency Services — Air sealing and duct work that reduces conditioned air loss, supports rebate applications, and addresses the mechanical side of energy waste in the home envelope.
• Mold Remediation — Professional mold removal and remediation in crawlspaces and attics to restore safe conditions. Mold often appears alongside moisture problems and contaminated insulation — we treat it as part of the same system.

Commercial Services

• Commercial Crawlspace Services — Crawlspace and attic insulation, pest control, and moisture management for commercial properties and multifamily housing.
• Commercial Property Services — Full-scope crawlspace and attic services for commercial accounts, including insulation, rodent exclusion, drainage, and ongoing pest monitoring for property managers and building owners.

Why These Services Work Better Together

Most contractors in this market treat crawlspace work as a single trade. A pest company seals holes and sets traps. An insulation crew pulls out old batts and installs new ones. A waterproofing company puts in a sump pump. Each does their part and leaves. The problem is that moisture, pests, and energy loss feed each other. Wet insulation loses R-value. Damaged vapor barriers invite rodents nesting on the ground. Unsealed ducts in a rodent-compromised crawlspace pull contaminated air into the living space.

Our crews are trained across all of these systems. We hold certifications with PSE and Snohomish County PUD for rebate-eligible insulation and duct work, and we're one of only two WSDA-licensed full-service pest control companies operating in this market. That combination — licensed pest control, insulation expertise, moisture management, and duct work — in a single company means you get a whole-home diagnosis rather than a series of disconnected single-trade visits.

The 8-plus-year average management tenure on our team matters here too. When your project lead has been doing this work for years, they've seen what goes wrong when steps get skipped. That experience shows in what gets checked, what gets documented, and what doesn't get left behind when the truck pulls away.

What to Expect When You Call

Every project starts with a free on-site inspection, no obligation. A technician comes to your home, goes under or into the space, and tells you exactly what they found — in plain language, not industry shorthand. If there's rodent activity, you'll see the evidence documented. If the insulation is damaged, they'll show you where and explain why it matters for your heating costs and air quality. If there's no problem, they'll tell you that too.

After the inspection, you'll get a clear written scope of work and a straight price. Our crews do every job in-house — we don't use subcontractors — so the team we describe is the team that shows up. Work areas are protected before any removal begins, and the space is left clean. When the job is done, someone walks you through what was done and why before leaving your property.

If your project qualifies for utility rebates through PSE, Snohomish County PUD, Tacoma Power, or Cascade Natural Gas, we handle the application process. We facilitated more than $3 million in rebates for customers last year, and our staff knows the program requirements in detail so nothing gets left on the table.

Related Services

• Crawlspace & Attic Insulation
• Pest Control & Rodent Services
• Crawlspace Moisture Control
• HVAC Efficiency Services
• Commercial Property Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

Do you charge for the initial inspection?

No. Every project starts with a free on-site inspection at no charge and no obligation to proceed. A trained technician visits your home, inspects the crawlspace or attic, documents what they find, and gives you a written scope of work and price before any work begins. You'll never be pressured to commit on the spot.

What does the lifetime warranty on rodent damage actually cover?

The lifetime warranty covers full replacement of both materials and labor if rodents damage any new insulation we install, as long as you remain enrolled in our ongoing monitoring program. There's no fine print limiting coverage to materials only or requiring you to pay for labor. The guarantee holds for as long as you're on pest service with us.

Which utility rebate programs do you work with?

We're registered and approved with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Our staff handles the rebate application process for you — we facilitated over $3 million in utility rebates for customers last year. If your project qualifies, we'll make sure the paperwork is submitted correctly so you receive the full rebate amount. You can learn more about qualifying work on our HVAC efficiency services page.

Do you use subcontractors?

No. Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. We don't send subcontractors. This matters because our lifetime guarantee on both materials and labor is only possible when we control the quality of every installation. Our management team averages more than 8 years with the company, and many crew members have been here 5 years or more.

Can you handle both rodent exclusion and insulation replacement in the same project?

Yes, and doing both together is usually the right approach. Installing new insulation before completing rodent exclusion means the new material is at immediate risk of contamination. Our process handles exclusion first — sealing entry points, setting traps, and sanitizing the space — then installs new insulation once the space is clear. That sequence is what makes the lifetime warranty against rodent damage possible. See the details on our rodent exclusion and removal page.

Home › Services › Commercial Property Services

Commercial Crawlspace & Attic Services for Property Managers and Building Owners

The Problems Commercial Properties Face Under the Roof and Below the Floor

Managing a commercial or multifamily property in the Pacific Northwest means carrying a lot at once: tenant comfort, regulatory compliance, asset protection, and a building envelope that the climate works against year-round. King County, Snohomish County, Pierce County, and Thurston County share one thing in common below the floor and above the ceiling: persistent moisture, mold pressure, and rodent activity that don't pause between inspection cycles.

When pest activity appears in one unit of a multifamily building, it rarely stays there. Rodents travel through shared crawlspace space. Moisture that goes unaddressed beneath a large building footprint spreads into subfloor framing and insulation across multiple units. Deferred crawlspace and attic maintenance compounds quickly at commercial scale, and the cost of addressing it grows with every season it's ignored.

Property managers also face a liability gap that's easy to miss: most crawlspace contractors in this region handle rodent exclusion without a full pest control license. That leaves a knowledge gap — and a paper trail gap — that can create real exposure for building owners. American Crawlspace & Pest Services is one of fewer than two WSDA-licensed full-service pest control companies among dozens of competitors operating in this market. That distinction matters when you need documentation, accountability, and work that holds up under scrutiny.

Ready to schedule a free inspection for your commercial property? Call American Crawlspace & Pest Services at [Needs your input: verified phone number] or contact us to request a no-obligation walkthrough. The team serves property managers and building owners across King County, Snohomish County, Pierce County, Thurston County, and Island County — with the crew depth, licensing, and warranty backing to handle projects at commercial scale.

When Commercial Properties Need These Services

• New property acquisition or pre-sale due diligence inspections where crawlspace and attic condition is unknown
• Tenant complaints about cold floors, drafts, musty odors, or nighttime scratching sounds in walls and ceilings
• Energy audits revealing underperforming or missing insulation across multiple units
• Rodent or pest activity documented in property inspection reports
• Moisture or mold discovered during routine maintenance or after a wet season
• PSE, Snohomish PUD, Tacoma Power, or Cascade Natural Gas rebate opportunities on the table for insulation or duct upgrades
• Annual building maintenance cycles and scheduled preventive service across a managed portfolio

What Our Commercial Property Services Include

Crawlspace & Attic Cleanup and Contamination Removal

Contaminated insulation doesn't become safer with time. The crawlspace and attic cleanup process includes complete removal of damaged or rodent-contaminated insulation, old vapor barriers, and debris using high-power vacuum equipment. Every affected area receives enzyme sanitization and deodorization — a step that matters especially in multifamily buildings where odor and air quality affect occupied units nearby.

Subfloor and Attic Insulation Installation

After cleanup, the crawlspace and attic insulation installation brings the building back to thermal performance. Subfloor cavities receive R30 fiberglass batts secured snugly to the subfloor; attic spaces receive blown-in insulation distributed to proper depth with venting baffles maintained for air circulation. All products are formaldehyde-free and made from recycled glass and sand — a specification that matters in occupied residential and commercial environments.

Rodent Exclusion and Licensed Pest Control

The 4-step rodent exclusion process covers inspection, hole sealing and exclusion, trapping system installation, and ongoing monitoring. As one of only two WSDA-licensed full-service pest control companies in this market, American Crawlspace & Pest Services can provide the documentation and licensed oversight that commercial property owners need. The lifetime rodent guarantee covers materials and labor, with no fine print, for as long as a property remains enrolled in the monitoring program.

Crawlspace Moisture Control and Drainage

Water beneath a commercial building is a structural and air quality problem. The crawlspace moisture control service includes vapor barrier installation, sump pump installation, crawlspace drainage system design, and annual sump pump inspection included with the lifetime warranty program. These systems are sized and specified for the footprint of commercial and multifamily structures, not adapted from residential templates.

Mold Remediation

When mold is found in a crawlspace or attic during inspection, it needs professional removal before new insulation or vapor barriers are installed. Mold remediation restores a safe, healthy building environment and is documented for property records — important for compliance and for protecting asset value during future sales or refinancing.

HVAC Duct Sealing and Insulation

Duct leakage across multi-unit HVAC systems is one of the most consistent sources of energy waste in commercial and multifamily buildings. HVAC efficiency services include duct sealing and insulation that can reduce energy loss meaningfully across shared systems. This work qualifies for rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas — utility partners with whom American Crawlspace holds co-branded badge rights.

Free Commercial Property Inspections

Every engagement starts with a free, no-obligation on-site inspection. Property managers receive clear documentation of what was found, where, and why it matters — not a sales pitch built on alarm. The goal is to make sure you understand the full picture before any work is scoped.

Our Commercial Service Process — Built for Property-Scale Projects

Commercial and multifamily work requires more than residential experience scaled up. It requires crew depth, scheduling coordination that protects tenants, and documentation that stands up to property management review. Here's how the process runs:

• Step 1 — Free On-Site Inspection: A trained technician assesses the full crawlspace and attic footprint, documents pest activity, takes moisture readings, evaluates insulation condition, and notes duct performance across all affected areas. Findings are recorded and shared with the property manager.
• Step 2 — Scoped Proposal: A written scope of work is delivered with no surprises. Rebate eligibility through PSE, Snohomish PUD, Tacoma Power, or Cascade Natural Gas is identified upfront. Financing options are available for qualified customers.
• Step 3 — Scheduled Crew Deployment: Every technician who enters the property is trained, vetted, and employed directly by American Crawlspace — no subcontractors. With approximately 53 employees and a management team averaging 8-plus years with the company, there's enough operational depth to handle multi-unit projects without disrupting tenant schedules.
• Step 4 — Systematic Work Execution: High-power vacuum equipment handles removal thoroughly. Work surfaces are protected. No mess is left behind. The same nothing-missed standard applied to single-family homes is applied across every unit in a commercial or multifamily structure.
• Step 5 — Sanitization and Documentation: Enzyme treatment and deodorization complete the cleanup phase. Photographic documentation is provided so property managers have a clear record of what was done, where, and when.
• Step 6 — Ongoing Monitoring and Warranty Activation: A 1-year monitoring period is included after rodent exclusion work. The lifetime rodent guarantee covering materials and labor is activated at this stage. Annual sump pump inspection is included where applicable.

Moisture intrusion, pest pressure, and energy loss are connected problems in a building envelope. Treating them separately — with separate contractors who don't coordinate — leaves gaps. The whole-building systems approach here means those problems are addressed together, with one accountable team and one warranty.

Why Commercial Property Owners Choose American Crawlspace & Pest Services

There are crawlspace contractors throughout King County, Snohomish County, Pierce County, and Thurston County. Here's what separates this company from the rest of the field in ways that matter on a commercial project:

• One of only two WSDA-licensed full-service pest control companies in this market. Most competitors handle exclusion work without a pest license — a gap that creates documentation and liability risk for property owners.
• Lifetime Rodent Guarantee covering materials and labor. No fine print. No asterisks. The guarantee holds as long as the property stays enrolled in the monitoring service.
• Region's leading rebate partner: over $3 million in utility rebates facilitated for customers last year through PSE, Snohomish PUD, Tacoma Power, and Cascade Natural Gas. Co-branded materials and badge rights with each utility partner.
• 100% locally and family owned. The people making decisions about your property live and work in communities like Lynnwood, Everett, Seattle, Bellevue, and Renton — not outside investors managing from a distance.
• 100% in-house crews. Every technician is trained and employed directly. That's the only way a lifetime guarantee can be backed with confidence.
• Long-tenured team with operational consistency: management averaging 8-plus years with the company, many crew members at 5-plus years. That continuity matters on multi-phase commercial projects where the team needs to know the property.
• Nearly 25,000 homes and properties served since 1995. A 4.9-star Google rating with hundreds of five-star reviews and a 4.8 out of 5 overall satisfaction rating across review platforms.
• No-contract pest control through Integrated Pest Management. Continued business is earned through results, not locked-in service agreements.
• Up to 20% or more in potential energy bill savings — a figure that scales meaningfully across multiple units in a commercial or multifamily building.
• Contractor License #AMERICC911J8. PSE and Snohomish County PUD certified technicians on staff.

Types of Commercial Properties We Service

The commercial services outlined here apply across a range of property types managed throughout the Puget Sound region. Explore all available service lines on the full services page.

• Multifamily housing including apartments, condominiums, and townhome complexes
• Commercial office buildings with crawlspace or attic access
• Retail and light industrial properties with subfloor insulation or pest control needs
• HOA-managed properties and planned residential communities
• Property management portfolios spanning King County, Snohomish County, Pierce County, Thurston County, and Island County
• Mixed-use buildings with both residential and commercial components

Related Services for Commercial Properties

Most commercial engagements draw on more than one service. Below are the service areas most commonly combined on commercial and multifamily projects:

• Crawlspace & Attic Cleanup — contamination removal, rodent dropping cleanup, enzyme sanitization
• Crawlspace & Attic Insulation — R30 subfloor batts and blown-in attic insulation using formaldehyde-free products
• Crawlspace Moisture Control — vapor barriers, sump pumps, crawlspace drainage systems
• HVAC Efficiency Services — duct sealing and insulation qualifying for PSE and PUD rebates

Related Services

• Crawlspace & Attic Cleanup
• Crawlspace & Attic Insulation
• Crawlspace Moisture Control
• HVAC Efficiency Services
• View All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

Do you have the pest control licensing required for commercial properties?

Yes. American Crawlspace & Pest Services holds a WSDA (Washington State Department of Agriculture) license for full-service pest control — making it one of fewer than two fully licensed pest control companies among dozens of crawlspace contractors operating in this market. Most competitors handle rodent exclusion work without this license, which can leave commercial property owners with documentation gaps and potential liability exposure. Full licensing means the work is conducted, recorded, and warranted at the standard required for commercial property management.

Can you handle multi-unit projects without disrupting tenants?

Yes. With approximately 53 employees and 100% in-house crews — no subcontractors — there's enough operational depth to schedule multi-unit projects in phases that protect occupied tenant spaces. Every technician on site is trained and employed directly by American Crawlspace, which means crew coordination and communication stay consistent throughout the project. Property managers receive photographic documentation and clear records of what was completed in each area.

Do commercial properties qualify for PSE, PUD, or other utility rebates on insulation work?

Many do. American Crawlspace & Pest Services is a registered and approved contractor with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas — and facilitated over $3 million in utility rebates for customers last year. Rebate eligibility for commercial and multifamily properties depends on building type, utility provider, and scope of work. Rebate eligibility is identified upfront during the scoped proposal stage so there are no missed opportunities. HVAC duct sealing and insulation work is among the most commonly qualifying service categories.

What does the lifetime rodent guarantee actually cover for a commercial property?

The lifetime rodent guarantee covers both materials and labor — full replacement of any insulation damaged by rodents after the work is completed, for as long as the property remains enrolled in the ongoing pest monitoring program. There is no fine print and no asterisks. A 1-year monitoring period is included after the initial rodent exclusion work, and the guarantee remains active through continued enrollment. This is among the strongest warranties offered in this service category in the Puget Sound region.

How is a commercial inspection different from a residential one?

The core inspection process — assessing crawlspace and attic conditions, moisture readings, insulation performance, pest activity, and duct condition — is the same. The scope is larger, the documentation more detailed, and the coordination more involved. For commercial and multifamily properties, the inspection report is structured to support property management records and, where applicable, rebate applications with utility partners. All commercial inspections are free and carry no obligation.

Home › Services › Crawlspace & Attic Cleanup

Professional Crawlspace & Attic Cleanup Services in the Puget Sound Region

What's Really Happening Under Your Home — And Why It Can't Wait

You might have noticed a smell coming through the floors. Maybe you heard scratching late at night, or a home inspector flagged the crawlspace during a sale and the report used words like "contaminated" or "compromised." Whatever brought you here, your concern is valid — and common in the Pacific Northwest.

What most homeowners don't realize is how quickly a crawlspace or attic deteriorates once rodents move in or moisture takes hold. Contaminated insulation acts as a reservoir for bacteria, mold spores, pest harborage, and persistent odors. Those contaminants don't stay put — they travel through floor gaps and HVAC systems into the air your family breathes every day. This is true in homes of every age, from older Craftsman bungalows in Seattle to newer construction in Sammamish or Issaquah.

American Crawlspace & Pest Services has been addressing exactly these situations across King, Snohomish, Pierce, and Thurston counties since 1995. We've served nearly 25,000 homes in the region and carry a 4.9-star Google rating built from hundreds of unprompted reviews. Cleanup is also the essential first step before any new crawlspace and attic insulation can be installed correctly — skipping it produces results that fail fast.

Call American Crawlspace & Pest Services at [Needs your input: phone number] to schedule your free on-site inspection, or contact us online to request a time. The team serves homeowners throughout King, Snohomish, Pierce, and Thurston counties — including Seattle, Bellevue, Everett, Kirkland, Renton, Edmonds, Bothell, Auburn, and communities across the Puget Sound region. No commitment required to get an honest assessment.

Signs Your Crawlspace or Attic Is Overdue for a Professional Cleanup

Not every crawlspace problem announces itself with obvious damage. Some of the most common indicators that a full cleanup is needed include:

• Rodent droppings, nesting materials, or evidence of dead animals found in the crawlspace or attic
• Musty, ammonia-like, or "animal" odors rising through your floors or coming out of vents
• Visibly damaged, sagging, wet, or discolored insulation batts
• Cold floors in winter or rooms that never quite reach the temperature on your thermostat
• A home inspector or real estate agent flagged the crawlspace or attic during a transaction
• A pest company treated a rodent infestation but the contaminated insulation was never removed

That last scenario happens more often than you'd think. Trapping and exclusion stop the infestation, but the droppings, urine, and nesting debris left behind in the insulation continue to cause odor, allergen exposure, and structural risk. Moisture damage compounds the problem further — if standing water or persistent humidity has been an issue, the insulation and substructure may need attention before new materials go in. Crawlspace moisture control is closely connected to cleanup and is often addressed in the same project.

What Our Crawlspace & Attic Cleanup Process Includes

Every crawlspace and attic cleanup follows a defined process — nothing is done out of order, and no step is treated as optional.

Step 1: Free On-Site Inspection

A trained technician assesses contamination levels in person, identifies pest entry points, evaluates moisture sources, and documents insulation condition. You receive an honest report of what was found and what it means. There's no charge and no obligation to proceed.

Step 2: Old Insulation Removal

Damaged, contaminated, or rodent-compromised insulation batts and blown-in material are completely extracted using specialized high-power vacuum equipment built specifically for crawlspace and attic environments. This is not a shop vac. The equipment removes material thoroughly from joist cavities and tight spaces that general equipment can't reach.

Step 3: Debris and Old Vapor Barrier Removal

All nesting material, droppings, debris, and degraded vapor barrier material are removed and properly bagged for disposal. The space is cleared down to the substrate — no contaminated material is left behind as a base for new work.

Step 4: Sanitization and Deodorization

Every exposed surface is treated with a neutralizing enzyme solution that breaks down odor-causing bacteria and pathogens at the molecular level. This is not a masking spray. The enzyme treatment eliminates the biological source of the odor rather than covering it temporarily.

Step 5: Visual Confirmation and Customer Walkthrough

Before any new materials are installed, the technician conducts a final walkthrough of the space and reviews findings with you directly. You'll know exactly what was there, what was done, and what the space looks like now. Every cleanup is performed by 100% in-house, trained employees — we don't subcontract this work — which is why we can stand behind the results with a lifetime guarantee.

The Equipment and Credentials Behind Our Cleanup Work

The quality of a crawlspace or attic cleanup depends heavily on the equipment and the licensing behind it. Here's what sets our process apart from general pest companies or insulation contractors who offer cleanup as a side service.

• Specialized high-power insulation vacuum system: purpose-built for attic and crawlspace material extraction, not repurposed general-purpose equipment
• Neutralizing enzyme treatment: professional-grade biological breakdown of contaminants, not aerosol disinfectants
• WSDA pest control license: American Crawlspace & Pest Services is one of fewer than two fully licensed pest control companies among dozens of competitors operating in this market — legally required for rodent-related cleanup to be done properly and under warranty
• PSE and Snohomish County PUD certified technicians: relevant when cleanup precedes an insulation upgrade that qualifies for utility rebates
• Contractor License #AMERICC911J8

The company is 100% family-owned and locally operated, with approximately 53 employees and management that has averaged more than eight years with the company. The people making decisions about your project are the same people who live and work in this region.

Benefits of Professional Crawlspace & Attic Cleanup Beyond the Obvious

The most immediate benefit homeowners notice after a thorough cleanup is the smell — or the absence of it. But the downstream effects of a properly completed crawlspace or attic cleanup go further than odor control.

Removing contaminated insulation eliminates the bacterial and allergen load that was filtering into your living air through floor gaps and return-air pathways. Pets and family members with respiratory sensitivities often notice the difference quickly. The subfloor surface, once cleaned and treated, also provides a correct base for new insulation — contaminated or wet substrates compromise the rated R-value of any new material installed on top of them. R30 subfloor insulation installed over a clean, dry surface performs the way it's supposed to.

Cleanup is also a prerequisite for other work. Vapor barrier installation and crawlspace moisture control require a clean substrate to adhere and seal properly. Similarly, HVAC efficiency work and duct sealing is most effective when the surrounding crawlspace environment is no longer contributing contamination to the duct system. Customers who complete the full sequence — cleanup, new insulation, moisture control, and duct sealing — regularly see energy bill reductions of 20% or more.

Perhaps the least quantifiable benefit is also the most commonly mentioned in customer feedback: knowing what's under your home, and knowing it's been addressed by people who do this every day.

Why American Crawlspace & Pest Services Is the Right Team for This Work

A lot of companies offer crawlspace cleanup. Fewer can back it up with what we can.

The Lifetime Rodent Guarantee covers materials and labor in full. If rodents damage newly installed insulation and you're enrolled in our ongoing monitoring service, we replace everything at no cost to you. There are no exceptions buried in fine print. That guarantee is only possible because every technician who enters your home is trained, vetted, and employed directly by us — no subcontractors, ever.

Our WSDA pest control license is one of only two held among the many crawlspace and insulation companies operating in this region. That license is what allows us to perform rodent-related cleanup in a way that's legally covered and warranty-backed. Companies without it are operating in a gap.

We also facilitate more utility rebates than any other contractor in this region, including partnerships with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Last year, we facilitated over $3 million in rebates for customers. Cleanup is step one of a whole-home upgrade path that may qualify you for significant rebate dollars on new insulation. Financing is also available for qualified customers.

For multi-unit buildings, mixed-use properties, or commercial facilities, our team also handles commercial property crawlspace and attic services with the same process and warranty structure. You can review the full range of what we offer on our services overview page.

Our 4.9-star Google rating and 4.8 out of 5 across review platforms didn't come from a marketing campaign — it came from jobs completed thoroughly and customers who were told the truth about what was under their homes.

Start With a Free Crawlspace or Attic Inspection

You don't need to know the extent of the problem before you call. That's exactly what the free inspection is for. A technician will walk through the crawlspace or attic, document what they find, and give you a straight answer about what needs to be done and why — with no pressure to commit to anything on the spot.

Financing options are available for qualified customers, and our team will walk you through any rebate opportunities that apply to your home. Whatever you decide, you'll leave the inspection knowing more than you did before.

Related Services

• Crawlspace & Attic Insulation
• Crawlspace Moisture Control
• HVAC Efficiency Services
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if my crawlspace or attic needs a full cleanup versus just new insulation?

If there's any evidence of rodent activity, visible contamination, persistent odors, or moisture damage, a full cleanup should come before new insulation — not instead of it. Installing new insulation over contaminated material traps the bacteria and odor underneath and compromises the performance of what goes in on top. During a free inspection, the technician will assess the actual condition of the space and tell you plainly what's needed. If the existing insulation is in acceptable condition and contamination is minimal, we'll say so.

Is the crawlspace or attic cleanup process safe for my family and pets during the work?

In most cases, family members and pets can remain in the home during cleanup. The high-power vacuum equipment is contained to the crawlspace or attic, and the enzyme treatment products used for sanitization are not aerosol-based. Your technician will let you know before the job begins if any specific precautions apply to your situation based on the level of contamination found. We'll never start work without making sure you understand what's happening and what to expect.

How long does a professional crawlspace or attic cleanup typically take?

Most residential crawlspace or attic cleanups are completed in a single day. The timeline depends on the size of the space, the volume of contaminated material, and whether the job includes additional work like vapor barrier removal or sanitization of a heavily affected area. During the free inspection, the technician will give you a realistic time estimate based on what they actually find — not a generic range. Larger homes or properties with significant contamination may require a second day.

Does crawlspace or attic cleanup qualify for utility rebates through PSE or Snohomish PUD?

Cleanup itself is not a rebate-eligible line item, but it's the required first step before new insulation installation that does qualify. American Crawlspace & Pest Services is a registered contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, and we facilitated over $3 million in rebates for customers last year. If your cleanup leads to a new insulation installation, our team handles the rebate paperwork and walks you through what your home qualifies for. You can learn more about the insulation work that follows cleanup on our crawlspace and attic insulation page.

What happens if rodents come back after you clean up and reinstall insulation?

If you're enrolled in our ongoing monitoring service, the Lifetime Rodent Guarantee covers both materials and labor in full. That means if rodents damage the new insulation we install, we replace it at no cost to you — no exceptions, no fine print. This guarantee is only possible because our exclusion work is performed by trained, in-house employees who follow a four-step process: inspection, exclusion and trapping, cleanup and sanitization, and ongoing monitoring. Rodent activity doesn't always stop after a single treatment, which is why the monitoring component exists.

Home › Services › Crawlspace & Attic Insulation

Crawlspace & Attic Insulation Services in the Puget Sound Region

Is Your Home Trying to Tell You Something? Signs Your Insulation Is Failing

Cold floors in winter are the most common complaint we hear from homeowners across King, Snohomish, and Pierce Counties — and they're almost always a sign that something is wrong beneath your feet or above your ceiling. If you're noticing any of the following, your insulation may be failing or gone entirely:

• Floors that feel noticeably cold even when the heat is running — especially common in homes built before 1990
• Heating and cooling bills that keep climbing without a clear explanation
• A musty or earthy odor drifting up from below the floor or down from the attic
• Scratching or scurrying sounds at night — rodents destroy insulation quickly and quietly, leaving behind droppings, urine, and nesting material that renders it useless
• Visible sagging, discoloration, or gaps in existing crawlspace or attic insulation

There's a particular anxiety that comes with not knowing what's happening in the spaces you can't see. Under your floors. Above your ceilings. You hear something. You smell something. You suspect something — but you don't know what, or how bad. That's exactly what a free inspection is for, and it's exactly where we start.

Get a free crawlspace or attic insulation inspection from American Crawlspace & Pest Services. We'll tell you exactly what we find — even if the answer is that you don't need anything yet. Financing options are available for qualified customers. Call us at (425) 440-4268 or request an inspection online. We serve homeowners throughout Lynnwood, Everett, Seattle, Bellevue, Kirkland, Renton, Kent, Auburn, Bothell, Edmonds, Issaquah, Shoreline, Burien, Sammamish, Marysville, and communities across King, Snohomish, Pierce, Thurston, and Island Counties.

When Crawlspace & Attic Insulation Should Be Replaced or Upgraded

Not every insulation project starts with a catastrophe. Some start with a utility bill that doesn't make sense, or a home inspection that flagged original 1970s fiberglass falling out of the floor joists. Here are the most common situations that point to replacement or upgrade:

• Insulation contaminated by rodent droppings, urine, or nesting material — contaminated insulation can't be cleaned; it has to go
• Water-damaged or mold-affected insulation that has absorbed moisture and lost its R-value
• Original insulation in pre-1990 homes that no longer meets current energy standards for the Pacific Northwest climate
• After any rodent exclusion work — new insulation should never go in over material that hasn't been fully cleaned and sanitized
• When utility bills suggest significant thermal loss — properly installed crawlspace and attic insulation can reduce heating and cooling costs by up to 20% or more

The cleanup phase matters as much as the installation. Before any new material goes in, we complete a full crawlspace and attic cleanup to remove contaminated insulation, clear debris, and treat surfaces with a neutralizing enzyme. Skipping that step is something we simply won't do.

What Our Crawlspace & Attic Insulation Services Include

Crawlspace Subfloor Insulation Installation

We install fiberglass insulation batts to an R-30 rating inside the floor joist cavities beneath your home. Each batt is cut to fit and secured snugly against the subfloor using twine or lathe — no gaps, no sag, no shortcuts. The products we use are formaldehyde-free and made from recycled glass and sand, which matters both for indoor air quality and for long-term performance in the damp Pacific Northwest climate.

Attic Blown-In Insulation Installation

For attics, we use blown-in insulation installed to a minimum depth of 8 to 10 inches, distributed evenly across the attic floor. Before installation, we place venting baffles at the eaves to preserve air circulation — a step that protects both your roof structure and the insulation itself from moisture buildup.

Old Insulation Removal First

We don't install new material over contaminated old material. Period. The full removal process — including high-power vacuum extraction, debris removal, and old vapor barrier removal — is covered in detail on our crawlspace and attic cleanup page.

Sanitization and Enzyme Treatment

After removal, we treat all crawlspace and attic surfaces with a neutralizing enzyme deodorizer. This eliminates biological residue from rodent activity or mold and eliminates odors at the source before new insulation goes in. It's a step many installers skip. We don't.

Vapor Barrier and Moisture Control Integration

Moisture is one of the fastest ways to destroy new insulation. If your crawlspace has standing water, condensation issues, or inadequate ground cover, those problems need to be addressed alongside insulation. Our crawlspace moisture control services cover vapor barrier installation, sump pump installation, and drainage solutions that protect your investment long-term.

Duct Sealing and HVAC Efficiency Add-On

If your ducts are leaking conditioned air into the crawlspace or attic, new insulation alone won't solve your energy bill problem. Our HVAC efficiency services include duct sealing and insulation that qualifies for PSE and PUD rebates — and pairs naturally with a full insulation project for homeowners who want whole-home energy performance.

Benefits of Crawlspace & Attic Insulation Done Right

The difference between correctly installed insulation and a quick patch job shows up immediately — and keeps showing up on your utility bill every month. Here's what properly installed crawlspace and attic insulation delivers:

• Warmer floors and more consistent indoor temperatures across every room, every season
• Up to 20% or more reduction in heating and cooling costs
• Lower moisture intrusion risk, protecting both your floor structure and the insulation itself over the long term
• Healthier indoor air — no rotting, contaminated, or mold-affected material off-gassing into your living space
• A lifetime warranty against rodent damage to new insulation, for customers enrolled in our ongoing monitoring program
• The simple peace of mind that comes from knowing exactly what's under your floors and above your ceilings — because we show you

Why Pacific Northwest Homeowners Choose American Crawlspace & Pest Services

Serving this region since 1995 means we've seen nearly every combination of old insulation, wet crawlspace, rodent damage, and deferred maintenance that Pacific Northwest homes can produce. We've worked in nearly 25,000 homes across King, Snohomish, Pierce, Thurston, and Island Counties — and the problems under a 1962 split-level in Kirkland look different from those under a 1988 rambler in Auburn. We know the difference.

Every technician who enters your home is trained, vetted, and employed directly by us. No subcontractors. That's not a policy we adopted to sound good — it's the only way we can stand behind a lifetime guarantee with any confidence. Our management team averages more than 8 years with the company, and many crew members have been here 5 years or more. With roughly 53 employees, we have the operational scale to handle large and complex projects without cutting corners to stay on schedule.

We're 100% locally and family owned. The people making decisions about how your job gets done live and work in this community. That's not something a private equity-backed national chain can say.

• 4.9-star Google rating with hundreds of unsolicited five-star reviews
• 4.8 out of 5 customer satisfaction rating based on reviews from around the web
• Contractor License #AMERICC911J8
• One of only two WSDA-licensed full-service pest control companies in our market — most crawlspace contractors do rodent exclusion without a pest control license

PSE and PUD Rebates: We Handle the Paperwork

Insulation upgrades can qualify for meaningful rebates through Puget Sound Energy, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas — and we are a registered, approved contractor with all four programs. Last year, we facilitated over $3 million in utility rebates for customers across the region. Nobody in the Pacific Northwest processes more utility rebates than we do.

Homeowners in Everett, Lynnwood, Bellevue, Seattle, Kent, Renton, Sammamish, Bothell, and surrounding communities may qualify depending on their utility provider and current insulation condition. We carry co-branded materials and badge rights with all four utility partners, and we manage the rebate paperwork from start to finish. You don't have to figure out which forms to file or which upgrades qualify — that's our job.

If you're unsure whether your home or your utility provider qualifies, ask during your free inspection. We'll tell you exactly what's available.

Our Insulation Process: From Inspection to Installation

Here's what the full process looks like, from the first call to the final walkthrough:

• Step 1 — Free on-site inspection: No obligation, no pressure. We go under the house or into the attic, document what we find, and show you. If you don't need anything yet, we'll tell you that too.
• Step 2 — Contaminated insulation removal: Using specialized high-power vacuum equipment, we extract old insulation, rodent debris, and any other material that needs to come out before new installation can begin.
• Step 3 — Sanitization and enzyme treatment: All crawlspace or attic surfaces are treated with a neutralizing enzyme deodorizer to eliminate biological residue and odor.
• Step 4 — New insulation installation: Subfloor fiberglass batts at R-30, or blown-in attic insulation to the depth required for Pacific Northwest climate performance — installed evenly, with proper venting maintained.
• Step 5 — Optional rodent exclusion integration: If rodents caused the damage, we can integrate our exclusion and trapping program at the same time. Customers enrolled in ongoing monitoring receive a lifetime warranty against rodent damage to new insulation — materials and labor both covered, no fine print.
• Step 6 — Final walkthrough: Before we leave, we walk you through exactly what was done and why. No mess left behind. No mystery.

If you'd like to understand the cleanup and removal phase in more detail before committing to a full project, our crawlspace and attic cleanup page covers that process step by step.

Residential and Commercial Properties We Serve

The majority of our insulation work is in single-family homes across King, Snohomish, Pierce, Thurston, and Island Counties — particularly homes built before 1990 with original or deteriorated insulation that no longer performs. But we also work in multifamily housing, apartment buildings, and commercial properties throughout the region.

For commercial building owners, property managers, and multifamily operators, our commercial property services cover the full scope of crawlspace and attic work at scale. We're equipped to handle larger buildings, tenant-occupied units, and projects that require coordination with property management teams.

Properties with active or past rodent activity are a particular specialty. Rodent damage, exclusion work, and insulation replacement are connected problems — and we're one of the few contractors in the region with the pest control licensing to handle all three under one roof.

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace Moisture Control
• HVAC Efficiency Services
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if my crawlspace or attic insulation needs to be replaced?

The clearest signs are cold floors in winter, rising heating costs with no obvious explanation, visible sagging or discoloration in existing insulation, and any history of rodent activity or water intrusion. Insulation that has been contaminated by rodent droppings or urine, or that has absorbed moisture and compressed, cannot be cleaned or restored — it has to be removed and replaced. A free on-site inspection is the fastest way to know for certain, because conditions vary significantly from one home to the next. We document what we find and show you before recommending any work.

What R-value insulation do you install in crawlspaces and attics?

For crawlspace subfloor installations, we recommend and install R-30 fiberglass batts, which meet current energy standards for the Pacific Northwest climate. For attics, we install blown-in insulation to a minimum depth of 8 to 10 inches, which achieves the R-value appropriate for this region's heating and cooling demands. The right depth and product depend on your existing conditions, and we assess that during the inspection. Both products we use are formaldehyde-free and made from recycled materials.

Do you qualify for PSE and PUD rebates for insulation work?

Yes. American Crawlspace & Pest Services is a registered, approved contractor with Puget Sound Energy, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. We facilitated over $3 million in utility rebates for customers last year and manage all rebate paperwork on your behalf. Whether you're in Everett, Lynnwood, Seattle, Bellevue, or elsewhere in the service area, eligibility depends on your utility provider and current insulation condition — something we can clarify during your free inspection. You can also explore our full range of energy services on our HVAC efficiency services page.

What is the lifetime warranty on new insulation, and what does it cover?

Customers who enroll in our ongoing rodent monitoring program receive a lifetime warranty against rodent damage to new insulation — covering both materials and labor, for as long as they remain on pest service. There are no fine-print exclusions or asterisks. This warranty is possible because we use 100% in-house crews, which means we control the quality of every installation and can stand behind the work with confidence. It's one of the reasons homeowners across the region choose us over contractors who only offer insulation without pest control licensing.

Do you remove old insulation before installing new material?

Yes, always. We don't install new insulation over contaminated or damaged material. The removal process uses specialized high-power vacuum equipment to extract old insulation, rodent debris, old vapor barriers, and any other material that needs to come out. After removal, we treat the space with a neutralizing enzyme to eliminate biological residue and odors before new insulation goes in. The full details of that process are covered on our crawlspace and attic cleanup page.

Home › Services › Crawlspace Moisture Control

Crawlspace Moisture Control for Pacific Northwest Homes

What a Wet Crawlspace Is Really Costing You

That faint mildew smell when you open the floor register. The clammy cold radiating through hardwood floors on a January morning. The worry that sits in the back of your mind about what exactly is happening in that dark, unseen space under your house. These are real concerns, and they're worth taking seriously.

Crawlspace moisture problems don't stay in the crawlspace. Ground moisture seeps upward, saturating insulation, feeding mold growth, softening floor joists, and driving your heating costs higher as the thermal barrier under your feet loses its effectiveness. In the Pacific Northwest, where clay-heavy soils hold water and seasonal rainfall runs from October through May, this is one of the most common home health problems we see.

Moisture also changes who else moves in. Wet, undisturbed crawlspaces are exactly what rodents and insects look for. Damaged insulation becomes nesting material, and the problem compounds quickly. That connection between water intrusion and pest activity is why our crawlspace and attic insulation services and our crawlspace cleanup process are built to work together rather than in isolation.

Since 1995, American Crawlspace & Pest Services has inspected and treated crawlspaces in nearly 25,000 Pacific Northwest homes. We know this region's rain patterns, its clay and glacial-till soils, and the drainage challenges specific to older construction throughout King, Snohomish, and Pierce Counties. Moisture is a solvable problem. Here's what solving it actually looks like.

Have a moisture concern under your home? Call American Crawlspace & Pest Services at (425) 200-8809 to schedule a free, no-obligation inspection, or contact us online to request your assessment. The team serves homeowners throughout King, Snohomish, Pierce, and Thurston Counties.

Signs Your Crawlspace Needs Moisture Control

• Standing water or persistently wet soil visible in the crawlspace
• Musty or earthy odors drifting up through floors or into living spaces
• Sagging, discolored, or visibly moldy insulation on the subfloor
• Discoloration, soft spots, or rot on floor joists and beams
• Heating and cooling bills that seem higher than they should be — a dry, properly insulated crawlspace can reduce energy costs by 20% or more
• Increased rodent or insect activity, particularly in fall and winter months
• Buckled hardwood floors or condensation on first-floor windows during cold weather

You don't need to be certain something is wrong before calling. Our on-site inspections are free and carry no obligation. If the crawlspace is fine, we'll tell you that plainly.

What Our Crawlspace Moisture Control Services Include

Free On-Site Inspection

A trained technician visits the property, enters the crawlspace, and documents everything: moisture sources, drainage conditions, the current state of any existing vapor barrier, signs of mold or wood rot, and any pest evidence. You receive a clear picture of what's happening before any conversation about work begins. No pressure, no upsell, just honest findings.

Vapor Barrier Installation

A vapor barrier is a heavy-duty plastic sheeting laid across the crawlspace floor. Its job is straightforward: it blocks ground moisture from evaporating upward into the crawlspace air. Without one, or with an old, torn, or inadequate one, ground moisture moves freely into the space above it, saturating insulation and wood over time. Installing a proper vapor barrier is often the single most effective step in stopping ongoing moisture damage.

Sump Pump Installation and Crawlspace Drainage

When a crawlspace has active water intrusion from surface runoff, a high water table, or grading issues, a vapor barrier alone isn't enough. We install interior drainage systems and sump pumps sized for the space to move water out before it can accumulate. Annual sump pump inspection is included as part of our lifetime warranty program, so the system stays working long after installation.

Mold Remediation

If moisture has been present long enough for biological growth to take hold, remediation comes before any new materials go in. Professional mold removal and sanitization restore a safe, clean environment. This step is also part of our broader crawlspace and attic cleanup service, which covers contaminated insulation removal, debris removal, and enzyme treatment of affected surfaces.

Duct Sealing and Insulation

Moisture-related energy loss often involves more than just the insulation. Leaky heating ducts running through a wet crawlspace lose conditioned air into unconditioned space, compounding both energy waste and humidity levels. Our HVAC efficiency services address duct sealing and insulation as a connected part of the moisture control picture, and qualifying work may be eligible for PSE and PUD rebates.

Insulation Replacement After Moisture Damage

Once the moisture source is controlled and the space is clean and dry, any damaged insulation needs to come out and be replaced. We install R30 fiberglass batts in subfloor joist cavities, secured snugly and installed using formaldehyde-free products made from recycled glass and sand. Details about the full scope of replacement work are covered on our crawlspace and attic insulation page.

Moisture, pests, and energy loss are connected problems. Treating only one while ignoring the others leaves the door open for the same issues to return. Our process addresses all three together.

Our Crawlspace Moisture Control Process, Step by Step

Step 1 — Inspect: A technician conducts a free on-site evaluation, identifying water entry points, grading problems, failed or missing vapor barriers, and whether a sump pump or interior drainage system is warranted. Everything is documented so you understand the full scope before work begins.

Step 2 — Remove and Clean: Contaminated insulation, old or failed vapor barrier material, and debris are extracted using high-power vacuum equipment. Affected surfaces are treated with a neutralizing enzyme to eliminate odors and biological material left behind by mold or pests.

Step 3 — Seal and Protect: A new vapor barrier is installed across the crawlspace floor. Penetrations are sealed, venting is assessed, and a sump pump or drainage system is installed where active water intrusion requires it.

Step 4 — Restore: New R30 fiberglass insulation batts are installed in subfloor joist cavities, properly secured and fitted. HVAC ducts are sealed where applicable, improving both energy efficiency and moisture management in the space.

Step 5 — Monitor and Warranty: Enrollment in ongoing monitoring activates the lifetime warranty on new insulation against rodent damage. Annual sump pump inspections are included. You're not left to wonder whether the fix held.

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. We use 100% in-house crews because that's the only way we can stand behind a lifetime guarantee with confidence.

Benefits of Professional Crawlspace Moisture Control

The practical results of a dry, properly protected crawlspace show up in measurable ways. Floors in Sammamish, Kirkland, Bothell, and throughout the region's colder months become noticeably warmer. Heating and cooling costs drop, often by 20% or more, as insulation performs the way it was designed to. Musty odors that had worked their way into the living spaces disappear.

Structurally, stopping moisture early prevents the kind of wood rot that turns a manageable repair into a major expense. A dry crawlspace is also far less attractive to rodents and insects, reducing the likelihood of infestation.

For qualifying insulation and duct work, PSE and Snohomish County PUD rebates are available. American Crawlspace & Pest Services is a registered and approved contractor with both programs. Last year alone, we facilitated over $3 million in utility rebates for customers across the region. Financing options are also available for qualified homeowners.

Behind all of it is the peace of mind that comes from a lifetime warranty and ongoing monitoring, backed by a team that has been doing this work in the Pacific Northwest since 1995.

Why Homeowners Across King, Snohomish, and Pierce Counties Choose American Crawlspace

American Crawlspace & Pest Services has been serving Pacific Northwest homes since 1995, with nearly 25,000 homes treated across the region. The company is 100% locally and family owned — not backed by private equity — which means the people making decisions about how your home is treated are the same people who live and work in this community.

We are one of only two WSDA-licensed full-service pest control companies operating in our market. Most crawlspace contractors perform rodent exclusion work without holding a pest control license. That distinction matters when moisture damage and pest activity are intertwined problems in the same crawlspace.

Our Lifetime Rodent Guarantee covers full replacement of both materials and labor with no fine print, for as long as you're enrolled in pest service. Our management team averages more than eight years with the company, and many crew members have been here five years or longer. With approximately 53 employees, we have the operational depth to schedule, staff, and complete projects reliably.

Customer satisfaction comes in at 4.8 out of 5 based on reviews across the web, with a 4.9-star Google rating backed by hundreds of five-star reviews. Contractor License #AMERICC911J8. PSE and PUD certified technicians on staff. Commercial and multifamily properties are also served — see our commercial property services for details about larger-scale moisture control work.

Property Types We Address With Crawlspace Moisture Solutions

Pre-1990 construction makes up a significant portion of the housing stock in Seattle, Renton, Burien, and Auburn. Homes of that era frequently have original vapor barriers that have degraded, torn, or were never installed adequately to begin with. These are among the most common properties we treat.

Older homes in Edmonds, Shoreline, and Marysville often face the same challenge. Homes built on hillsides or in areas with elevated water tables, common in Issaquah and the Bellevue foothills, can see seasonal water intrusion even without obvious drainage failures.

Multifamily buildings and commercial properties have their own moisture control needs at a larger scale. Our commercial property services are designed for those situations, covering crawlspace moisture management for apartment complexes, mixed-use buildings, and other facilities throughout the region.

Homes recently affected by flooding, heavy seasonal rainfall, or foundation drainage problems are also candidates for inspection, regardless of the age or type of construction.

Get a Free Crawlspace Moisture Inspection With No Obligation

You can schedule a free on-site inspection at any time. A technician will assess the crawlspace, document what's there, and explain the findings in plain language before any work is proposed. No pressure, no obligation. If everything looks fine, we'll say so. If there's a problem, you'll understand exactly what it is and why it matters before deciding on next steps.

Call American Crawlspace & Pest Services at (425) 200-8809 to schedule your free inspection, or request a quote online. The team serves homeowners throughout King, Snohomish, Pierce, and Thurston Counties.

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace and Attic Insulation
• HVAC Efficiency Services
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if my crawlspace has a moisture problem?

The clearest signs are musty odors rising into the living space, cold or uneven floors, visible condensation on windows near the floor, and higher-than-expected heating bills. Inside the crawlspace itself, look for wet soil, standing water, discolored or sagging insulation, and dark staining on floor joists. You don't need to go in yourself — a free on-site inspection will document everything and give you a clear answer.

What is a vapor barrier and do I really need one?

Yes, in most Pacific Northwest crawlspaces, a vapor barrier is essential. It's a heavy-duty plastic sheet laid directly on the crawlspace floor to stop ground moisture from evaporating upward into the space where your insulation and floor joists live. Without one, or with a damaged older one, that moisture works its way into insulation, wood framing, and eventually your living space. Homes throughout the region — especially those built before 1990 — frequently have original barriers that have degraded or were never installed adequately to begin with.

Will fixing my crawlspace moisture actually lower my energy bills?

In most cases, yes. When insulation is wet, it loses a significant portion of its thermal effectiveness, meaning your heating system works harder to compensate. A dry crawlspace with properly installed insulation can reduce heating and cooling costs by 20% or more. If duct sealing is also part of the project, qualifying work may be eligible for PSE and Snohomish County PUD rebates — American Crawlspace & Pest Services facilitated over $3 million in utility rebates for customers last year, and can help you understand what your project may qualify for. You can learn more about qualifying work on our HVAC efficiency services page.

How long does crawlspace moisture control work take?

[Needs your input: typical project duration for vapor barrier installation, sump pump installation, and full remediation jobs — please provide average timeframes so this answer reflects real project scheduling.]

Home › Services › HVAC Efficiency Services

HVAC Efficiency Services — Duct Sealing & Insulation for Pacific Northwest Homes

Is Your Heating System Working Harder Than It Should?

You set the thermostat, the furnace kicks on, and the system runs and runs — yet some rooms stay cold, floors above the crawlspace never warm up, and the utility bill keeps climbing. It's frustrating, and it's more common than you'd think across King County, Snohomish County, Pierce County, and Thurston County, where wet Pacific Northwest winters mean your heating system can't afford to waste a single BTU.

What most homeowners don't realize is that the problem often has nothing to do with the furnace itself. Heating ducts develop gaps, loose joints, and small leaks over years of use. Conditioned air escapes into the crawlspace or attic before it ever reaches your living spaces. Your system works harder, your comfort suffers, and the energy you're paying for disappears into unconditioned space.

The encouraging news: duct leakage is a solvable problem, and the work often qualifies for utility rebates through PSE and Snohomish County PUD, which means a portion of the cost comes back to you.

Call American Crawlspace & Pest Services at [Needs your input: verified phone number] to schedule your free HVAC efficiency inspection, or request an appointment online. The team serves homeowners throughout King County, Snohomish County, Pierce County, Thurston County, and Island County.

What Our HVAC Efficiency Services Include

Duct Sealing

Over time, the joints, connections, and seams in your duct system can come loose or develop gaps. When that happens, conditioned air leaks out before it reaches the rooms you're trying to heat or cool. Our technicians locate those problem areas and seal them so the air your furnace produces actually arrives where you need it.

Duct Insulation

Ducts that run through a cold crawlspace or attic lose heat simply by passing through unconditioned space. Wrapping and insulating those ducts keeps heat in transit rather than radiating it into areas you're not trying to warm. This work pairs directly with proper crawlspace and attic insulation to form a complete thermal envelope for your home.

Free On-Site Inspection

Every project starts with a no-cost, no-obligation visit from one of our technicians. They assess duct condition, check insulation levels, and identify where air is escaping. You get a clear written assessment in plain language — what we found, what it means, and what your options are — before any work begins.

Whole-Home Systems Thinking

Ducts don't operate in isolation. Moisture in the crawlspace accelerates duct deterioration and insulation breakdown. Rodent activity creates gaps and contamination that compromise both duct performance and air quality. That's why our technicians look at the full picture: duct condition, insulation levels, and crawlspace environment together. If moisture is contributing to the problem, our crawlspace moisture control services address it at the source. If contaminated insulation is part of the story, crawlspace and attic cleanup is the right first step. Connected problems need connected answers.

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services — no subcontractors. Our crews are PSE and Snohomish County PUD certified, which is required to perform rebate-eligible work under those programs.

Utility Rebates for HVAC Efficiency Work — We Handle the Hard Part

American Crawlspace & Pest Services is the region's leading rebate partner for utility efficiency programs. We work directly with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas — and we facilitated over $3 million in utility rebates for customers last year alone. No other crawlspace and insulation contractor in this area processes more rebate volume than we do.

Duct sealing and duct insulation qualify for rebates through both the PSE and Snohomish County PUD programs. We are a registered and approved contractor for both. That approval isn't automatic — it requires certified technicians, documented installation standards, and an ongoing relationship with the utility. We have all of that in place.

What that means for you: we identify which upgrades qualify, prepare the documentation, and manage the rebate paperwork on your behalf. You don't need to figure out which program applies, fill out forms, or wonder whether the work qualifies. We've been through this process thousands of times. Our co-branded materials and badge rights with utility partners reflect the depth of those relationships.

Financing is also available for qualified customers, so if the full scope of work is more than you want to pay upfront, there are options worth discussing.

Signs Your Home May Need HVAC Efficiency Services

Any one of these is worth a closer look. Several together suggest duct efficiency is likely a factor in your comfort and energy costs.

• Rooms that never reach the temperature you've set — particularly floors above a crawlspace
• A heating or cooling system that runs almost constantly without delivering consistent comfort
• Utility bills that have increased without a clear explanation
• Drafts or noticeable temperature differences from one room to the next
• A home built before 1990, when duct systems were not designed to current efficiency standards
• Recent rodent activity in the crawlspace — rodents chew through duct insulation and create gaps that compromise both efficiency and air quality; if that's part of your situation, our crawlspace and attic cleanup process addresses contamination before new insulation goes in

Benefits of HVAC Efficiency Services for Your Home

When ducts are sealed and properly insulated, the difference is tangible — not just on your utility bill, but in the everyday feel of your home.

• Energy bills reduced by up to 20% or more when duct leakage is addressed alongside insulation improvements
• More consistent temperatures throughout the house — the cold spots above the crawlspace become a memory
• Less wear on your heating and cooling equipment, because it's no longer compensating for air loss
• Healthier indoor air, because sealed ducts reduce the chance of drawing in air from a crawlspace that may harbor dust, mold spores, or rodent debris
• Rebate dollars returned from your utility provider, reducing the net cost of the upgrade
• Confidence that the work was done as part of a whole-home assessment, not a quick patch on one symptom

Our HVAC Efficiency Process — Step by Step

We follow the same disciplined sequence on every job, because cutting steps creates problems that show up later.

Step 1: Free on-site inspection. A technician visits your home at no cost and no obligation. They assess duct condition, insulation levels, and the crawlspace or attic environment to build a full picture of where efficiency is being lost.

Step 2: Written assessment. Before any work begins, you receive a clear explanation of what the technician found, what it means for your home's performance, and which upgrades qualify for utility rebates. Plain language — no jargon.

Step 3: Duct sealing. Gaps, loose joints, and leaks in the duct system are sealed to stop conditioned air from escaping into unconditioned crawlspace or attic space.

Step 4: Duct insulation. Ducts running through cold spaces are wrapped and insulated so heat stays in transit rather than radiating out before it reaches your living areas.

Step 5: Final walkthrough. Before our crew leaves, they walk you through everything that was done and why. We don't consider the job complete until you understand exactly what changed in your home and what to expect going forward. Surfaces are protected throughout the work and the site is left clean.

Why Homeowners in Puget Sound Choose American Crawlspace & Pest Services

Serving the Pacific Northwest since 1995, American Crawlspace & Pest Services has completed work in nearly 25,000 homes across King County, Snohomish County, Pierce County, and Thurston County. That track record is reflected in a 4.9-star Google rating built from hundreds of five-star reviews — earned through the quality of the work, not through marketing spend.

The company is 100% locally and family owned. The people making decisions about how your home is treated are the same people who live and work in this community. That's a different accountability than a private equity-backed operation managed from outside the region.

Operational scale matters too. With approximately 53 employees, management averaging 8 or more years with the company, and crew members who have been here five years or longer, you're working with a team that has institutional knowledge and stability — not a rotating cast of new hires. Every technician is employed directly by American Crawlspace & Pest Services. Contractor License #AMERICC911J8.

For a full picture of what we do, see our complete list of services.

Related Services That Work Alongside HVAC Efficiency

• Crawlspace & Attic Insulation — replacing or upgrading insulation in floor joists and attic space works hand in hand with duct sealing to reduce overall heat loss
• Crawlspace & Attic Cleanup — if rodents or moisture have damaged existing insulation, cleanup and sanitization come first so new materials go into a clean environment
• Crawlspace Moisture Control — moisture accelerates duct and insulation deterioration; vapor barriers, drainage, and sump pump systems protect the gains made by HVAC efficiency work
• Commercial Property Services — duct sealing, insulation, and crawlspace efficiency work for multifamily housing and commercial buildings, with the same utility rebate programs available where applicable

Schedule Your Free HVAC Efficiency Inspection

A free, no-obligation on-site inspection is the right place to start. A technician will assess your duct system, identify where efficiency is being lost, and explain what rebate programs you may qualify for — all in plain language, with no pressure and no surprises.

American Crawlspace & Pest Services has served the Pacific Northwest since 1995. Honest answers from an experienced local team are what you'll get. Financing is available for qualified customers if the scope of work warrants it.

Related Services

• Crawlspace & Attic Insulation
• Crawlspace & Attic Cleanup
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

Does duct sealing qualify for a utility rebate through PSE or Snohomish County PUD?

Yes — duct sealing and duct insulation are rebate-eligible upgrades under both the PSE and Snohomish County PUD programs. American Crawlspace & Pest Services is a registered, approved contractor under both programs, and our technicians are certified to perform the work in a way that meets each utility's documentation requirements. We facilitated over $3 million in utility rebates for customers last year, and we manage the rebate paperwork on your behalf so you don't have to navigate the process alone.

How do I know if my ducts are leaking — what are the warning signs?

The most common signs are rooms that stay cold even when the heat runs for a long time, a heating or cooling system that seems to run constantly without achieving the set temperature, and utility bills that have risen without an obvious cause. Temperature inconsistencies from room to room — especially cold floors above a crawlspace — are also a reliable indicator. A free on-site inspection is the most accurate way to confirm whether duct leakage is contributing to what you're experiencing; our technician will assess the system and explain what they find in plain language.

Will duct sealing and insulation really lower my energy bills, and by how much?

Yes, and the results are meaningful. Homes that address duct leakage alongside insulation improvements can see energy bill reductions of up to 20% or more. The actual savings depend on how much leakage exists in your current system and what condition the surrounding insulation is in — which is why the inspection matters before projecting any number. In homes with older duct systems, particularly those built before 1990, the gaps tend to be significant, and the efficiency gains from sealing and insulating reflect that.

How long does the duct sealing process take, and do I need to leave my home?

[Needs your input: verified typical project duration and whether occupants need to vacate during duct sealing work.] What we can confirm is that work is performed by 100% in-house crews — every technician trained, vetted, and employed directly by American Crawlspace & Pest Services. Surfaces are protected throughout, and we leave the site clean. Before we leave, a technician walks you through exactly what was done and why, so you're fully informed at every stage.

Can rodents damage my heating ducts — and does insulation replacement fix the problem?

Yes — rodents commonly chew through duct insulation, create gaps at duct joints, and nest in or around duct runs, all of which reduce heating efficiency and can pull air from a contaminated crawlspace into your living spaces. Replacing insulation alone doesn't resolve the problem if rodents still have access to the crawlspace. The right sequence is to seal entry points, address any active infestation, clean and sanitize the contaminated area, and then replace insulation and reseal ducts. You can read more about how that process works on our crawlspace and attic cleanup page.

Home › Services › Insulation Removal & Cleanup

Insulation Removal & Cleanup for Crawlspaces and Attics

When Your Insulation Has Done More Harm Than Good

Cold floors that never seem to warm up. A heating bill that keeps climbing no matter what you adjust on the thermostat. That quiet, unsettling feeling that something has been living under your house — because it has. These are the kinds of concerns that bring homeowners across King, Snohomish, Pierce, and Thurston counties to call us, and they are completely understandable.

The most common triggers for insulation removal are rodent infestation, moisture damage, mold growth, age-related breakdown, and persistent foul or ammonia-like odors. Any one of those problems turns insulation from a benefit into a liability. Together, they create a situation where leaving the old material in place actually makes things worse.

A large share of homes built before 1990 across the Pacific Northwest still have their original insulation. That material was never meant to last indefinitely, and it certainly was not designed to survive decades of Pacific Northwest moisture, pest pressure, and temperature swings. Before new insulation can do its job, the old contaminated material must come out completely and correctly. There are no shortcuts that produce a lasting result.

If you are dealing with contaminated insulation, rodent damage, or simply do not know what is under your house, a free inspection is the right starting point. A technician will assess the full scope, tell you honestly what they find, and give you a clear picture of what the work involves — even if the answer is less than you expected to hear. Call American Crawlspace & Pest Services at (425) 257-0000 to schedule your free inspection, or submit a request online and the team will follow up promptly. Financing is available for qualified customers. American Crawl, The Team To Call.

Signs You May Need Insulation Removal & Cleanup

• Rodent droppings, nesting material, or chew damage discovered in your crawlspace or attic
• Scratching or scurrying sounds at night, especially near the floor or ceiling
• A persistent musty or ammonia-like odor coming through your floors or HVAC vents
• Insulation batts that are visibly compressed, sagging, or have fallen out of the floor joists entirely
• A history of flooding or ongoing moisture problems — conditions covered in detail on our crawlspace moisture control service page
• An unexplained spike in your heating or cooling costs with no obvious mechanical cause
• A home inspection report that flagged contaminated, insufficient, or damaged insulation

You do not need to be certain before calling. A free on-site inspection is the right first step, and it costs you nothing to find out what is actually going on under your home.

What Our Insulation Removal & Cleanup Process Includes

Every job follows the same structured process. Nothing is skipped because a step seems minor or the space looks relatively clean on first glance.

Step 1: Free On-Site Inspection

A technician assesses the full scope of the crawlspace or attic before any work begins. You will know what was found, what condition the insulation and structure are in, and exactly what removal would involve. No obligation, no pressure.

Step 2: Contaminated Insulation Removal

All damaged fiberglass batts or blown-in material are extracted from the floor joist cavities or attic space. This is not a partial pull — if the material is compromised, it comes out.

Step 3: Old Vapor Barrier Removal

Deteriorated or rodent-compromised ground cover in the crawlspace is pulled, bagged, and removed from the property along with the insulation.

Step 4: Rodent Dropping and Debris Cleanup

This is where thoroughness matters most. Using specialized high-power insulation vacuum equipment — not a standard shop vac — the crew removes droppings, nesting debris, and biological material from floor joists, beams, and ground surfaces. This equipment is one of the reasons our cleanups are genuinely complete rather than surface-level.

Step 5: Sanitization and Deodorization

A neutralizing enzyme treatment is applied to every affected surface. This eliminates pathogens, neutralizes odors, and breaks down biological residue that vacuuming alone cannot address. Skipping this step leaves the conditions that attract new pests — so we do not skip it.

Step 6: Final Inspection and Documentation

Before the crew leaves, the work area is reviewed and the homeowner is informed of everything found and everything completed. You will never be left wondering what happened under your house.

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. No subcontractors. That is the only way we can stand behind our work with confidence.

Crawlspace vs. Attic: Where We Perform Insulation Removal

The environments are different, but the standard of care is the same.

Crawlspace insulation removal addresses the floor joist cavities below your living area, the ground-level vapor barrier, and any debris that has accumulated at ground level. This is where rodent activity tends to be most concentrated and where moisture damage does the most structural harm over time.

Attic insulation removal involves blown-in material, batt insulation, nesting debris packed into corners and eaves, and rodent pathways that can run the full length of the space. Both environments require the same thorough vacuum, hand-cleaning, and enzyme treatment process.

Commercial buildings and multifamily properties present their own scope considerations. The team that handles residential crawlspaces also serves larger structures — more detail is available on our commercial property services page. For every project, scope is confirmed during the free inspection so nothing is missed and the estimate reflects the actual work required.

Benefits of Professional Insulation Removal & Cleanup

Properly completed insulation removal and cleanup does more than clear space for new material.

• It eliminates the disease risk from rodent droppings and contaminated insulation, which can carry hantavirus and other pathogens.
• It removes the moisture and odor sources that attract new pest activity after treatment.
• It prepares the space correctly so new insulation performs at its rated R-value — something that cannot happen when new batts are installed over contaminated old material. You can review the insulation options available through our crawlspace and attic insulation service.
• Homes with properly installed new insulation commonly see energy bill reductions of 20% or more.
• You will have documented knowledge of what was under your house and what was done to address it — that peace of mind has real value, especially if you are planning to sell or refinance.

Insulation removal is frequently the first phase of a broader crawlspace and attic cleanup project. Both services are available together, and the inspection will clarify what your specific situation calls for.

Why Pacific Northwest Homeowners Choose American Crawlspace & Pest Services

American Crawlspace & Pest Services has been serving the Pacific Northwest since 1995. In that time, the team has worked in nearly 25,000 homes across King, Snohomish, Pierce, and Thurston counties — a track record that comes with genuine familiarity with the pest pressures, housing stock, and climate conditions specific to this region.

A few things separate this company from other crawlspace contractors in the market:

• American Crawlspace is one of only two WSDA-licensed full-service pest control companies operating in this market. Most crawlspace companies perform rodent cleanup without a pest control license. That distinction matters when the work involves contaminated biological material.
• The company holds a 4.9-star Google rating with hundreds of five-star reviews — earned through completed work, not marketing campaigns.
• Every crew member is a direct employee. Contractor License #AMERICC911J8. No subcontractors.
• The business is 100% locally and family owned. The people making decisions about how your home is treated are the same people who live and work in Snohomish, King, Pierce, and Thurston counties.
• Management averages more than eight years with the company. Many crew members have been here five years or longer. That tenure shows in the quality of the work.

Financing is available for qualified customers when the scope of work requires it.

What Comes After Insulation Removal & Cleanup

Removal is the beginning, not the end. Once the crawlspace or attic is clean and sanitized, the next steps depend on what the inspection found.

New subfloor or attic insulation is typically the immediate follow-on. The details on materials, R-values, and installation methods are covered on the crawlspace and attic insulation page. For homes that qualify, PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas rebates may apply to the new insulation installation. American Crawlspace is an approved contractor with all four programs and processed over $3 million in utility rebates for customers last year.

If rodents were the reason for removal, the insulation replacement should be paired with a rodent exclusion program. When you enroll in ongoing monitoring after exclusion work, new insulation carries a lifetime warranty against rodent damage — covering both materials and labor, with no fine print.

If moisture was a contributing factor, a ground cover installation or drainage solution may be recommended. The options are explained on our crawlspace moisture control page. Moisture, pests, and insulation performance are connected problems, and addressing only one of them rarely produces a lasting result.

Related Services

• Crawlspace and Attic Insulation Installation
• Crawlspace and Attic Cleanup
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if my crawlspace or attic insulation needs to be removed vs. just added to?

Removal is necessary when existing insulation is contaminated, structurally compromised, or harboring biological material — not simply when it is thin or aging. If there are rodent droppings, nesting debris, mold growth, or persistent odors present, adding new insulation on top of the old creates a layered problem rather than a solution. A free on-site inspection is the most reliable way to make that determination, because what looks passable from a quick glance at the access hatch often tells a different story once a technician is actually inside the space. The inspection is provided at no cost and carries no obligation to proceed.

Is the insulation removal process safe — what happens to the rodent droppings and contaminated material?

Yes. The process is designed specifically around the health risks involved. Rodent droppings can carry hantavirus and other pathogens, so the crew uses high-power insulation vacuum equipment rather than standard methods, and all contaminated material is bagged and removed from the property. After physical removal, every affected surface receives a neutralizing enzyme treatment that breaks down biological residue and eliminates odors at the source. American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies operating in this market, which reflects the level of training and licensing behind the process.

How long does insulation removal take, and do I need to leave my home?

Most crawlspace or attic insulation removal projects are completed in a single day, though larger homes or heavily contaminated spaces may require more time. In most cases, you do not need to vacate the home during the work — the crew accesses the crawlspace or attic directly and contains dust and debris within the work area. The specific timeline for your project is confirmed during the free inspection based on square footage, contamination level, and access conditions. You will know what to expect before any work begins.

Does removing old insulation qualify for PSE or PUD rebates?

Rebates from PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas are generally tied to the installation of qualifying new insulation rather than the removal of old material. However, removal is a required prerequisite when existing insulation is contaminated, so the two services are often planned and priced together. American Crawlspace & Pest Services is an approved contractor with all four utility programs and processed over $3 million in rebates for customers last year. The team can confirm which portions of your project qualify and handle the rebate paperwork on your behalf.

Will rodents come back after you remove and replace the insulation?

Not if the exclusion work is done properly alongside the insulation replacement. Removal and sanitization eliminate the odor trails and nesting conditions that attract rodents back to the same spaces, but those measures alone do not seal the entry points. American Crawlspace & Pest Services offers a four-step rodent exclusion program — inspection, hole sealing and trapping, cleanup and sanitization, and ongoing monitoring — and when you remain enrolled in the monitoring program, new insulation carries a lifetime warranty against rodent damage covering both materials and labor. That warranty exists because the exclusion process works, and we back it fully.

Home › Services › Pest Control & Rodent Services

Pest Control & Rodent Services in the Puget Sound Region

Something's Moving Under Your House — And You Deserve to Know What

That scratching sound at night. The droppings you found in the crawlspace. The cold floors that weren't cold last winter. These are the things that keep homeowners awake, running through worst-case scenarios about what's living beneath their feet and what kind of damage is already done.

The anxiety is real and understandable. Concerns about disease transmission, contaminated insulation, and whether rodents will simply return after treatment are among the most common things homeowners tell us when they call. You want straight answers, not a sales pitch built on fear.

The team at American Crawlspace & Pest Services has worked inside nearly 25,000 homes across King, Snohomish, Pierce, and Thurston counties since 1995. These are homes that look exactly like yours, with the same Pacific Northwest crawlspaces and attics, the same moisture, and the same entry points that rodents find year after year. This is a solvable problem — and a systematic, licensed process is what separates a real fix from a temporary one.

Have concerns about rodents or pests in your crawlspace or attic? Call American Crawlspace & Pest Services at [Needs your input: main phone number] to schedule a free on-site inspection with no pressure and no obligation. The team serves homeowners throughout King, Snohomish, Pierce, and Thurston counties. You can also submit an inspection request online and a local technician will follow up to confirm your appointment. We never leave a home without making sure you understand exactly what was found and what it means.

Signs You May Need Professional Pest Control & Rodent Services

Rodent activity is not always obvious until the damage is significant. These are the signals worth taking seriously:

• Scratching, scurrying, or thumping sounds at night — particularly in walls, subfloor cavities, or the attic
• Rodent droppings found in the crawlspace, attic, garage, or kitchen cabinets
• Insulation that appears shredded, matted, flattened, or visibly soiled
• Musty or ammonia-like odors rising from below or seeping from above living spaces
• Cold or drafty floors and unexplained increases in heating bills — both can signal insulation compromised by rodent nesting
• Gnaw marks near pipe penetrations, gaps at the foundation, or damage around crawlspace vents

If any of these apply, contamination is likely already present. Crawlspace and attic cleanup is a core part of effective rodent remediation — sealing entry points alone does not address the damage already inside.

What Our Pest Control & Rodent Services Include

Step 1 — Free On-Site Inspection

A technician inspects your crawlspace, attic, and the exterior of your home at no charge and with no obligation. The goal is to identify active infestation, locate all entry points, and give you an honest picture of the extent of any damage — before you spend a dollar. You'll know exactly what was found and what it means.

Step 2 — Rodent Exclusion (Hole Sealing)

Every identified entry point is sealed using durable materials appropriate to the opening type and location. This step addresses the root cause of infestation — not just the rodents currently inside, but the pathways that allow new ones to follow. Without exclusion, trapping is an ongoing cycle with no endpoint.

Step 3 — Trapping and Baiting System Installation

Traps and bait stations are placed strategically based on observed activity patterns. The approach follows Integrated Pest Management (IPM) principles: target the problem precisely, remove the conditions that sustain it, and avoid unnecessary chemical application. There is no contract locking you in — we earn continued business through results.

Step 4 — Cleanup, Sanitization, and Deodorization

Contaminated insulation debris is removed using high-power vacuum equipment. Affected surfaces are then sanitized with a neutralizing enzyme treatment that eliminates odor-causing pathogens — including the scent markers rodents use to locate and return to nesting sites. Skipping this step is one of the most common reasons infestations recur. Details on what this cleanup process involves are covered on our crawlspace and attic cleanup service page.

Step 5 — Ongoing Monitoring

A 1-year monitoring period is included after exclusion work is complete. Regular check-ins allow the team to catch any new activity early — before a single rodent becomes a second infestation. This monitoring period is also what activates the lifetime rodent guarantee on new insulation.

This is not a one-visit service. Each step connects to the next, and no step is optional if lasting results are the goal.

Why Homeowners Choose American Crawl for Rodent Control

A number of crawlspace companies offer rodent exclusion work. Fewer are licensed to do it correctly, and fewer still will back their work the way American Crawlspace & Pest Services does.

American Crawl is one of only two WSDA-licensed full-service pest control companies operating in this market. Most crawlspace contractors perform rodent exclusion without a pest control license — which limits what they can legally and safely do, and means their work isn't held to the same regulatory standards. Contractor License #AMERICC911J8 is on file, and every technician who enters your home is trained, vetted, and employed directly by American Crawl. No subcontractors. The only way to back a lifetime guarantee with real confidence is to control who does the work.

That lifetime guarantee covers materials and labor — for as long as you're enrolled in the pest monitoring service. No fine print. No asterisks. If rodents damage new insulation during the monitoring period, replacement comes at no additional cost to you.

There's also no contract binding you to service you don't value. The no-contract model means the relationship continues because the results do — not because you signed something that makes it difficult to leave.

American Crawlspace & Pest Services has been family-owned and locally operated since 1995. The people making decisions about how work is done are the same people who live and work in this community. That's a different kind of accountability than a private equity-backed national brand can offer. The company employs approximately 53 people, with management averaging 8 or more years of tenure — operational depth that shows in the consistency of the work. The 4.9-star Google rating with hundreds of five-star reviews reflects that consistency.

How Pest Control and Rodent Services Connect to the Health of Your Whole Home

Rodent activity rarely happens in isolation. In Pacific Northwest homes, pest problems, moisture problems, and energy loss problems tend to share the same address.

When rodents nest in floor joist insulation, they compress and contaminate the material — dropping its R-value and allowing cold air to move freely under your living spaces. That's why drafty floors and rising heating bills often accompany an infestation. After exclusion and cleanup, replacing the damaged crawlspace or attic insulation is usually the next step to restore both comfort and efficiency.

Moisture is the other piece. Wet crawlspace conditions create the kind of environment rodents are drawn to — dark, undisturbed, with soft organic material for nesting. Addressing standing water, vapor intrusion, and drainage issues through crawlspace moisture control reduces the conditions that attract pests in the first place.

American Crawlspace & Pest Services handles insulation, moisture management, mold remediation, duct sealing, and venting — because these problems are connected, and treating them separately often means missing the cause of the one you're trying to fix.

Pest Control and Rodent Services for Residential and Commercial Properties

The majority of rodent calls come from single-family homeowners, particularly those in pre-1990 construction where crawlspace vents, pipe penetrations, and foundation gaps have had decades to develop. Crawlspaces and attics are the primary entry and nesting zones in Pacific Northwest homes, and older construction rarely has the sealing that newer builds include.

The same licensed, systematic approach scales to commercial and multifamily properties. Larger footprints require more entry points identified and more monitoring stations placed, but the process and the standards are identical. Commercial and multifamily clients receive the same in-house crews, the same WSDA-licensed oversight, and the same guarantee framework that residential customers count on.

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace and Attic Insulation
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

What does your lifetime rodent guarantee actually cover — materials, labor, or both?

Both materials and labor are covered for the full duration of your pest monitoring enrollment. If rodents damage new insulation that American Crawlspace & Pest Services installed, the replacement cost — including the labor to remove and reinstall — is included at no additional charge. There is no fine print limiting coverage to one or the other, and no deductible. The guarantee is tied to the ongoing monitoring service, which is what allows the team to catch new activity before it causes the kind of damage the guarantee is designed to address.

Do I need a pest control license to do rodent exclusion, and does American Crawl have one?

Yes, a pest control license matters — and most crawlspace companies performing rodent exclusion work in this market do not hold one. American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies operating in the region, among dozens of competitors who offer exclusion without that credential. Licensing governs what methods can legally be used, how bait stations must be handled, and what regulatory standards apply to the work. Contractor License #AMERICC911J8 is on file, and every technician employed by American Crawl is trained and vetted under those licensed standards.

How long does the rodent exclusion and cleanup process take from inspection to completion?

[Needs your input: typical timeline from free inspection to completion of exclusion, cleanup, and sanitization — e.g., number of visits, days between steps, average total duration.] The process is multi-step by design, because each phase — inspection, exclusion, trapping installation, and sanitization — serves a distinct purpose that a single visit cannot cover. Rushing any step, particularly the cleanup and deodorization phase, is one of the most common reasons rodent problems recur after treatment.

Will rodents come back after exclusion, and what does your ongoing monitoring include?

Recurrence is possible if entry points reopen over time or if new gaps develop — which is exactly why the 1-year monitoring period is included after exclusion work. During that period, technicians return on a regular schedule to check trap and bait station activity, inspect previously sealed entry points, and identify any new potential access. Early detection is what prevents a single new rodent from becoming a second infestation. Homeowners who remain enrolled in pest monitoring also maintain their lifetime guarantee on new insulation.

Do I need to replace my insulation after a rodent infestation, or can it be cleaned?

In most cases involving active infestation, full insulation removal and replacement is the recommended course — not because cleanup isn't attempted, but because contaminated fiberglass batts cannot be effectively sanitized once rodent urine and droppings have saturated the material. The odor compounds that attract future rodents are embedded in the insulation itself, and enzyme treatment alone cannot neutralize them thoroughly enough when the material is heavily soiled. Replacement also restores the R-value that nesting activity degrades. The crawlspace and attic insulation installation process typically follows cleanup as part of the same overall restoration.

Home › Services › Crawlspace Insulation Removal

Crawlspace Insulation Removal in the Puget Sound Region

Is Your Crawlspace Insulation Past Its Prime?

That cold floor you can't explain. The faint musty smell that shows up on rainy mornings. The sounds you heard at 2 a.m. and tried to forget. If any of those feel familiar, you're not alone — and there's a good chance what's happening underneath your home is the reason.

Most homeowners in the Puget Sound region never see their crawlspace. It's one of those out-of-sight, out-of-mind spaces until something goes wrong. But when fiberglass insulation absorbs moisture, gets colonized by rodents, or simply ages past the point of usefulness, you feel it in your energy bills and in the comfort of your living space long before you see it.

Sagging or falling insulation batts, rodent droppings, visible mold growth, water staining, and odors that won't go away are all signs that the insulation under your floor has stopped protecting you and may now be actively working against you. This is a common problem across the region — especially in pre-1990 homes built before modern insulation standards. You can browse the full range of services we provide to see how crawlspace insulation removal fits into a complete home health picture.

Ready to find out what's happening under your home? Call American Crawlspace & Pest Services at [Needs your input: phone number] to schedule a free on-site crawlspace inspection, or contact us to book online. No obligation, no pressure — just a clear picture of what's there and what it will take to fix it.

When Crawlspace Insulation Removal Becomes Necessary

Not every crawlspace situation calls for full removal, but several conditions make it the only responsible next step. Here's what typically brings homeowners to the point where old insulation has to come out entirely:

• Rodent infestation or past infestation: Droppings, nesting material, and urine saturate fiberglass batts and cannot be cleaned in place. Contaminated insulation must be fully removed and the area sanitized before anything new goes in.
• Moisture damage: Insulation that has absorbed water loses its R-value and becomes a host for mold. Wet or matted batts provide almost no thermal benefit and create ongoing air quality problems.
• Visible mold or mildew: Mold growing on or behind insulation batts signals that removal — not spot treatment — is needed before the problem spreads to the subfloor or framing.
• Sagging or unsecured insulation: Batts that have dropped away from the subfloor create thermal gaps and often trap moisture against wood framing. Repositioning rarely holds long-term in a crawlspace environment.
• Age and performance decline: Insulation installed decades ago under older standards may no longer meet current performance expectations, particularly in homes with high heating costs and cold floors.
• Pre-upgrade preparation: If you're planning a crawlspace moisture control upgrade — new vapor barrier, drainage, or sealing — old insulation typically needs to come out first so the work beneath the floor can be done properly.
• Pre-purchase inspection findings: A home inspection that flags contaminated or deteriorated insulation before closing often requires documented remediation before new insulation can be installed.

What Our Crawlspace Insulation Removal Process Includes

Every removal job starts with a free on-site inspection. A technician walks your crawlspace, photographs what's there, identifies what kind of contamination is present, and documents the condition of the insulation, vapor barrier, and surrounding structure. You get a clear picture of what was found before any work begins — no guessing, no vague estimates.

From there, the process moves through six defined steps:

• Old insulation extraction: Specialized high-power vacuum equipment pulls all insulation material out of the floor joist cavities. This is not a shop-vac operation — the equipment is purpose-built for crawlspace removal and contains the material during extraction so it doesn't spread contamination through the home.
• Vapor barrier removal: Existing ground cover, old sheeting, and accumulated debris are cleared from the crawlspace floor to prepare for what comes next.
• Rodent dropping and debris cleaning: Joist cavities, beams, and subfloor surfaces are hand-cleaned after the vacuum pass. This step is what separates a thorough job from one that just looks complete from the access hatch.
• Sanitization with neutralizing enzyme treatment: The treated surfaces are deodorized and sanitized using a neutralizing enzyme that breaks down biological contaminants at a molecular level — not a surface spray that masks odor temporarily.
• Site report and next steps: Before the technician leaves, they explain exactly what was found, what was done, and what they recommend. You're never left guessing about what happened under your house.

If you're dealing with contamination in the attic as well, our team handles crawlspace and attic cleanup under the same process, so you're not coordinating multiple contractors.

Property Types and Crawlspaces We Service

The team works across a wide range of homes and buildings throughout King County, Snohomish County, Pierce County, and Thurston County. The equipment and process are adapted to the specific conditions of each crawlspace, not a one-size approach.

• Single-family homes of all ages, with particular experience in pre-1990 construction where original insulation is common
• Pier-and-beam and partial crawlspace foundations, which present different access and insulation challenges than full-perimeter crawlspaces
• Homes with low-clearance or difficult-access crawlspaces — the specialized vacuum equipment is designed to reach areas where a crew member can't comfortably stand
• Multifamily properties and commercial buildings — for larger-scale projects, see our commercial property services

If you're not sure whether your crawlspace qualifies or whether the access point is workable, the free inspection answers that question before any commitment is made.

Why Crawlspace Insulation Removal Requires the Right Equipment and Credentials

Pulling insulation out of a crawlspace sounds straightforward. In practice, doing it without spreading rodent-contaminated material through the living space, fully extracting every batt from tight joist cavities, and properly sanitizing afterward requires equipment and credentials that most general contractors don't have.

American Crawlspace & Pest Services is one of fewer than two WSDA-licensed full-service pest control companies among dozens of competitors in this market. That license matters: it means the team is legally qualified and properly trained to handle rodent-contaminated materials — not just removing insulation and hoping for the best. Many crawlspace companies perform rodent exclusion work without a pest control license at all.

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. No subcontractors. That's the only way the company can stand behind its work with confidence. Contractor License #AMERICC911J8. The team has served nearly 25,000 homes in the Pacific Northwest since 1995, and holds a 4.9-star Google rating built from hundreds of unsolicited five-star reviews.

What Comes After Crawlspace Insulation Removal

Removal is the necessary first step, but the goal is a crawlspace that performs well for the next decade or more. Once the old material is out and the space is clean and sanitized, the path forward typically includes:

• New subfloor insulation installation: R-30 fiberglass batts, formaldehyde-free and made from recycled materials, installed snugly into the floor joist cavities. Learn more about what goes in on our crawlspace and attic insulation page.
• Vapor barrier installation: A proper ground cover prevents future moisture from working its way back into the insulation — a critical step in a climate as wet as the Pacific Northwest's. This ties directly into broader crawlspace moisture control work when drainage or sealing is also needed.
• Rodent exclusion and ongoing monitoring: New insulation comes with a lifetime warranty against rodent damage when the home is enrolled in the monitoring program — materials and labor both covered, no fine print.
• PSE and utility rebate eligibility: Installing new insulation after removal may qualify for rebates through PSE, Snohomish County PUD, Tacoma Power, or Cascade Natural Gas. American Crawlspace & Pest Services is a registered contractor with each of those programs and facilitated over $3 million in rebates for customers last year.
• Energy savings: Properly installed replacement insulation can reduce heating costs by up to 20% or more — a meaningful difference in homes that currently have cold floors and high utility bills.

Our Guarantee and What Sets This Company Apart

The Lifetime Rodent Guarantee covers both materials and labor for as long as the customer remains on pest service. No asterisks. No fine print about what's excluded. If rodents damage the new insulation, it's replaced at no cost.

American Crawlspace & Pest Services is 100% locally and family owned — not a private equity portfolio company. The people making decisions about how your job is done are the same people who live and work in this community. Management averages more than 8 years with the company. Many crew members have been here 5 years or longer. With about 53 employees, the operation has the depth to handle complex jobs and back up its guarantees without depending on whoever happens to be available that week.

Financing is available for qualified customers, so the condition of your crawlspace doesn't have to wait on a budget cycle. Call to ask about current options.

Schedule Your Free Crawlspace Insulation Removal Inspection

The inspection is free, there's no obligation to proceed, and the technician explains every finding before leaving. You'll know exactly what's in your crawlspace, what it means, and what your options are — without pressure to decide on the spot. If financing helps make the next step possible, that conversation is available too.

Call American Crawlspace & Pest Services at [Needs your input: phone number] or request your free inspection online. The team serves homeowners across King County, Snohomish County, Pierce County, Thurston County, and Island County.

Related Services

• Crawlspace and Attic Insulation Installation
• Crawlspace and Attic Cleanup
• Crawlspace Moisture Control
• Commercial Property Crawlspace Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if my crawlspace insulation needs to be fully removed or just added to?

Full removal is necessary when insulation is contaminated by rodents, saturated with moisture, or hosting mold — none of those conditions can be resolved by adding new material on top. If the existing batts are structurally intact, dry, free of biological contamination, and still performing at a reasonable R-value, topping up may be appropriate in some cases. A free on-site inspection is the only reliable way to determine which situation you're in, because conditions vary significantly even within a single crawlspace.

Is it safe to remove crawlspace insulation contaminated by rodents or mold?

Yes, when handled by a properly licensed and equipped team. American Crawlspace & Pest Services is one of fewer than two WSDA-licensed full-service pest control companies among dozens of competitors in this market, which means the crew is trained and legally authorized to handle rodent-contaminated materials safely. High-power extraction equipment contains the material during removal, and the area is sanitized with a neutralizing enzyme treatment after extraction — so the contamination is addressed at the source rather than just removed from sight. Attempting this work without proper licensing and equipment risks spreading pathogens through the living space.

How long does a crawlspace insulation removal job typically take?

Most residential crawlspace insulation removal jobs are completed in a single day. The actual duration depends on the square footage of the crawlspace, the depth and condition of the existing insulation, and whether additional steps like vapor barrier removal and sanitization are included. During the free inspection, the technician will give you a realistic time estimate based on what they find — so you can plan accordingly and aren't surprised on the day of the work.

Does removing old insulation and installing new insulation qualify me for a PSE or PUD rebate?

Yes, in most cases new insulation installation qualifies for rebates through PSE, Snohomish County PUD, Tacoma Power, or Cascade Natural Gas when performed by a registered contractor. American Crawlspace & Pest Services is a registered and approved contractor with each of those programs and facilitated over $3 million in rebates for customers last year. The rebate typically applies to the new installation, not the removal itself, so the combination of removal and re-insulation in a single project is the most efficient path to capturing that benefit. Details on eligibility and how to apply are covered when you schedule new insulation installation.

Can the old insulation be removed and new insulation installed during the same visit?

In most cases, removal and installation happen on separate visits. The removal process — including extraction, debris cleaning, and enzyme sanitization — needs to be fully complete and dry before new insulation batts are installed into the joist cavities. Trying to compress both into the same day typically means either the removal is rushed or the new insulation goes in before the space is properly prepared. The team schedules both steps in close sequence so the project moves quickly while the work is done correctly.

Home › Services › Subfloor Insulation Installation

Subfloor Insulation Installation for Pacific Northwest Homes

Cold Floors and Rising Energy Bills? Your Subfloor Insulation May Be the Problem

You turn the heat up. The furnace runs. And yet the floors in your kitchen, hallway, or bedrooms stay cold enough to make you reach for slippers every morning. That feeling, common in homes across King County, Snohomish County, and Pierce County, is often a sign that the insulation beneath your floor joists is damaged, missing, or simply never there to begin with.

Pacific Northwest winters are mild by some standards, but the region's wet climate is relentless. Ground moisture rises through crawlspaces, saturating insulation over years until it compresses, sags away from the subfloor, or becomes a habitat for rodents and mold. Homes built before 1990 are especially vulnerable because many were constructed before modern energy codes required adequate floor insulation depths.

Many homeowners in Kirkland, Everett, Renton, and Bothell don't think about what's underneath their home until their heating bill spikes or they hear something moving in the crawlspace at night. That concern is completely reasonable, and you're not alone in it. Subfloor insulation installation addresses the thermal boundary between your living space and the ground below, and it starts with understanding exactly what's down there.

Call American Crawlspace and Pest Services at [Needs your input: main phone number] to schedule your free subfloor insulation inspection, or request an appointment online. The team serves homeowners throughout Seattle, Bellevue, Everett, Lynnwood, Renton, Kent, Sammamish, Kirkland, Bothell, Edmonds, Marysville, Issaquah, and across King, Snohomish, Pierce, Thurston, and Island Counties.

When Your Home Needs Subfloor Insulation Installation

Subfloor insulation work is right for your home in several clear situations:

• Insulation is missing entirely, which is common in homes built before Washington State adopted modern energy codes.
• Existing insulation is wet, compressed, falling from the joists, or visibly moldy, meaning it has lost most of its thermal value regardless of its original rating.
• Rodent activity has contaminated the old insulation with droppings, nesting material, or urine, making removal and replacement a health necessity before crawlspace and attic cleanup can be completed.
• Floors feel cold even when the heat is running, a reliable sign that the thermal boundary between your crawlspace and living area is failing.
• Your heating or cooling costs seem higher than they should be for your home's square footage.
• You're pursuing PSE or Snohomish County PUD rebates and need a registered, approved contractor to qualify.
• You've recently completed vapor barrier work or moisture remediation and want to protect that investment with proper insulation layered on top — see our crawlspace moisture control page for how these services connect.

What Our Subfloor Insulation Installation Includes, Step by Step

Every job follows the same thorough sequence, and nothing gets skipped to save time.

Step 1: Free On-Site Inspection

A technician visits your home, assesses existing crawlspace conditions, measures floor joist cavity dimensions, and identifies any moisture, pest, or structural issues before any work is planned or priced. You pay nothing for this visit, and there's no obligation to book.

Step 2: Cleanup and Prep

If old insulation is present and damaged, it's removed first. Debris is cleared, the crawlspace surface is protected during work, and any contaminated material is handled and disposed of properly. We never install over compromised insulation. For homes with significant contamination, this prep work connects directly to our full crawlspace and attic cleanup service.

Step 3: Material Selection

We install formaldehyde-free fiberglass insulation batts made from recycled glass and sand. For the Pacific Northwest climate, R-30 is the recommended depth for floor joist cavities. These products are selected specifically because they resist moisture absorption better than older fiberglass and carry no off-gassing concerns.

Step 4: Installation

Batts are cut to fit and pressed snugly into each floor joist cavity, then secured with twine or lathe so they hold flush against the underside of the subfloor. No gaps. No sagging sections. No areas left uncovered because they were harder to reach. The thermal boundary has to be complete to perform, and our crews work to make it exactly that.

Step 5: Final Inspection and Walkthrough

Before we leave, a technician walks you through what was done, what was found, and why each decision was made. You'll know exactly what's under your home. Every technician who enters your property is trained, vetted, and employed directly by American Crawlspace and Pest Services — no subcontractors, no staffing agencies.

Benefits of Subfloor Insulation Installation in the Pacific Northwest

Properly installed subfloor insulation changes the way your home feels and performs through every season.

• Floors warm up noticeably in winter, often within the first heating cycle after installation.
• Heating and cooling costs can drop by 20% or more when the thermal boundary is properly sealed.
• A dry, insulated crawlspace resists the mold and moisture buildup that shortens the life of structural wood in Puget Sound's wet climate.
• Floor joists and subfloor sheathing are protected from the temperature swings and condensation cycles that cause long-term structural damage.
• The work may qualify for rebates through PSE, Snohomish County PUD, Tacoma Power, or Cascade Natural Gas. American Crawlspace is a registered, approved contractor with all four programs and facilitated over $3 million in rebates for customers last year.
• Pairing subfloor insulation with a vapor barrier or drainage system gives your crawlspace a connected defense against moisture. Our crawlspace moisture control services are designed to work in combination with insulation for exactly this reason.

Why Homeowners Across Puget Sound Choose American Crawlspace and Pest Services

American Crawlspace and Pest Services has been serving Pacific Northwest homes since 1995. In that time, the team has worked in nearly 25,000 homes across King, Snohomish, Pierce, Thurston, and Island Counties, earning a 4.9-star Google rating built on hundreds of verified five-star reviews.

A few things set this company apart from others offering crawlspace work in the region:

• American Crawlspace is one of only two WSDA-licensed full-service pest control companies in this market. Most crawlspace contractors do rodent exclusion work without a pest control license. That distinction matters when the insulation problem and the rodent problem are the same problem.
• New insulation installed by American Crawlspace carries a lifetime warranty against rodent damage, as long as you're enrolled in the ongoing monitoring program. That means materials and labor, with no fine print.
• The company is 100% locally and family owned. The people making decisions about your home live and work in this community, not in a private equity office.
• Every crew member is employed directly by American Crawlspace. Management averages more than 8 years with the company, and many field technicians have been here 5 years or more. That stability shows in the quality of the work.
• Financing options are available for qualified customers.
• Contractor License: AMERICC911J8.

Properties and Crawlspaces We Insulate

Subfloor insulation installation is available for a range of property types throughout the region:

• Single-family homes, including pre-1990 builds in Edmonds, Shoreline, Burien, Auburn, and Marysville where aging or missing insulation is common.
• Manufactured and modular homes with accessible floor joist cavities.
• Multifamily and commercial buildings through our commercial property services, which cover crawlspace insulation for apartment buildings and mixed-use structures.
• Homes coming out of rodent exclusion or mold remediation work that need a clean, properly insulated fresh start.
• Properties across Lynnwood, Everett, Bothell, Kirkland, Redmond, Sammamish, Issaquah, Renton, Kent, and every county in our service area.

Related Services That Work With Subfloor Insulation Installation

Subfloor insulation rarely needs to stand alone. Here are the services that connect most directly to this work:

• Crawlspace and attic cleanup: old, damaged, or rodent-contaminated insulation is removed and the space is sanitized before new insulation goes in.
• Crawlspace and attic insulation: full insulation services covering both attic blown-in work and crawlspace floor joist installation.
• Crawlspace moisture control: vapor barriers and drainage systems that protect your new insulation from the ground moisture that shortened the life of the old.
• Commercial property services: crawlspace insulation and related work for multifamily housing and commercial buildings.
• Browse all available services on the services overview page.

Get a Free Subfloor Insulation Inspection, No Obligation and No Pressure

The first step is simple: a technician visits your home, goes under the floor, and tells you exactly what's there and what it means. You'll get a clear picture of your crawlspace condition and a straightforward explanation of your options. There's no obligation to proceed, and we won't use what we find to frighten you into a quick decision.

If your project qualifies for PSE, Snohomish County PUD, Tacoma Power, or Cascade Natural Gas rebates, we'll let you know and handle the paperwork. Those rebates can meaningfully offset the cost of the work, and we process more utility rebates in this region than any other crawlspace contractor.

American Crawl, The Team To Call.

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace and Attic Insulation
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

What R-value do I need for subfloor insulation in Washington State?

R-30 is the recommended depth for floor joist cavities in Pacific Northwest homes. Washington State energy code requirements have evolved over the decades, and many homes built before 1990 were constructed with R-11 or R-19, or with no subfloor insulation at all. During your free inspection, a technician will measure your existing joist cavity depth and confirm which R-value fits your specific floor system before any work begins.

How long does subfloor insulation installation take?

Most single-family home installations are completed in one day. The timeline depends on the size of your crawlspace, whether old insulation needs to be removed first, and any access or moisture issues that require additional prep work. During the inspection, the crew gives you a realistic time estimate before scheduling the job so there are no surprises on installation day.

Can I get a rebate for subfloor insulation through PSE or my utility?

Yes, subfloor insulation installation can qualify for rebates through PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, depending on your utility provider and the scope of the work. American Crawlspace and Pest Services is a registered, approved contractor with all four programs and facilitated over $3 million in rebates for customers last year. We handle the rebate paperwork as part of the job, so you don't have to navigate it yourself.

Do I need to remove the old insulation before you install new subfloor insulation?

It depends on the condition of the existing material. If your current insulation is wet, moldy, compressed, or contaminated by rodents, it has to come out before new insulation goes in. Installing over damaged material traps moisture, reduces the thermal performance of the new batts, and can create ongoing air quality concerns. Our crawlspace and attic cleanup service handles removal and sanitization as a separate step before installation begins. If the existing insulation is in good condition and simply insufficient in depth, a top-up approach may be possible, and the inspector will tell you which situation applies to your home.

What happens if rodents damage my new insulation after installation?

New insulation installed by American Crawlspace and Pest Services carries a lifetime warranty against rodent damage when you're enrolled in the ongoing monitoring program. That warranty covers both materials and labor with no hidden conditions. Because American Crawlspace is one of only two WSDA-licensed full-service pest control companies in this market, the exclusion work and the insulation work are handled by the same team under the same guarantee, which is something most crawlspace contractors can't offer.

Home › Services › Attic Insulation Installation

Attic Insulation Installation for Pacific Northwest Homes

Is Your Attic Costing You Every Month?

You might not think about your attic very often. Most homeowners don't. But if your heating bill keeps climbing, certain rooms never seem to reach a comfortable temperature, or your house feels drafty no matter how high you set the thermostat, the attic is often the first place to look. Heat rises, and when there isn't enough insulation above your living space to hold it in, you're essentially paying to warm the outdoors.

The problem is easy to miss because it's invisible from where you live. Most people have no idea what's up there — how thick the insulation is, whether it's still doing its job, or whether something has gotten into it. That uncertainty is completely understandable, and it's exactly why a free, no-obligation inspection is the right first step.

Pre-1990 homes across King County, Snohomish County, and Pierce County are especially prone to underperforming attics. Insulation standards from that era fall well short of what the Pacific Northwest climate demands today. If your home was built before 1990 and hasn't had an attic assessment recently, there's a real chance you're losing heat every single day. You can see the full range of insulation and pest services we provide to help address those losses at the source.

Our approach is straightforward: we come out, we look at what's actually there, we tell you honestly what we found, and we explain what it would take to fix it. No pressure, no guesswork, no mess.

Call American Crawlspace and Pest Services at [Needs your input: phone number] to request a free attic insulation inspection or talk through your project. The team serves homeowners throughout King County, Snohomish County, Pierce County, Thurston County, and Island County, with no obligation and no pressure to book.

Signs You Need Attic Insulation Installation (or Replacement)

These are the situations where attic insulation installation makes a measurable difference:

• Heating and cooling costs that have increased without an obvious explanation
• Rooms that are noticeably harder to heat in winter or cool during summer heat events
• Attic insulation that is visibly thin, compressed, or matted down when you look in
• Wet or damp insulation caused by a roof leak or poor attic ventilation
• A home built before 1990, which likely falls below modern R-value standards for the Pacific Northwest climate zone
• Rodent droppings, nesting material, or an unusual odor coming from the attic space

That last point deserves attention. When rodents get into an attic, they don't just leave droppings behind. They burrow into insulation, compress it, and contaminate it in ways that make it ineffective and potentially hazardous. In those cases, insulation removal and sanitization need to happen before any new material goes in. If you suspect contamination, learn more about our crawlspace and attic cleanup process, which addresses removal, enzyme treatment, and full sanitization before new insulation is installed.

What Our Attic Insulation Installation Includes

Free On-Site Inspection

Before anything else, one of our technicians comes out to assess what's actually in your attic. We measure the current depth and estimate the R-value, check for moisture or pest damage, look at ventilation conditions, and give you an honest picture of what's there and what it would take to bring it up to standard. There's no charge for the inspection and no obligation to book anything.

Pre-Installation Prep

If existing insulation is damaged, contaminated, or so compressed that it's no longer performing, we remove it first. That work is handled through our attic cleanup and removal service, which includes high-power vacuum extraction, debris removal, and enzyme-based sanitization where needed. New insulation installed over compromised material doesn't perform the way it should, so we don't skip this step.

Venting Baffle Installation

Proper airflow from your soffit vents to the attic is essential for long-term attic health. Without baffles in place, blown-in insulation can block those vents and cause moisture buildup, which leads to mold and structural problems over time. We install baffles before any insulation goes in to keep air moving the way it's supposed to.

Blown-In Insulation to Proper Depth

We install blown-in insulation evenly across the attic floor, targeting R-38 to R-49 levels consistent with Pacific Northwest climate zone requirements. That typically means a minimum finished depth of 8 to 10 inches, though conditions in older homes sometimes call for more. The insulation products we use are formaldehyde-free and made from recycled glass and sand, which means they're safe for your home and better for the environment.

Even Distribution and Final Inspection

Once installation is complete, the crew walks the attic to verify uniform coverage. We check for cold spots, confirm that vents remain unobstructed, and make sure depth is consistent across the full floor area before we consider the job done.

Clean Worksite

We protect surfaces and use drop cloths throughout the process. When we leave, your home looks the way it did when we arrived. Every technician who enters your home is employed, trained, and vetted directly by American Crawlspace and Pest Services — we do not use subcontractors.

Benefits of Attic Insulation Installation for Your Home

The most direct benefit is lower energy costs. Properly installed attic insulation can reduce heating and cooling costs by up to 20% or more, and in older Pacific Northwest homes that have been running on thin or compressed insulation for years, the improvement can be even more noticeable on the first bill after installation.

Beyond cost savings, you'll feel the difference room to room. Homes with adequate attic insulation hold temperature more consistently throughout the day, which means fewer cold spots in winter and less trapped heat during Snohomish County and King County summer heat events. Your heating and cooling equipment also works less hard to maintain those temperatures, which reduces wear over time.

Air quality improves as well. Gaps and thin spots in attic insulation allow outside air, dust, and allergens to infiltrate the living space below. Sealing those pathways with properly installed insulation reduces that infiltration. The formaldehyde-free, recycled-content products we use don't introduce new off-gassing into your home. For a full overview of how attic and crawlspace insulation work together, visit our crawlspace and attic insulation service page.

Rebates That Can Reduce Your Out-of-Pocket Cost

Attic insulation upgrades frequently qualify for rebates through Puget Sound Energy (PSE), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. American Crawlspace and Pest Services is a registered, approved contractor with all four utility programs, which means the work we do is eligible and the paperwork is handled correctly.

Last year, we facilitated over $3 million in utility rebates for customers across the region. No other company in the market processes more rebates on behalf of homeowners than we do, and we handle the submission process so you don't have to navigate it yourself. Specific rebate amounts vary by utility provider and project scope, but a non-certified contractor's work may not qualify at all, so the contractor you choose matters.

Our contractor license number is #AMERICC911J8 and our technicians are PSE and Snohomish County PUD certified. When you ask about your project, we'll tell you upfront what rebate you're likely eligible for before any work begins.

Our Credentials and Experience for Attic Insulation Work

American Crawlspace and Pest Services has been serving Pacific Northwest homeowners since 1995. In that time, we've worked in nearly 25,000 homes across King County, Snohomish County, Pierce County, Thurston County, and Island County, which means we've seen just about every attic condition the region produces — old fiberglass batts laid in the 1970s, rodent-damaged insulation in Edmonds ramblers, moisture issues in Marysville crawl-and-attic combinations, and everything in between.

Our Google rating is 4.9 stars based on hundreds of five-star reviews. That rating reflects what happens on the job, not just what we say about ourselves. The management team averages more than 8 years with the company, and many crew members have been with us for 5 years or more. With approximately 53 employees, we have the depth to staff your job without rescheduling it for a larger account.

Every technician who enters your home is on our payroll, not a subcontractor's. That's the only way we can stand behind our work with confidence. We're 100% locally and family owned, which means the people making decisions about your home live and work in this community. Financing options are available for qualified customers who want to spread the cost of the project over time.

When Attic Insulation Is Part of a Bigger Picture

Attic insulation doesn't exist in isolation. Moisture, pests, and energy loss are connected problems, and treating one without understanding the others can leave the underlying issue unresolved. That's the thinking behind how we approach every job.

If rodents have been active in your attic, the contaminated insulation has to come out and the entry points have to be sealed before new insulation goes in. Installing fresh material over a compromised attic just means you'll be doing the job twice. Our attic cleanup team handles that removal and sanitization process as a prerequisite when it's needed.

Moisture in the attic can also undermine new insulation quickly if it's not addressed. Damp insulation loses most of its R-value and becomes a surface for mold growth. If you're seeing signs of moisture issues in the structure below, it's worth reviewing crawlspace moisture control as a companion concern, since moisture problems in the structure often connect across floors.

For commercial buildings and multifamily housing, the same systems-level thinking applies. Our commercial property services extend attic insulation, pest control, and moisture management to properties of all sizes. We're one of the few companies in this market that addresses insulation, pests, moisture, and ventilation as a connected system rather than treating each as a separate job.

Schedule Your Free Attic Insulation Inspection

You'll know exactly what we found in your attic before any work begins. That's not a slogan — it's how every inspection ends. We walk you through current conditions, explain what the numbers mean, and give you a clear picture of what an upgrade would involve and what it would cost. No obligation, no pressure.

American Crawlspace and Pest Services holds a 4.8 out of 5 customer satisfaction rating and a 4.9 star Google rating with hundreds of reviews from homeowners across the Puget Sound region. Financing is available for qualified customers. To request your free inspection or ask a question about your attic, submit a request online or call us directly.

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace and Attic Insulation Overview
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How much can I save on my energy bills after attic insulation installation?

Properly installed attic insulation can reduce heating and cooling costs by up to 20% or more. The actual savings depend on your current insulation level, the size of your attic, and how your home is heated, but in pre-1990 homes with thin or compressed insulation, the difference is often noticeable on the very first heating bill after the upgrade. Our technicians assess your current R-value during the free inspection and can give you a realistic picture of what to expect for your specific home.

Do I need to remove my old attic insulation before adding new insulation?

Not always, but sometimes yes. If your existing insulation is in good condition and free of contamination, adding blown-in insulation on top of it is often the right approach. However, if the insulation is wet, heavily compressed, damaged by pests, or contaminated with rodent droppings or nesting material, it needs to come out first — installing new material over compromised insulation reduces performance and doesn't address the underlying problem. We assess the existing condition during your free inspection and give you an honest recommendation before any work begins. You can learn more about what that removal process involves on our attic cleanup and removal page.

How do I know if my attic insulation qualifies for a PSE or PUD rebate?

Yes, attic insulation upgrades frequently qualify for rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. The key requirement is that the work is performed by a registered, approved contractor — which American Crawlspace and Pest Services is for all four programs. We facilitated over $3 million in utility rebates last year and handle the submission paperwork on your behalf. During your inspection, we'll confirm which program you qualify for and what the likely rebate amount will be for your project.

How long does a professional attic insulation installation take, and do I need to leave my home?

Most attic insulation installations are completed in a single day, and you do not need to leave your home during the work. In cases where removal of old insulation is also required, the project may take longer depending on the volume of material and the condition of the attic. Our crew protects surfaces, uses drop cloths throughout, and clears the workspace before leaving. We'll give you a realistic time estimate when we come out for the inspection so you can plan accordingly.

Home › Services › Rodent Exclusion & Removal

Rodent Exclusion & Removal Services in the Puget Sound Region

Hearing Scratching at Night? You're Not Alone.

That sound in the wall at 2 a.m. is one of the most unsettling things a homeowner can experience. You lie there wondering what's under your floor, what it's chewing through, and how long it's been going on. If you've found droppings, spotted shredded insulation, or just have that nagging feeling something is living in your crawlspace or attic, you're right to take it seriously — and you're far from alone.

Pacific Northwest homes, particularly those built before 1990, are especially susceptible. The region's wet climate, combined with the crawlspace construction common across King County, Snohomish County, Pierce County, Thurston County, and Island County, creates exactly the kind of damp, dark, insulated space rodents seek out. It's not a reflection on how you maintain your home. It's a structural reality that affects tens of thousands of properties in this region.

Since 1995, American Crawlspace & Pest Services has helped protect nearly 25,000 Pacific Northwest homes from rodent damage. The solution here is thorough, licensed, and guaranteed — not a temporary fix that sends you back to square one in six months. Start with a free on-site inspection, no obligation, and we'll tell you exactly what we find.

Schedule your free rodent inspection by calling American Crawlspace & Pest Services at [Needs your input: main phone number] or request your inspection online. There's no obligation, no pressure, and no alarm — just a clear, honest assessment of what's happening in your crawlspace or attic and what it would take to fix it. Financing is available for qualified customers. The team serves homeowners throughout King County, Snohomish County, Pierce County, Thurston County, and Island County.

Signs You May Need Rodent Exclusion & Removal

Rodent activity rarely announces itself all at once. More often, it shows up as a collection of small signs that are easy to dismiss individually but add up quickly. Here's what to watch for:

• Scratching, scurrying, or gnawing sounds at night, especially in walls, under floors, or in the ceiling
• Rodent droppings in the crawlspace, attic, along baseboards, or inside cabinets
• Insulation that looks flattened, shredded, pulled apart, or visibly soiled
• Visible gaps around pipes, foundation vents, or where utility lines enter the structure
• A sudden or unexplained increase in your heating bills — compromised insulation loses R-value fast
• A musty or ammonia-like odor coming from under the floor or in the attic

If any of these sound familiar, the space under or above your living area may need more than a look. Contaminated crawlspaces and attics require careful crawlspace and attic cleanup before new insulation can be safely installed — and that work has to be done right to actually protect your home.

What Makes Our Rodent Exclusion & Removal Different

Most companies that offer rodent exclusion in this region are crawlspace contractors, not licensed pest control operators. That distinction matters more than most homeowners realize.

American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies among dozens of competitors in this market. That license isn't just a credential on the wall — it's the legal and professional foundation that allows us to stand behind our work with a genuine lifetime guarantee. Unlicensed operators can seal holes and set traps, but they can't make the same promise with the same legal accountability.

Every technician who enters your home is trained, vetted, and employed directly by us — not a subcontractor brought in for the job. With roughly 53 employees and management that averages more than 8 years with the company, this is a team that knows what it's doing and will be here when you need us. The company is 100% family-owned and locally operated. The people making decisions about your home live in this community.

On pest control specifically: we don't lock you into a contract. Through Integrated Pest Management, we address the root cause — exclusion, trapping, and baiting — and we earn your continued business by actually solving the problem, not by binding you to a service agreement.

Our 4-Step Rodent Exclusion Process

Step 1: Free On-Site Inspection

Before any work is proposed, one of our trained technicians inspects your crawlspace, attic, and exterior for entry points, nesting areas, the extent of damage, and signs of contamination. You get a clear picture of exactly what's happening — no guesswork, no alarm, no pressure to buy anything. The inspection is free and carries no obligation.

Step 2: Exclusion and Trapping

We seal every identified entry point — gaps at the foundation, around pipes and conduit, at vents, and along the roofline. Then we install a professional trapping system to eliminate any rodents still active inside the structure. Sealing alone without trapping can trap rodents inside; we address both at the same time.

Step 3: Cleanup, Sanitization, and Deodorization

This is where most competitors stop short. Our crews remove contaminated insulation, clean rodent droppings from surfaces, and treat the area with a neutralizing enzyme that breaks down biological waste and eliminates odor attractants. Skipping this step leaves the conditions that drew rodents in the first place. Full details on what this involves are covered on our crawlspace and attic cleanup page.

Step 4: Ongoing Monitoring

A one-year monitoring period is included with every rodent exclusion job. Our technicians return to check traps, confirm no new activity, and address any concerns. Continuing the monitoring program beyond year one is what activates the Lifetime Rodent Guarantee — because sustained protection requires sustained attention. Every step is performed by the same in-house crew, not handed off to a third party.

Once the space is clean and secure, new insulation can be installed. You can learn more about what that involves on our crawlspace and attic insulation page.

What Our Rodent Exclusion & Removal Service Includes

• Complete inspection of the crawlspace, attic, and all exterior entry points
• Hole sealing and structural gap closure at the foundation, vents, pipe penetrations, and roof lines
• Professional-grade trapping system installation and monitoring
• Removal and disposal of contaminated insulation
• Rodent dropping cleanup and surface sanitization with neutralizing enzyme treatment
• Deodorization to eliminate scent markers that attract new rodents
• New insulation installation (R30 recommended for subfloor cavities) — see our insulation services for full details
• One-year monitoring period included; ongoing monitoring available to maintain the Lifetime Rodent Guarantee

The Lifetime Rodent Guarantee — No Asterisks

Most warranties in this industry cover materials only. Ours covers both materials and labor, for as long as you remain on our pest monitoring service. If rodents damage new insulation while you're enrolled, we replace it — the insulation and the work to install it — at no cost to you.

That's a meaningful distinction. Industry-standard limited warranties often exclude labor, cap the dollar amount, or expire after a fixed term. Our guarantee doesn't work that way. There's no fine print designed to find a reason not to honor it.

The monitoring requirement isn't a sales mechanism. It's the reason the guarantee is real. Rodent exclusion is not a one-time event in a region where new entry points can open as homes settle and weather changes. Ongoing monitoring is what keeps the exclusion effective, and that sustained effectiveness is what makes a lifetime promise credible.

Our WSDA license is what gives this promise legal standing. And our 4.9-star Google rating — built from hundreds of unsolicited reviews — reflects what happens when a company actually delivers on what it says.

Rodent Problems and Moisture Often Go Hand in Hand

Rodents don't choose crawlspaces at random. They're drawn to spaces that are damp, warm, and accessible — which describes a significant portion of the crawlspaces under homes across the Puget Sound region. If your crawlspace has a moisture problem, it's more likely to attract and sustain an infestation, and more likely to see one return after exclusion work is done.

American Crawlspace & Pest Services takes a connected approach to these problems. Addressing moisture through vapor barriers, drainage systems, and sump pumps doesn't just protect your structure — it makes rodent exclusion more durable over time. You can explore what that work involves on our crawlspace moisture control page.

Unaddressed moisture combined with rodent contamination also creates conditions where mold can take hold. Mold remediation is part of the range of services we provide when a crawlspace or attic has reached that point. For the full picture of connected services, the services overview is a good place to start.

Rodent Exclusion for Residential and Commercial Properties

The majority of our rodent exclusion work is in single-family homes across King County, Snohomish County, Pierce County, Thurston County, and Island County. Pre-1990 construction is especially common in our call volume, but newer homes are not immune — settling, landscaping changes, and aging vents create entry points in homes of any age.

With roughly 53 in-house employees, we also have the capacity to serve apartment buildings, homeowner associations, and commercial properties on a schedule that works for property managers. Details on that side of our work are available on our commercial property services page. The same in-house crews handle commercial work — there's no difference in quality or accountability based on property type.

Trusted by Nearly 25,000 Pacific Northwest Homeowners

American Crawlspace & Pest Services has been operating in the Puget Sound region since 1995. That's nearly three decades of work in the specific climate, housing stock, and pest conditions of this region — not a national template applied locally.

The 4.9-star Google rating with hundreds of five-star reviews wasn't built through a review campaign. Those are homeowners who went looking for a place to share their experience. The overall satisfaction rating across review platforms sits at 4.8 out of 5.

The team that shows up is the team that has stayed. Management averages more than 8 years with the company; many crew members have been here 5 years or more. That longevity shows up in the quality of the work, in how problems are identified, and in how the company handles situations that don't go exactly as planned.

Contractor License: #AMERICC911J8. Fully licensed, locally owned, and accountable to the communities we've served for nearly 30 years.

Related Services

• Crawlspace & Attic Cleanup
• Crawlspace & Attic Insulation
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if I have a rodent problem in my crawlspace or attic?

The clearest sign is sound: scratching, scurrying, or gnawing, usually at night when the house is quiet. Beyond that, look for droppings along walls or in the crawlspace, insulation that appears flattened, shredded, or soiled, and any visible gaps where pipes or vents meet the foundation or exterior walls. A free on-site inspection is the most reliable way to know for certain — our technicians assess entry points, nesting areas, and the extent of any damage so you have an accurate picture rather than a guess.

What's the difference between rodent exclusion and regular pest control?

Standard pest control typically focuses on eliminating active rodents through traps or bait, without addressing how they got in. Rodent exclusion goes further: we seal the entry points so new rodents can't follow the same paths, clean and sanitize the contaminated space, and monitor the property over time to confirm the problem stays resolved. American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies in this market — which means we're equipped to do both sides of that work legally and thoroughly, not just one or the other.

Does the Lifetime Rodent Guarantee really cover both materials and labor?

Yes. If rodents damage new insulation while you're enrolled in our ongoing monitoring program, we replace the insulation and perform the labor to reinstall it at no cost to you. Most industry warranties cover materials only, and many include dollar caps or expiration dates. Ours doesn't work that way. The monitoring requirement is what sustains the exclusion over time, and it's what makes a genuine lifetime promise possible rather than a marketing phrase.

How long does rodent exclusion take from inspection to completion?

The timeline depends on the size of the home and the extent of the infestation and contamination. A typical single-family home inspection takes one to two hours. Exclusion and trapping work, cleanup, sanitization, and insulation replacement are usually scheduled as a coordinated sequence over a short period. Once the initial work is complete, the one-year monitoring period begins. During your free inspection, the technician will give you a specific timeline based on what they find — contact us to schedule that visit.

Can rodent exclusion work be done in a commercial or multifamily building?

Yes. American Crawlspace & Pest Services handles rodent exclusion in apartment buildings, HOA-managed properties, and commercial crawlspaces across King, Snohomish, Pierce, Thurston, and Island counties. With approximately 53 in-house employees, we have the scheduling capacity to work around tenant occupancy and property management requirements. The same trained, vetted in-house crews perform commercial work — not a separate subcontracted team.

Home › Services › Vapor Barrier Installation

Vapor Barrier Installation for Crawlspaces in the Pacific Northwest

Is Moisture Creeping Into Your Crawlspace?

You might notice it as a musty smell that never quite goes away, or floors that feel colder and softer than they used to. Maybe you've spotted condensation on exposed pipes, seen wood that looks discolored or warped, or found yourself sneezing more inside your own home. These are the signs that something is happening in the space beneath your feet, and the cause is usually ground moisture rising through an unprotected crawlspace floor.

The Pacific Northwest makes this problem harder to ignore than almost anywhere else in the country. Wet winters, rain-saturated soil, and the clay-heavy ground common throughout King, Snohomish, Pierce, and Thurston Counties create conditions where ground moisture is always present and always looking for somewhere to go. Without a proper vapor barrier across the crawlspace floor, that moisture evaporates upward into the structure of your home.

The question homeowners most often ask is: "What's actually happening under my house that I can't see?" A vapor barrier installation is the foundational answer to that question. It stops ground moisture at its source before it can affect your insulation, your floor joists, your indoor air quality, or your heating bills. If your crawlspace floor is unprotected or covered by deteriorated, torn, or missing plastic sheeting, this page covers what you need to know.

Call American Crawlspace and Pest Services at [Needs your input: confirm main phone number] to schedule your free crawlspace inspection, or request an appointment online. The team serves homeowners throughout King, Snohomish, Pierce, and Thurston Counties with honest assessments, no obligation, and no upsell pressure. You'll know exactly what was found and exactly what it means before any decision is made.

Why Crawlspace Vapor Barrier Installation Matters in Our Region

Ground moisture doesn't stay in the ground. It evaporates upward through the crawlspace in a process called the stack effect, where warm air inside the living space pulls air up from below. That rising air carries moisture with it, and once that moisture reaches your floor joists, subfloor, and insulation, the damage begins quietly and accumulates over years.

Mold grows in damp wood. Insulation that absorbs moisture loses its ability to resist heat transfer, which means your furnace works harder to keep the floors above comfortable. Wet, dark crawlspaces attract rodents looking for shelter and nesting material. And deteriorating floor structures can become expensive structural repairs if left unaddressed long enough.

Pre-1990 homes in neighborhoods across Seattle, Bellevue, Everett, and Renton frequently have no vapor barrier at all, or a thin, degraded sheet that stopped doing its job years ago. These homes were built before moisture control standards tightened, and many of them have been sitting on unprotected ground for decades. For homes with standing water or drainage concerns that go beyond ground evaporation, our crawlspace moisture control services address those drainage and sump pump needs directly.

The energy connection is worth naming plainly: moisture-saturated insulation loses R-value, which means you're paying to heat a crawlspace instead of your living space. Controlling ground moisture is one of the most direct ways to get your insulation performing as designed, and homeowners who address both moisture and insulation together commonly see energy bill reductions of 20% or more.

Moisture problems, pest problems, and insulation problems don't exist in isolation. A crawlspace that holds moisture is more likely to attract rodents, support mold growth, and degrade insulation simultaneously. That connected reality is why American Crawlspace approaches these as a whole-home system rather than separate individual jobs.

Signs Your Home Needs a New Vapor Barrier

Not every crawlspace problem looks the same from the inside of the house. These are the most common indicators that a vapor barrier inspection is worth scheduling:

• Musty or damp odors inside the home, especially near floors or in closets above the crawlspace
• Visible mold or mildew on floor joists, support beams, or the subfloor
• Cold, soft, or slightly springy floors that weren't always that way
• Torn, bunched, or missing plastic sheeting on the crawlspace floor
• Rodent damage to existing barrier material, including shredded or disturbed sections
• Home built before 1990 with no documented crawlspace work on record
• Recent flooding, drainage issues, or episodes of standing water in or near the crawlspace
• Elevated heating costs that haven't been explained by other changes in the home

A free on-site inspection will confirm whether you need a first-time installation, a full replacement, or something in between. There's no obligation attached to the inspection, and you'll leave knowing exactly what's under your home.

What Our Vapor Barrier Installation Process Includes

Every vapor barrier installation starts with a thorough look at what's already there. Here's how the work unfolds from first visit to final walkthrough.

Step 1: Free On-Site Inspection

A trained technician accesses your crawlspace to assess existing conditions, measure moisture levels, evaluate any prior barrier material, and identify related concerns like mold, damaged insulation, or evidence of pest activity. You'll get a clear, honest picture of what's needed before any work is proposed.

Step 2: Old Barrier and Debris Removal

If a prior vapor barrier is in place, it's removed and disposed of as part of the process. Debris, old insulation fragments, rodent droppings, and other contaminants are cleared from the crawlspace floor before anything new goes in. For homes that need a deeper cleanup, our crawlspace and attic cleanup services cover the full scope of decontamination and sanitization.

Step 3: Surface Preparation

The crawlspace floor is cleared and, where needed, sanitized before the new barrier material is laid. Any standing water is addressed. The goal is a clean, stable surface that allows the barrier to lie flat and seal properly.

Step 4: Barrier Installation

Heavy-duty poly sheeting is installed across the entire crawlspace floor. Seams are overlapped to prevent gaps, and the material is secured at the perimeter walls and around piers to prevent shifting over time. A barrier that bunches up or pulls away from the edges defeats its own purpose, so proper anchoring is a non-negotiable part of the job.

Step 5: Final Inspection and Walkthrough

Before the technician leaves, they review the completed work with you: what was found, what was done, and why each step matters. No customer is left guessing about what happened under their home. Surfaces are protected during the work, and the crawlspace is left clean. Every technician performing this work is trained, vetted, and employed directly by American Crawlspace and Pest Services. No subcontractors enter your home.

Benefits of Professional Vapor Barrier Installation

A properly installed vapor barrier delivers results you'll feel, not just see on an inspection report.

• Ground moisture is blocked at the source before it reaches insulation, wood framing, or the living space above
• Reduced risk of mold growth and wood rot in the floor structure, which protects the long-term integrity of your home
• Your crawlspace insulation performs as designed when moisture is controlled — pairing vapor barrier with crawlspace and attic insulation is one of the most effective energy upgrades available to Pacific Northwest homeowners
• Warmer, more comfortable floors year-round, particularly during the wet months from October through March
• Lower heating costs: up to 20% or more in potential energy savings when moisture is controlled and insulation can do its job
• A dry crawlspace is far less attractive to rodents and insects looking for dark, damp harborage
• Healthier indoor air quality, with fewer mold spores and allergens entering the living space through the stack effect
• Long-term structural protection for floor joists and the subfloor

Types of Properties and Crawlspaces We Service

Vapor barrier work isn't one-size-fits-all. The crawlspace under a 1960s craftsman in Kirkland has different conditions than a newer townhome in Auburn or a commercial building in Everett. American Crawlspace works across a wide range of property types and situations.

• Single-family homes throughout King, Snohomish, Pierce, and Thurston Counties
• Older homes built before 1990 with original or missing vapor barriers, including those in Seattle, Bellevue, Renton, Lynnwood, Bothell, Edmonds, and surrounding communities
• Homes coming out of rodent remediation that need barrier replacement after damage to existing material
• Properties that have experienced flooding, drainage events, or recurring standing water
• Commercial properties and multifamily housing: our commercial property services extend vapor barrier and crawlspace work to larger-scale buildings
• Homes combining vapor barrier installation with insulation, mold remediation, drainage, or pest control work as part of a coordinated whole-home approach

Why Homeowners from Marysville to Issaquah Choose American Crawlspace

American Crawlspace and Pest Services has been serving Pacific Northwest homes for over 20 years, working in nearly 25,000 homes across the Puget Sound region. That depth of experience shows up in the details: knowing how clay soils in Snohomish County behave differently than the sandy substrates closer to the water, understanding which crawlspace conditions are typical for a 1970s split-level in Renton versus a 1980s ranch in Sammamish, and knowing what to look for because the team has seen it all.

This company is 100% locally and family owned. The people making decisions about how your home is treated are the same people who live and work in these communities. There are no outside investors setting policy from a distance, and no franchise playbook written for a different region.

Every technician who enters your home is employed directly by American Crawlspace. In-house hiring and training is the only way to stand behind the quality of work with confidence, and it's why a lifetime guarantee on rodent damage to new insulation is something this company can actually honor. The management team averages 8 or more years with the company, and many crew members have been here five years or longer. With approximately 53 employees, the operational scale here is substantial compared to smaller or newer crawlspace operations in the region.

The Google rating sits at 4.9 stars with hundreds of five-star reviews, and that reputation reflects service quality, not a marketing campaign. Licensed contractor number AMERICC911J8. Free on-site inspections with no pressure and no obligation. Financing available for qualified customers.

You can review the full range of work this team handles at the services page, including everything from moisture control to pest exclusion to insulation installation.

Related Crawlspace Services from American Crawlspace and Pest Services

Moisture, insulation, and pest problems are connected. Addressing one while ignoring the others leaves the job incomplete. These services are frequently combined with vapor barrier installation for homeowners who want a fully protected crawlspace.

• Crawlspace and Attic Cleanup: old barrier removal, rodent dropping cleanup, debris clearing, and sanitization with neutralizing enzyme treatment
• Crawlspace and Attic Insulation: subfloor insulation installation after moisture is controlled, including formaldehyde-free fiberglass batts installed to R30
• Crawlspace Moisture Control: sump pump installation, crawlspace drainage systems, and standing water solutions for homes with active water intrusion
• Commercial Property Services: vapor barrier and full crawlspace services for commercial buildings and multifamily housing

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace and Attic Insulation
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How long does a crawlspace vapor barrier installation take?

Most residential vapor barrier installations are completed in a single day. The exact time depends on the size of the crawlspace, whether old barrier material needs to be removed first, and whether any surface preparation or sanitization is required before the new material goes in. During the free inspection, the technician will give you a realistic timeframe based on your specific crawlspace conditions.

What thickness or type of vapor barrier does American Crawlspace install?

Heavy-duty poly sheeting is used, with thickness selected based on the conditions found during inspection. Thicker material performs better in crawlspaces with rough ground surfaces, debris history, or pest pressure, since it's harder to puncture and maintains its seal longer. The installation method matters as much as the material: seams are overlapped and the barrier is anchored at perimeter walls and piers to prevent shifting, which is where many lower-quality installations fail over time.

Can a vapor barrier be installed at the same time as crawlspace insulation?

Yes, and combining both services in a single project is one of the most effective ways to improve comfort and reduce heating costs. Moisture control and insulation performance are directly connected: insulation that sits above a damp, unprotected ground surface absorbs moisture and loses its ability to resist heat transfer. Installing the vapor barrier first creates the dry conditions that allow crawlspace insulation to perform at the R-value it's rated for. The inspection will identify whether both services are needed and in what order.

My crawlspace already has plastic sheeting on the floor. Does it still need to be replaced?

It depends on the condition of the existing material. Plastic sheeting that is torn, bunched, pulled away from the walls, saturated, or degraded from age is no longer providing meaningful moisture protection. Older installations often used thinner material than is currently standard, and sheeting that has been disturbed by rodents or accumulated debris may leave significant portions of the ground exposed. The free inspection will assess the existing material honestly and tell you whether it can stay, needs partial repair, or requires full replacement.

Is a vapor barrier the same as crawlspace encapsulation?

They're related but not identical. A vapor barrier covers the crawlspace floor to block ground moisture from evaporating upward into the structure. Full crawlspace encapsulation typically extends barrier material up the foundation walls and may include sealing vents and adding dehumidification, creating a more controlled environment throughout the crawlspace. American Crawlspace can explain what your specific crawlspace conditions call for after the free inspection, and will recommend only what your home actually needs.

Home › Services › Sump Pumps & Crawl Drainage

Sump Pumps & Crawl Drainage for Pacific Northwest Homes

Water in Your Crawlspace Is More Than an Inconvenience

That damp, earthy smell coming up through your floors. Standing water pooling after a heavy November rain. White mineral stains creeping up your foundation walls. If any of that sounds familiar, you already know something is wrong — you just may not know how serious it has become.

Pacific Northwest winters are relentless. Across King County, Snohomish County, Pierce County, and Thurston County, homes sit on soils that can become saturated for months at a time. A crawlspace without a working drainage system isn't just uncomfortable — it's a slow deterioration in progress. Wet soil wicks moisture into wood framing. Saturated insulation loses its thermal performance. Persistent dampness creates exactly the conditions that mold, rot, and rodents are looking for.

The good news: these problems are solvable. A free on-site inspection is the first step, and there's no obligation attached to it. A technician will look at what's actually happening under your home and give you an honest picture of what it will take to fix it.

Call American Crawlspace & Pest Services at [Needs your input: main phone number] to schedule your free crawlspace drainage inspection, or request an assessment online. The team serves homeowners throughout King County, Snohomish County, Pierce County, Thurston County, and Island County.

Signs Your Crawl Drainage System Needs Attention

• Standing or pooling water visible in the crawlspace after rainfall
• A musty or earthy odor rising through your floors or coming through HVAC vents
• Cold, damp floors even after insulation has been installed or replaced
• Visible mold growth, white mineral deposits (efflorescence), or rust staining on foundation walls or posts
• An existing sump pump that runs constantly, makes grinding or clicking sounds, or hasn't been inspected in over a year
• A vapor barrier that is waterlogged, torn, or pushed out of position — a sign the moisture control system beneath your home is no longer doing its job

Any one of these is worth investigating. Several of them together point to a drainage problem that will get worse before it gets better on its own.

What Our Sump Pump & Crawl Drainage Services Include

Every job starts with the free inspection — no charge, no pressure. A trained technician assesses water entry points, soil saturation levels, the condition of any existing pump, and how water is currently moving through your crawlspace. From there, the scope is built around what your home actually needs, not a one-size package.

Services available include:

• Sump pump installation: Sizing and placement matched to your home's specific water load and crawlspace footprint, not an off-the-shelf guess
• Interior crawlspace drainage channels: Perimeter drainage systems that intercept groundwater and direct it to the sump basin before it can saturate soil or touch your insulation
• Sump pump replacement and upgrade: Swapping out failed or undersized units with properly rated pumps built for Pacific Northwest rainfall volumes
• Annual sump pump inspection: Included as part of the lifetime warranty program — float switch, discharge line, basin condition, and pump operation all checked on schedule
• Coordination with related work: If water has already reached your crawlspace insulation or caused contamination, those repairs are scoped and scheduled alongside the drainage work so nothing is left half-addressed

How the Crawl Drainage Installation Process Works

Putting in a sump pump without understanding where the water is coming from is a shortcut that fails. The process here is built around diagnosis first.

Step 1: Inspection and Diagnosis

The technician identifies the source of the moisture — surface water intrusion, rising groundwater, a slow plumbing leak, or condensation from temperature differentials — before any recommendation is made. The solution has to match the actual problem.

Step 2: System Design

Sump pump capacity, drainage channel routing, and basin placement are selected based on your crawlspace dimensions and the volume of water observed. Homes in Issaquah or Marysville with clay-heavy soils face different drainage demands than a house on a Bellevue hillside — the design accounts for that.

Step 3: Installation

The crew installs drainage channels, sets the basin, connects the pump and discharge line, and confirms the system is operating correctly before leaving the property. You're not left to wonder if it works.

Step 4: Moisture Protection Coordination

If water damage has affected your vapor barrier or insulation, those repairs are scoped as part of the same visit. Addressing drainage without repairing what the water damaged leaves the job incomplete — the connection to crawlspace moisture control is part of how we approach every water-related project.

Step 5: Walkthrough and Documentation

Before the crew leaves, a technician walks you through what was installed, where the discharge line exits, and what signs would indicate the system needs service. Surfaces are protected throughout, debris is removed, and the crawlspace is left cleaner than it was found.

Benefits of Proper Crawl Drainage — Beyond a Dry Crawlspace

A functioning sump pump and drainage system does more than keep water out of sight. The downstream effects reach into your energy bills, your air quality, and the long-term condition of your home's structure.

• Preserved insulation performance: Wet insulation loses its R-value. When drainage and moisture control work together, energy savings of up to 20% or more on heating costs become achievable and stay achievable
• Extended structural life: Removing the moisture that feeds wood rot protects floor joists, beams, and fasteners from the slow deterioration that wet crawlspaces accelerate
• Improved indoor air quality: Crawlspace air migrates into your living spaces. Drying that air out reduces airborne mold spores and the musty odor that makes its way through your floors and vents
• Protection for new insulation: A drainage system is the foundation that makes new insulation worth installing. Without it, replacement insulation faces the same fate as what it replaced
• Lifetime warranty coverage: The annual sump pump inspection included in the lifetime warranty program means your system is checked on a schedule — not ignored until something fails

Homeowners across Everett, Auburn, Edmonds, Shoreline, and throughout the region deal with wet winters every year. A properly installed drainage system means those winters stop being a source of worry about what's happening under the floor.

Why Homeowners Across the Puget Sound Region Choose American Crawlspace

Since 1995, American Crawlspace has worked in and under nearly 25,000 Pacific Northwest homes. That's a lot of crawlspaces, a lot of soil types, and a lot of wet winters — which means the technicians here have seen how water behaves under homes across King County, Snohomish County, Pierce County, and Thurston County in ways that only come from decades of local work.

The 4.9-star Google rating with hundreds of five-star reviews reflects a consistent experience: crews who show up prepared, explain what they found in plain language, and don't leave until the work is done right. Every technician is trained, vetted, and employed directly by American Crawlspace — contractor license #AMERICC911J8. There are no subcontractors walking through your home, which is the only way to stand behind a lifetime guarantee with any real confidence.

American Crawlspace is family-owned and locally operated. The people making decisions about how your home is serviced live and work in this region. With a team of approximately 53 employees, there's operational depth here that smaller operators can't offer — without the private-equity ownership structure that shifts priorities away from service quality.

Sump pumps don't exist in isolation. Water in a crawlspace affects insulation, vapor barriers, mold conditions, and pest behavior. The full range of crawlspace and attic services here is built around that connected picture — so a drainage solution is designed to work alongside everything else happening under your home, not just address one symptom.

Crawl Drainage for Commercial and Multifamily Properties

Crawlspace water problems aren't limited to single-family homes. Multifamily buildings, mixed-use properties, and commercial structures across King County and Snohomish County face drainage challenges that standard residential systems aren't sized to handle.

American Crawlspace has experience with the larger footprints, higher water volumes, and coordination requirements that come with commercial crawlspace work. If you manage a property with moisture issues under a crawlspace, the commercial property services page covers the full scope of what's available for non-residential projects.

Get Your Free Crawlspace Drainage Inspection

If you've noticed any of the warning signs described on this page — or if you just have a sense that something isn't right under your home — a free, no-obligation inspection is the practical next step. No pressure, no sales tactics. Just an honest assessment of what's happening and what it would take to fix it.

Financing options are available for qualified customers, so cost doesn't have to be a barrier to getting the drainage system your home needs before another wet season arrives.

Related Services

• Crawlspace Moisture Control
• Crawlspace & Attic Cleanup
• Crawlspace & Attic Insulation
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if I need a sump pump or just a vapor barrier in my crawlspace?

It depends on where the water is coming from. A vapor barrier addresses moisture that evaporates up from bare soil — condensation and ground humidity. A sump pump is needed when liquid water is actually entering the crawlspace, whether from surface runoff, rising groundwater, or saturated soil pressing in through the foundation perimeter. Many Pacific Northwest homes need both: the sump pump handles active water intrusion, and the vapor barrier manages residual ground moisture after the standing water is gone. The free inspection is the best way to distinguish between the two — a technician can identify the water source and recommend the right combination for your specific situation.

How often does a crawlspace sump pump need to be inspected or replaced?

Annual inspection is the standard for Pacific Northwest homes, given how hard pumps work during wet winters in Snohomish County, King County, and surrounding areas. During an inspection, the float switch, discharge line, basin condition, and pump operation are all checked. Most pumps last 7 to 10 years under normal conditions, but a unit that runs constantly during peak rain season may wear faster. The lifetime warranty program through American Crawlspace includes an annual sump pump inspection, so enrolled customers have that checkup built into their service schedule automatically.

Will a sump pump solve my crawlspace moisture problem completely, or do I need other work done too?

A sump pump solves the liquid water problem — it removes water that has entered the crawlspace and prevents it from pooling. But moisture in a crawlspace has multiple sources, and a pump alone doesn't address all of them. If the vapor barrier is damaged or missing, ground moisture will continue to evaporate into the space even after standing water is removed. If insulation was saturated, it needs to be replaced to restore its thermal performance. And if mold growth has already taken hold, that requires its own remediation. The goal at American Crawlspace is to assess the full picture during the inspection and make sure the drainage solution is supported by whatever other work the crawlspace actually needs — so you're not solving one layer of the problem while another continues underneath it.

Does American Crawlspace offer a warranty on sump pump installation, and what does it cover?

Yes. Sump pump installation is backed by a lifetime warranty program that includes an annual inspection of the pump, float switch, discharge line, and basin. The inspection is included as part of enrollment — you're not paying extra each year to maintain coverage. The warranty is designed to give homeowners confidence that the system will be monitored and addressed if something changes, rather than leaving you to notice a problem yourself after the next wet season. Licensed contractor #AMERICC911J8 stands behind that commitment.

Can water in my crawlspace damage my insulation, and do I need to replace it?

Yes — water damages insulation directly and often quickly. Fiberglass insulation batts absorb moisture, and once saturated they lose their R-value, meaning they stop doing the job of keeping your floors warm and your energy bills manageable. Wet insulation also becomes a host for mold growth and, in some cases, an attractant for rodents looking for nesting material. Whether replacement is needed depends on how long the insulation has been wet and how saturated it is. During the free inspection, the technician will assess the insulation condition alongside the drainage system and give you a straightforward answer about whether replacement is necessary — not a default recommendation to replace everything.

Home › Services › Duct Sealing & Insulation

Duct Sealing & Insulation Services in the Puget Sound Region

Is Conditioned Air Escaping Before It Reaches Your Rooms?

You've already replaced the furnace filter. You've turned up the thermostat. The heating system runs almost constantly through a Puget Sound winter, and yet the back bedroom never quite warms up, the floors feel cold, and the energy bill keeps climbing. That frustration is more common than most homeowners realize, and leaky or uninsulated ducts are the reason behind it more often than any other single cause.

Duct systems move conditioned air from your furnace or heat pump through your home. When those ducts have gaps at the joints, loose connections, or no insulation wrap around runs that pass through a cold crawlspace or attic, a significant share of that heated or cooled air never reaches the rooms you're paying to condition. It bleeds out into spaces that don't need it, and your HVAC system works harder to compensate.

Many homes built before 1990 across King, Snohomish, Pierce, and Thurston Counties were constructed with duct systems that were never properly sealed to begin with. Standards simply weren't enforced the way they are today. If your home falls into that category, duct sealing and insulation isn't a luxury upgrade — it's the missing piece of a whole-home energy solution. Our full range of crawlspace and attic services addresses this and the connected problems that go along with it.

Call American Crawlspace & Pest Services at [Needs your input: main phone number] to schedule your free on-site duct inspection. There's no obligation, and you'll get an honest picture of what's happening in your duct system and what it means for your comfort and energy bills. Financing is available for qualified customers. You can also request an appointment online — we serve homeowners throughout Seattle, Everett, Bellevue, Kirkland, Renton, Bothell, Edmonds, Shoreline, Sammamish, Issaquah, Marysville, Auburn, Burien, and communities across King, Snohomish, Pierce, and Thurston Counties. American Crawl, The Team To Call.

Signs Your Home Needs Duct Sealing & Insulation

Uneven heating or cooling from room to room

If some rooms are comfortable while others stay stubbornly cold in winter or warm in summer, that imbalance often points to conditioned air leaving the duct system before it arrives. Rooms at the end of long duct runs are especially vulnerable when leakage is occurring along the way.

Energy bills that spike without explanation

When your usage habits haven't changed but your heating or cooling costs keep rising, the system is working harder than it should. Leaky ducts force your furnace or heat pump to run longer cycles to compensate for what's being lost in transit.

Dusty or musty air coming through the vents

Ducts that run through a crawlspace can pull in crawlspace air when they have leaks. That means the air reaching your living space may carry moisture, allergens, rodent debris, or mold spores from below the floor. Sealed ducts stop that pathway entirely.

Exposed duct runs with no insulation wrap

If a technician can see bare metal ductwork in your crawlspace or attic, heat is transferring directly between the duct and the surrounding unconditioned air. In a cold Pacific Northwest crawlspace, that means warm air is cooling before it ever reaches the floor registers.

Home built before 1990

Pre-1990 construction is one of the most reliable indicators that duct sealing has never been done. If any of this sounds familiar, you're not alone — it's one of the most common and most overlooked energy problems we find under Puget Sound homes. Here's what our process looks like when we address it.

What Our Duct Sealing & Insulation Service Includes

Step 1: Free on-site inspection

A trained technician visits your home, evaluates the condition of your duct system, and identifies where leakage or missing insulation is occurring. We check joints, connections, and penetrations throughout the duct runs in both the crawlspace and attic. You get an honest assessment of what we find before any work begins.

Step 2: Duct sealing

Sealing ducts means closing every gap, joint, and penetration in the duct system so that conditioned air stays inside the ducts and reaches the rooms it's meant to serve. In plain terms, we're stopping the air from sneaking out into your crawlspace or attic before it gets to your floor registers or ceiling vents. This is the foundation of the entire service.

Step 3: Duct insulation wrap

Once the duct system is sealed, exposed duct runs through unconditioned spaces get wrapped with insulation. This prevents heat from transferring between the duct and the cold crawlspace or attic air surrounding it — so the air that makes it through the sealed duct actually arrives at the right temperature. Paired with the crawlspace and attic insulation work we do throughout the region, this step is where homeowners often feel the biggest difference in room-to-room comfort.

Step 4: Inspection sign-off and rebate documentation

Our PSE- and PUD-certified technicians document the completed work to the standards required by each utility rebate program. We facilitated over $3 million in utility rebates for customers last year, and that number reflects how seriously we take the documentation step. You won't be left guessing what forms to file or whether the work qualifies. Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace — no subcontractors, no gaps in accountability.

Benefits of Duct Sealing & Insulation for Puget Sound Homeowners

The practical difference a properly sealed and insulated duct system makes shows up in several ways at once:

• Energy bills can drop by up to 20% or more once conditioned air stops leaking into unconditioned spaces.
• Room temperatures even out because air is reaching its intended destination instead of bleeding out along the way.
• Indoor air quality improves because sealed ducts no longer pull in crawlspace air, allergens, or moisture from below the floor.
• HVAC equipment runs fewer cycles to achieve the same comfort level, reducing wear and extending the life of the system.
• Year-round comfort improves: warmer floors in winter, cooler rooms in summer.

Qualifying work is eligible for rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. American Crawlspace is a registered, approved contractor with both PSE and Snohomish PUD — meaning the work we do qualifies for those programs and we're equipped to document it correctly.

Duct sealing also works best as part of a broader approach. Addressing crawlspace moisture alongside duct work means you're not sealing ducts that will later sit in a damp, humid environment — which can affect both the sealing materials and the air quality benefits you're working toward.

PSE & Utility Rebates for Duct Sealing Work

What rebates are available?

Several Washington State utility programs offer rebates for duct sealing and insulation work. Puget Sound Energy (PSE) and Snohomish County PUD both run active rebate programs. Tacoma Power and Cascade Natural Gas customers may also have access to incentives depending on their utility. The amounts vary by program and project scope, but these rebates are real money that can offset a meaningful share of the project cost.

Why your contractor choice matters for rebates

To qualify for most utility rebate programs, the work must be performed by a registered, approved contractor. Not every crawlspace or duct contractor in the region qualifies. American Crawlspace is certified with both PSE and Snohomish County PUD, which means the work we perform is eligible and the documentation meets program standards. Choosing a contractor who isn't registered with your utility can cost you the rebate entirely.

We handle the paperwork

Our technicians document completed work to the exact standards each utility program requires. We facilitated over $3 million in utility rebates for customers last year — nobody in the region processes more. You don't have to navigate program requirements, measure documentation, or wonder whether you filled out the right form. We take care of it as part of the job, so you capture every rebate dollar you've earned.

Why Duct Work Is Part of a Whole-Home Solution

Moisture, pests, and energy loss are connected problems, and treating them as separate issues usually means one undoes progress on another. A duct system sitting in a wet, uncontrolled crawlspace environment faces compounding problems: leaky ducts pull in damp crawlspace air, and that moisture works against insulation performance. Addressing crawlspace moisture control alongside duct sealing produces results that actually hold.

In many homes we work in, insulation removal and replacement happens at the same time as or just before duct sealing. Contaminated or compressed insulation can't do its job regardless of how well the ducts are sealed. Our crawlspace and attic cleanup service handles that step — removing old material, sanitizing the space, and preparing it for new work that performs correctly from day one.

For commercial properties with more complex duct systems or larger square footage, we offer the same approach through our commercial property services. Multi-family housing, retail, and light commercial buildings have the same duct leakage problems at greater scale.

We don't just seal your ducts and leave. We look at the whole picture because that's the only way to get results that last. The full scope of what we do is covered on our services page.

What Sets American Crawlspace & Pest Services Apart

American Crawlspace has been serving Pacific Northwest homeowners since 1995 — nearly 30 years of working under the homes, in the attics, and through the crawlspaces of the Puget Sound region. That tenure means we've seen the full range of duct conditions that older housing stock in King, Snohomish, Pierce, and Thurston Counties produces.

Nearly 25,000 homes served in the Pacific Northwest reflects operational experience that's hard to replicate. Our Google rating stands at 4.9 stars with hundreds of five-star reviews — earned through the quality of individual jobs, not marketing.

Every technician who enters your home is employed by us. No subcontractors. That's the only way we can stand behind our work with confidence and maintain the consistency that certification programs require. We're PSE and Snohomish County PUD certified, and we're one of the region's leading rebate partners by volume.

American Crawlspace is 100% locally and family owned. The people making decisions about how your home is treated are the same people who live and work in this community. Contractor License #AMERICC911J8. Financing options are available for qualified customers who need to spread the cost of a larger project.

Related Services

• All Crawlspace & Attic Services
• Crawlspace & Attic Insulation Installation
• Crawlspace Moisture Control
• Crawlspace & Attic Cleanup
• Commercial Property Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if my ducts are leaking and wasting energy?

The most common signs are rooms that never reach the right temperature, energy bills that climb without any change in usage, and dusty or musty air coming through the vents. A free on-site inspection is the most reliable way to confirm leakage — our technicians check every joint, connection, and penetration in the duct system and can show you exactly where conditioned air is escaping. Many homeowners in pre-1990 homes across King, Snohomish, Pierce, and Thurston Counties discover that duct leakage has been the underlying cause of comfort and billing problems they've dealt with for years.

Does duct sealing qualify for PSE or utility rebates in Washington State?

Yes. Duct sealing and insulation work qualifies for rebates through several Washington utility programs, including Puget Sound Energy, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. The key requirement is that the work be performed by a registered, approved contractor — American Crawlspace is certified with both PSE and Snohomish PUD, so the work we do qualifies. We handle the documentation our technicians produce the records each utility program requires, and we facilitated over $3 million in utility rebates for customers last year.

How long does duct sealing and insulation work typically take?

[Needs your input: confirm typical project duration for a standard single-family home duct sealing and insulation job]. The timeline depends on the size of the duct system, how accessible the crawlspace and attic are, and whether cleanup or insulation removal is needed before the sealing work begins. Your technician will give you a realistic time estimate after the free on-site inspection.

Is duct sealing a standalone service or does it need to be done with other work?

Duct sealing can be done as a standalone service, but it works best alongside related improvements. If the crawlspace has moisture problems, addressing those at the same time means the sealed ducts stay in a controlled environment rather than sitting in damp conditions. If old or contaminated insulation is present, removing and replacing it before sealing produces better overall results. We look at the whole picture during the free inspection and explain honestly which combination of services will give you the most durable outcome — you can explore the full range of options on our crawlspace and attic insulation page.

Home › Services › Mold Remediation

Mold Remediation for Crawlspaces and Attics

What Mold in Your Crawlspace or Attic Actually Means

Most homeowners don't discover mold by looking for it. They notice a musty smell that never quite goes away, or an inspector flags something during a home sale, or the heating bills climb without explanation. Then someone looks under the house or into the attic and finds it: dark staining across the joists, fuzzy growth on the sheathing, or a crawlspace that smells damp even in July.

Mold in Pacific Northwest homes is not rare. The mild, wet climate across King County, Snohomish County, Pierce County, and Thurston County creates conditions where moisture builds up in enclosed spaces. Crawlspaces with inadequate moisture control and attics with poor ventilation are especially vulnerable. Once spores establish, they spread across wood framing, subflooring, and insulation if the underlying moisture source isn't addressed at the same time.

This page explains what our mold remediation process involves, when it's needed, and how it connects to the other moisture and insulation issues often found in the same spaces.

Have questions about mold in your crawlspace or attic? Call American Crawlspace and Pest Services at [Needs your input: main phone number] to schedule a free on-site inspection with no obligation. The team serves homeowners and property managers throughout King County, Snohomish County, Pierce County, Thurston County, and Island County. You can also contact us online to request a visit.

Signs You May Need Mold Remediation

You don't need to see mold directly to have a problem. These are the situations that most commonly lead homeowners to call us:

• A persistent musty or earthy odor coming from floor vents, the crawlspace access hatch, or the attic
• Visible dark staining or fuzzy growth on wood framing, subfloor panels, or attic sheathing
• A home inspector's report noting active or historical mold growth
• Condensation on windows or walls during cooler months, suggesting elevated indoor humidity
• A crawlspace that shows standing water, a failed vapor barrier, or signs of past flooding
• Contaminated insulation that has been disturbed by rodents or moisture intrusion

If you're already dealing with wet or damaged insulation, our crawlspace and attic cleanup service often runs alongside remediation, since contaminated material needs to come out before any mold treatment or reinstallation can happen.

What Our Mold Remediation Process Includes

Mold remediation is not a single step. Spraying a surface without addressing the moisture source, the affected materials, and the air quality in the space will not produce a lasting result. Here is how we approach each job:

Inspection and Assessment

Every project starts with a free on-site inspection. We document the extent of visible mold growth, identify the moisture source driving it, and check the condition of insulation, vapor barriers, and structural wood. This assessment shapes everything that follows.

Contaminated Material Removal

Insulation that has absorbed mold or moisture is removed first. We use high-power vacuum equipment to pull out damaged material without spreading spores through the rest of the space. Debris is bagged and disposed of properly. If the existing vapor barrier is compromised, that comes out as well.

Surface Treatment and Sanitization

Exposed wood framing and subflooring are treated directly. We apply antimicrobial treatment to kill active mold and inhibit regrowth on structural surfaces. This step is documented before we move on, so you know the work was done and where.

Neutralizing Enzyme Application

We finish the cleaned space with a neutralizing enzyme treatment that deodorizes and helps break down organic residue left behind by mold, rodent activity, or moisture damage. Homeowners consistently notice the difference immediately when they open the crawlspace access.

Moisture Source Correction

Treating mold without fixing the moisture source is temporary at best. Depending on what we find, we may recommend a new vapor barrier, drainage improvements, or vent corrections. Our crawlspace moisture control service addresses standing water, failed barriers, and drainage issues that allow mold to return.

Reinstallation and Protection

Once the space is clean, dry, and treated, we reinstall insulation to current standards. For subfloor work, we install R-30 fiberglass batts using formaldehyde-free products made from recycled glass and sand, secured snugly into floor joist cavities. For attics, blown-in insulation is distributed to a minimum depth of 8 to 10 inches with proper venting baffles in place. Details on both options are covered on our crawlspace and attic insulation page.

Why Mold Remediation Requires a Complete Approach

Mold, moisture, pests, and energy loss are connected problems in Pacific Northwest homes. A crawlspace with active mold almost always has at least one of the following: a failed or missing vapor barrier, inadequate drainage, compromised insulation, or gaps in the foundation that allowed moisture-laden air to enter. Treating only the visible mold while leaving the conditions in place means you'll be calling for remediation again in a few years.

We've served nearly 25,000 homes across the Puget Sound region since 1995, and the pattern holds: the homes that stay dry and healthy long-term are the ones where the whole system was addressed, not just the symptom. That's why our remediation work is integrated with moisture control, insulation, and, when needed, rodent exclusion, since rodents create entry points that allow outside air and moisture to enter the space.

For commercial properties and multifamily buildings facing similar challenges, our commercial property services apply the same process at a larger scale.

Benefits of Professional Mold Remediation Done Right

The practical improvements homeowners notice after remediation go beyond air quality. A properly remediated and re-insulated crawlspace or attic affects the whole home:

• Elimination of musty odors that were coming up through floor vents and living spaces
• Reduced indoor humidity and a more comfortable environment year-round
• Protection for structural wood that mold, left untreated, would continue to degrade
• A clean foundation for new insulation, which can reduce heating costs by up to 20 percent or more
• Peace of mind during home sales, inspections, or refinancing that known issues have been properly resolved

New insulation installed after remediation may also qualify for rebates through PSE, Snohomish County PUD, Tacoma Power, or Cascade Natural Gas. We are a registered and approved contractor with those programs and facilitated over $3 million in utility rebates for customers last year. Our team can walk you through what qualifies at the time of your inspection.

Who Performs This Work

Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace and Pest Services. We do not use subcontractors for remediation work. That matters because we can only stand behind the results when we control the process from inspection through reinstallation.

We hold contractor license number AMERICC911J8 and are one of fewer than two WSDA-licensed full-service pest control companies among dozens of competitors in our market. That licensing covers the rodent exclusion work that often accompanies mold remediation, and it means you're working with a company that can address every issue found in one space under one roof.

Our management team averages more than eight years with the company. Some crew members have been here since the early years. That kind of continuity means the person who does your inspection and the crew that performs the work are operating from the same standards, not just matching a checklist.

To see the full range of services we provide, visit our services overview page.

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace Moisture Control
• Crawlspace and Attic Insulation
• All Services
• Commercial Property Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if the mold in my crawlspace is serious enough to need professional remediation?

Any visible mold growth on structural wood or insulation warrants a professional inspection. Surface area and location matter: mold on subfloor joists or attic sheathing that has spread beyond a small isolated patch is typically beyond what a homeowner can safely address with store-bought products, and treating the surface without removing the moisture source will not stop it from returning. A free inspection gives you a clear picture of the extent of the problem and what it would take to resolve it properly.

Does mold remediation also fix the moisture problem causing the mold?

Remediation treats the existing mold, but lasting results depend on correcting the moisture source at the same time. In most cases, we identify the source during the inspection and recommend the appropriate moisture control work alongside remediation. That may include a new or repaired vapor barrier, improved drainage, or vent corrections. Our crawlspace moisture control service covers these corrections so the remediated space stays dry after we leave.

Can mold remediation and insulation replacement happen at the same time?

Yes, and it's the most efficient approach. Contaminated insulation is removed as part of the remediation process, so the space is already clear for reinstallation once treatment is complete. Scheduling both together means less disruption to your home, and the new insulation goes in over a clean, treated surface rather than covering a problem. We handle both services in-house with the same crew, so there's no handoff between contractors.

Will my homeowner's insurance cover mold remediation?

Coverage depends on your specific policy and the cause of the mold. Mold resulting from a sudden covered event, like a burst pipe, is more likely to be covered than mold that developed gradually from ongoing moisture issues. We recommend contacting your insurance provider directly before scheduling work. We can document the condition of the space thoroughly during our inspection, which may support your claim.

Do you remediate mold in attics as well as crawlspaces?

Yes. Attic mold is common in Pacific Northwest homes, particularly in homes where bath fans or kitchen exhaust were vented into the attic rather than through the roof, or where insulation blocked soffit vents and trapped moisture-laden air. The remediation process for attics follows the same steps: inspection, removal of contaminated insulation, surface treatment, sanitization, and reinstallation to current depth standards. The same formaldehyde-free blown-in insulation products we use for standard attic upgrades are installed after treatment.

Home › Services › Commercial Crawlspace Services

Commercial Crawlspace Services for Puget Sound Properties

Crawlspace Problems Cost Commercial Properties More Than You Think

Tenant complaints about cold floors. Utility bills that climb every winter. A rodent sighting reported to the front office. A musty odor that nobody can quite locate. For property managers across the Puget Sound region, these aren't isolated nuisances — they're symptoms of what's happening in the crawlspace below.

Crawlspace problems compound quietly. Rodent activity damages insulation and introduces contamination. Moisture seeps in and weakens structural materials. Aging or missing insulation lets conditioned air escape, driving up energy costs for every tenant in the building. By the time the problem becomes obvious, the cost of fixing it has grown substantially.

Property managers face real pressure to keep buildings safe, comfortable, and code-compliant. That pressure is magnified when one crawlspace issue affects multiple units, triggers tenant complaints, or creates liability exposure. What these properties need is a contractor who treats commercial work with the same thoroughness and accountability that serious portfolio management demands — not a residential crew handed a larger job.

That's what our commercial property services are built to deliver. Every step, from initial inspection through ongoing monitoring, is designed around the specific demands of commercial and multifamily properties across King County, Snohomish County, Pierce County, Thurston County, and Island County.

Have questions about what's happening under a commercial property you manage? Call American Crawlspace and Pest Services at [Needs your input: confirmed business phone number] to schedule a free, no-obligation on-site inspection. You can also submit an inquiry online and a member of our team will follow up promptly. We serve commercial and multifamily properties across King County, Snohomish County, Pierce County, Thurston County, Island County, and major cities throughout the Puget Sound region. No pressure, no contract required for pest control, in-house crews every time. American Crawl, The Team To Call.

What Our Commercial Crawlspace Services Include

Commercial crawlspace work covers more ground than a single service call. Here is what a full-scope engagement with American Crawlspace and Pest Services typically includes, scaled and sequenced to fit the property's specific needs.

Insulation Removal and Sanitization

Our crews use specialized high-power vacuum equipment to extract contaminated or damaged insulation from crawlspace and attic spaces. That includes rodent droppings, debris, and old moisture barriers. Once the space is cleared, we apply a neutralizing enzyme treatment that deodorizes and sanitizes surfaces — a step many contractors skip entirely. You can read more about our full crawlspace and attic cleanup process to understand what thorough remediation actually looks like.

Subfloor and Attic Insulation Installation

New insulation is installed using formaldehyde-free fiberglass batts made from recycled glass and sand. For subfloor applications, R30 batts are fitted snugly into floor joist cavities and secured properly. Attic applications use blown-in insulation to the correct depth with proper venting baffles maintained. All work is done to the standards required for utility rebate qualification. More detail on materials and installation methods is available on our crawlspace and attic insulation page.

Rodent Exclusion and Pest Control

Our four-step rodent exclusion process covers inspection, sealing of entry points, trapping system installation, cleanup and sanitization of contaminated areas, and ongoing monitoring. New insulation installed under this program carries a lifetime warranty against rodent damage for properties enrolled in our pest monitoring service — materials and labor, no fine print.

Moisture Control, Vapor Barriers, and Drainage

Moisture intrusion is one of the most damaging and least visible crawlspace problems. We install vapor barriers to block ground moisture from entering the space, and where needed, we install sump pump systems with drainage solutions sized for the property. Annual sump pump inspections are included under the lifetime warranty program. For a full breakdown of moisture management options, see our crawlspace moisture control service page.

Duct Sealing and Insulation

Heating ducts that run through unconditioned crawlspace areas lose significant energy when they're not properly sealed and insulated. We seal and insulate ducts to reduce HVAC energy loss — work that qualifies for rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas.

Mold Remediation

When moisture and organic material combine in an enclosed crawlspace, mold follows. Our remediation process removes mold from crawlspace and attic environments and restores those spaces to a safe condition for occupants above.

Types of Commercial Properties We Serve

Our commercial crawlspace work covers a range of property types across the region. Each comes with its own access requirements, tenant considerations, and scope of work.

• Multifamily housing: Apartment buildings, condominiums, and townhome complexes where a single crawlspace issue can affect multiple units and tenant satisfaction at once.
• Commercial office and retail buildings with crawlspace foundations, where occupant comfort and indoor air quality affect daily operations.
• Mixed-use buildings where ground-floor tenants depend directly on crawlspace performance for comfort and temperature regulation.
• HOA-managed communities that need coordinated access, minimal disruption to residents, and clear documentation of completed work.
• Property management portfolios spanning multiple buildings across King County, Snohomish County, Pierce County, Thurston County, and Island County, where a recurring service relationship with a single reliable contractor reduces administrative burden.

Every technician who enters your property is trained, vetted, and employed directly by American Crawlspace and Pest Services. There are no subcontractors. That matters for quality control across a multi-building portfolio, and it's the only way we can stand behind our lifetime guarantee with confidence.

Why Commercial Property Managers Choose American Crawlspace and Pest Services

Property managers have seen enough contractors make promises they can't keep. Here is what actually distinguishes our commercial work.

Nearly 25,000 properties served since 1995. That's not a marketing figure — it's operational depth. Our management team averages more than eight years with the company, and many crew members have been here five years or longer. When you call us for a second property, you're getting the same team, not a new hire.

About 53 employees, all in-house. We don't broker work to outside crews. Every technician is employed, trained, and accountable to us. That scale also means we can coordinate across multiple buildings without scheduling gaps.

One of only two WSDA-licensed full-service pest control companies in this market. Most crawlspace contractors doing rodent exclusion work in this region operate without a pest control license. We hold a Washington State Department of Agriculture pest control license, which means our rodent exclusion work is backed by proper regulatory standing — and our liability as a property manager's contractor is meaningfully lower.

Lifetime rodent guarantee, materials and labor. For commercial properties enrolled in our pest monitoring service, we replace insulation damaged by rodents at no charge — materials and labor — for as long as the property stays on service. No caps, no fine print.

The region's leading utility rebate partner. We work directly with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Last year, we facilitated over $3 million in utility rebates for customers. Our certified technicians handle the rebate paperwork on your behalf. Contractor License #AMERICC911J8.

4.9 stars on Google with hundreds of five-star reviews. That rating reflects work done at real properties, for real clients — not a marketing program.

100% family-owned and locally operated. The people making decisions about your property's crawlspace live and work in this region. We're not owned by outside investors, and our priorities reflect that.

How the Commercial Crawlspace Service Process Works

From first call to ongoing monitoring, here is how a commercial engagement unfolds.

Step 1: Free On-Site Inspection

We assess insulation condition, pest activity, moisture levels, duct integrity, and any visible structural concerns. There's no charge for this inspection and no obligation to move forward. You'll leave the conversation knowing exactly what's happening under your property.

Step 2: Customized Scope and Written Proposal

Every commercial property is different. We write a scope of work tailored to your building's specific needs, including identification of any utility rebate opportunities upfront so you can factor them into your budget planning.

Step 3: Scheduled, Coordinated Service

Our in-house crews work around tenant schedules and property access requirements. Clean work is a non-negotiable standard — no debris left behind, no disruption to occupied units beyond what the work requires.

Step 4: Cleanup, Sanitization, and Documentation

After the work is complete, we apply neutralizing enzyme treatment where applicable, remove all debris, and provide documentation of everything completed. That paper trail matters for property records, HOA reporting, and utility rebate applications.

Step 5: Ongoing Monitoring and Warranty Activation

Lifetime rodent guarantee enrollment and annual sump pump inspection scheduling happen at close of project. You receive a plain-language summary of what was done, what was found, and what the ongoing service covers. Moisture, pests, and energy loss are connected problems — addressing all three under a single contractor relationship is what we call whole-home systems thinking, scaled to commercial properties.

Utility Rebates Available for Commercial Crawlspace Insulation and Duct Work

Commercial property budgets respond to rebates. Qualifying insulation upgrades and duct sealing projects may recover a meaningful portion of project costs through utility programs, and no contractor in this region processes more of that work than we do.

We are registered and approved with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Our certified technicians manage the rebate paperwork directly, reducing the administrative load on your team. Last year, we facilitated over $3 million in utility rebates across our customer base.

Properties that complete qualifying insulation and duct sealing upgrades can reduce energy consumption by up to 20 percent or more. For a multifamily building with high baseline heating costs, that's a figure worth putting in front of ownership. Financing options are also available for qualified commercial customers where upfront project costs need to be phased.

Co-branded materials and badge rights with our utility partners give property managers a way to document and communicate energy improvements to tenants and stakeholders — a tangible benefit that extends beyond the crawlspace itself.

Related Services

• All Services
• Commercial Property Services
• Crawlspace and Attic Cleanup
• Crawlspace and Attic Insulation
• Crawlspace Moisture Control

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

Do you work with property management companies that have multiple buildings across different cities?

Yes, we regularly serve property management portfolios spanning multiple buildings across King County, Snohomish County, Pierce County, Thurston County, and Island County. Our team of about 53 in-house employees — no subcontractors — gives us the scheduling capacity to coordinate across several properties without the quality inconsistency that comes from rotating outside crews. Property managers with multi-building portfolios typically work with a single point of contact on our team, which keeps communication clear and service records organized across every address in the portfolio.

How does the lifetime rodent guarantee work for a commercial or multifamily property?

The lifetime rodent guarantee covers full replacement of insulation materials and labor for any rodent damage that occurs after our exclusion and insulation work, as long as the property is enrolled in our ongoing pest monitoring service. There are no caps on coverage and no fine print exclusions. The guarantee remains active for as long as the property stays on service — which means a multifamily building enrolled today is protected indefinitely, not just for a year or two. This is one of the reasons property managers treating multiple units under one crawlspace find the monitoring enrollment worthwhile.

Can commercial properties qualify for PSE or utility rebates on crawlspace insulation upgrades?

Yes, qualifying commercial insulation and duct sealing projects are eligible for rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, depending on the property's utility provider and the scope of work completed. American Crawlspace and Pest Services is a registered and approved contractor with all four of those programs, and our certified technicians handle the rebate paperwork on your behalf. Last year, we facilitated over $3 million in utility rebates for customers across the region, and we identify rebate opportunities during the initial inspection so they can be factored into the project proposal from the start.

How do you minimize disruption to tenants during crawlspace insulation or pest control work?

Scheduling and access coordination happen before crews arrive on-site. We work around tenant schedules, building access requirements, and any quiet-hour restrictions the property has in place. Our work is confined to the crawlspace and attic — areas tenants don't occupy — which means the daily experience for residents above is typically unaffected. When the job is done, debris is removed, surfaces are cleaned, and a documentation summary is provided so property managers can communicate clearly with tenants or ownership about what was completed and why.

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Industries We Serve Across the Pacific Northwest

One Provider. Every Property Type.

Since 1995, American Crawlspace & Pest Services has worked on nearly 25,000 homes and properties across King, Snohomish, Pierce, Thurston, and Island Counties. Whether you own a single-family home in Kirkland, manage an apartment community in Everett, or oversee an HOA portfolio spanning multiple cities, the team that shows up is the same award-winning crew held to the same standard of care.

That consistency comes from how the company is built. Every technician is a direct employee, trained and vetted in-house. No subcontractors. No outside investors making decisions about your property. The people running daily operations are the same people who live and work in this region, and the management team averages more than eight years with the company. With roughly 53 employees, American Crawl has the scale to handle large multifamily jobs and the focus to treat every single-family home as if it were their own.

For homeowners, property managers, and multifamily operators alike, that translates to one point of contact for crawlspace insulation, rodent exclusion, moisture management, mold remediation, and energy upgrades — all backed by the same lifetime guarantees and utility rebate expertise, regardless of property type.

Ready to talk through your property's needs? Call American Crawlspace & Pest Services at (425) 257-0800 or schedule your free inspection online. The team serves homeowners and property managers throughout King, Snohomish, Pierce, Thurston, and Island Counties — no obligation, no pressure, just a straight answer about what your property needs. Financing options and utility rebates may reduce your out-of-pocket costs significantly.

What Our Industries Include

Single-Family Homeowners

Crawlspace insulation, rodent exclusion, vapor barriers, mold remediation, and energy upgrades for homeowners in Seattle, Bellevue, Kirkland, Renton, Edmonds, Issaquah, and throughout Puget Sound. If you own a home and have questions about what's happening under your floors or above your ceiling, the single-family homeowners page walks through exactly how American Crawl approaches residential work from the first free inspection through long-term monitoring.

Multifamily Housing Properties

Scalable insulation, pest control, drainage, and moisture management for apartment communities, HOAs, and multifamily operators across King, Snohomish, Pierce, Thurston, and Island Counties. Property managers working across multiple buildings need a contractor who can coordinate schedules, document work unit by unit, and meet utility rebate requirements — all of which American Crawl handles routinely. See the full scope on the multifamily housing properties page.

Why Property Owners Across the Region Choose American Crawl

A few things set American Crawl apart from the dozens of crawlspace and pest companies operating in this market.

• Lifetime Rodent Guarantee, materials and labor: As long as you stay on pest service, American Crawl replaces damaged insulation and covers all labor costs. No fine print. No asterisks.
• One of only two WSDA-licensed full-service pest control companies in this market: Most crawlspace contractors do rodent exclusion work without a pest control license. Licensing matters for the quality and legality of the treatment, and American Crawl is one of fewer than two among dozens of local competitors who carry it.
• Region's leading rebate partner: American Crawl facilitated over $3 million in utility rebates last year through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Certified technicians handle rebate paperwork directly, so customers capture every dollar they qualify for.
• 4.9-star Google rating: Hundreds of five-star reviews from homeowners and property managers across Puget Sound, earned through service quality rather than marketing spend.
• Whole-home systems thinking: Moisture, pests, and energy loss are connected problems. American Crawl installs drainage systems, remediates mold, seals venting, air-seals the home envelope, and insulates ducts as part of a coordinated approach rather than treating each issue in isolation.
• No-contract pest control: Through Integrated Pest Management, American Crawl addresses root causes rather than just symptoms. Continued business is earned, not locked in through a contract.
• Financing available: Qualified customers can spread the cost of larger projects, making energy upgrades and full remediation work accessible without delaying needed repairs.

Built for the Pacific Northwest, Not a National Franchise

American Crawlspace & Pest Services is 100% locally and family owned. There are no franchise fees driving up your price, no private-equity ownership changing priorities from one quarter to the next. The company has operated in this region since 1995 and carries Contractor License #AMERICC911J8, with PSE and Snohomish County PUD certified technicians on staff.

That local depth matters in the Pacific Northwest, where the climate creates specific challenges that a generalist contractor may not anticipate. Puget Sound crawlspaces deal with persistent ground moisture, cold winters that drive rodents indoors, and a substantial stock of pre-1990 construction throughout Seattle, Everett, Auburn, Burien, and Marysville — homes where original insulation is often insufficient, degraded, or contaminated. Knowing how these buildings are constructed, where Norway rats typically enter, and how drainage behaves in high-rain years takes years of regional work to develop.

American Crawl also holds co-branded partner status with PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily, giving both residential and multifamily customers preferred access to rebate programs and streamlined utility coordination. To schedule a free, no-obligation on-site inspection for any property type, visit the contact page.

Related Services

• Single-Family Homeowners
• Multifamily Housing Properties
• Schedule a Free Inspection

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

Do you work with both residential homeowners and larger multifamily or commercial properties?

Yes, American Crawlspace & Pest Services serves both single-family homeowners and multifamily housing operators across the Puget Sound region. The same in-house crews, lifetime guarantees, and rebate expertise apply regardless of property type. For multifamily work, the team is experienced in coordinating access across multiple units, documenting work building by building, and meeting the requirements of utility rebate programs through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas.

Can a property management company use American Crawl across multiple buildings in different cities or counties?

Yes. American Crawl regularly works with property managers who oversee buildings in multiple cities and counties across King, Snohomish, Pierce, Thurston, and Island Counties. With roughly 53 employees and nearly 30 years of regional operation, the company has the capacity to schedule and coordinate across a portfolio without requiring each property to be treated as a separate one-off engagement. Rebate paperwork, documentation, and scheduling can all be managed centrally through a single point of contact.

Does the lifetime rodent guarantee apply to multifamily housing as well as single-family homes?

Yes, the lifetime rodent guarantee covers both residential and multifamily properties enrolled in ongoing pest monitoring service. The guarantee covers materials and labor in full, with no fine print and no expiration, for as long as the property remains on pest service. American Crawl is one of only two WSDA-licensed full-service pest control companies in this market, which is part of what makes the guarantee meaningful — the exclusion work is done to a licensed standard, not just a general contractor standard.

How do I know which industry page applies to my property?

If you own or occupy a single home, the single-family homeowners page covers your situation in detail, including how inspections work, what services are typical for Pacific Northwest residential properties, and how rebates apply. If you manage or own an apartment building, HOA, or any property with multiple dwelling units, the multifamily housing properties page is the right starting point. If you're unsure, a free on-site inspection is the simplest way to get a clear picture of what your property needs and which services apply.

Home › Industries › Single-Family Homeowners

Crawlspace & Attic Services for Single-Family Homeowners

What's Really Going on Under Your Home — and Why It Matters

Cold floors on a winter morning. A scratching sound somewhere in the walls at 2 a.m. A heating bill that climbs every year without a clear explanation. A smell you can't quite place. Most homeowners know something is off long before they know what to do about it, and that uncertainty is its own kind of stress.

Single-family homes across the Pacific Northwest face a specific set of compounding problems: moisture that seeps in from below, rodents that find their way through gaps smaller than a quarter, and insulation that was installed decades ago and has been slowly losing its effectiveness ever since. These problems rarely arrive alone. Moisture damages insulation. Damaged insulation invites rodents. Rodents create contamination. Contamination drives up energy loss. Each problem makes the others worse.

Since 1995, American Crawlspace & Pest Services has worked through this cycle with nearly 25,000 homeowners across the Puget Sound region. We're 100% locally and family owned, not a national franchise with a call center in another state. The people making decisions about your home live and work in the same communities you do. Our approach is built around whole-home systems thinking: moisture, pests, and energy loss are connected problems, and treating one while ignoring the others leaves the cycle intact.

A free on-site inspection is the starting point. No obligation, no pressure — just a clear picture of what's happening beneath your home. You can review our full range of crawlspace, attic, pest, and moisture services to understand what the work actually involves before you pick up the phone.

Ready to find out what's happening beneath your home? Call American Crawlspace & Pest Services at [Needs your input: confirmed phone number] to request your free inspection, or contact us online to schedule. The team serves homeowners throughout King, Snohomish, Pierce, and Thurston Counties — including Seattle, Bellevue, Everett, Renton, Kirkland, Bothell, Sammamish, Edmonds, Auburn, Issaquah, Marysville, and surrounding communities.

Why Single-Family Homes in This Region Face Unique Challenges

The Pacific Northwest's sustained rainfall, persistent humidity, and mild winters create conditions that most building materials weren't designed to tolerate indefinitely. Water vapor rises from the soil beneath a home, condenses against cold surfaces, and accumulates in crawlspaces that may go uninspected for years. When moisture levels stay elevated long enough, mold follows, wood softens, and insulation compresses or falls away from the subfloor entirely.

Pre-1990 housing stock, which is common across Seattle, Bellevue, Everett, Kent, Renton, and the surrounding areas, often still has its original insulation. That material may be decades old, compressed under its own weight, saturated with rodent activity, or simply absent in sections where it was never properly installed. Homes built before energy codes tightened rarely have the R-value their owners assume they do.

Crawlspaces in single-family homes are the primary entry point for cold air, moisture, and rodents. The damage that starts there compounds over time in a predictable way: degraded insulation allows cold to transfer through the subfloor, which raises heating costs. Higher moisture levels attract pests. Pests contaminate what insulation remains. Gaps left by pest activity allow more cold air and moisture to enter. Left unaddressed, the cost of correction grows with each season.

When insulation and duct sealing are addressed together, homeowners in this region can see energy bill savings of 20% or more. The fix, though, isn't one service applied in isolation. It's a coordinated approach across insulation, pest control, and moisture management that stops the cycle rather than interrupting it temporarily.

Services We Provide for Single-Family Homeowners

• Crawlspace and Attic Cleanup: Removal of old, damaged, or contaminated insulation; clearing of debris and rodent droppings; sanitization with neutralizing enzyme treatment. Learn about our crawlspace and attic cleanup process.
• Crawlspace and Attic Insulation: Subfloor installation of R30 fiberglass batts secured snugly to the joist cavity; blown-in attic insulation to proper depth with even distribution. All products are formaldehyde-free and made from recycled glass and sand. See our insulation installation options, including rebate-eligible upgrades.
• Rodent Exclusion and Removal: A 4-step process covering inspection, exclusion and trapping, cleanup and sanitization, and ongoing monitoring. New insulation installed as part of this service is protected by our Lifetime Rodent Guarantee — materials and labor, no fine print — for as long as you're enrolled in pest monitoring.
• Crawlspace Moisture Control: Vapor barrier installation, sump pump installation, and crawlspace drainage solutions to stop water intrusion before it damages structure or insulation. Annual sump pump inspection is included with the lifetime warranty program. Review our crawlspace moisture control services.
• Duct Sealing and Insulation: Sealing and insulating heating ducts to reduce HVAC energy loss. This work qualifies for PSE and PUD rebates and is one of the highest-impact upgrades available to homeowners with forced-air systems.
• Mold Remediation: Professional mold removal for crawlspaces and attics, restoring safe, healthy conditions in areas that have sustained moisture damage.

For the complete list of what we offer, visit our full services overview.

What a Typical Single-Family Home Project Actually Looks Like

Homeowners often put off crawlspace and attic work because they don't know what to expect. Here's the honest, step-by-step picture of how a project with American Crawlspace & Pest Services unfolds.

Step 1: Free on-site inspection. A technician visits your home, assesses insulation condition, checks for pest activity, measures moisture levels, and evaluates duct performance. Findings are explained in plain language — what was found, what it means, and what your options are. Nothing is minimized or exaggerated.

Step 2: Written scope of work. You receive a clear, written summary of what needs to be done and why. No pressure, no scare tactics. Take the time you need to decide.

Step 3: Crew arrives. Every technician who enters your home is trained, vetted, and employed by us. We don't use subcontractors. Work surfaces are protected, and no mess is left behind.

Step 4: Cleanup and sanitization. Contaminated insulation, rodent droppings, and debris are removed using specialized high-power vacuum equipment. Affected areas are treated with a neutralizing enzyme to eliminate odor and biological material.

Step 5: New insulation installed. Subfloor insulation is installed to the proper R-value. Vapor barrier and moisture controls are addressed as needed based on what the inspection found.

Step 6: Rodent exclusion. Entry holes are sealed. Trapping systems are installed where pest activity was identified. Your monitoring period begins.

Step 7: Rebate paperwork handled for you. We're a registered and approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. We manage the rebate filing on your behalf — you don't have to navigate the process alone.

Step 8: Customer walkthrough. Before the crew leaves, a technician walks you through everything that was done and explains why each step was taken. You should never feel like work happened under your home that you don't understand.

Why Homeowners Trust American Crawlspace & Pest Services

There are a lot of companies offering crawlspace work in this region. Here's what distinguishes our approach from the typical provider.

Our Lifetime Rodent Guarantee covers both materials and labor — full replacement — for as long as you're on pest service. No asterisks, no caps, no language that dissolves the guarantee when you need it most. We can offer this because our 100% in-house crews are trained and accountable to us directly.

American Crawlspace is one of only two WSDA-licensed full-service pest control companies in this market. Most crawlspace contractors perform rodent exclusion work without a pest control license. We're not one of them. Our Integrated Pest Management approach addresses root causes through exclusion, trapping, and baiting — and we don't lock you into a contract to keep that protection active.

On the energy side, we're a preferred partner of Puget Sound Energy and facilitated over $3M in utility rebates for homeowners last year. Our technicians are PSE and Snohomish County PUD certified, and we hold co-branded materials and badge rights with PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily. Financing is available for qualified customers on work not covered by rebates.

The team behind this work is experienced and stable. Our management averages 8+ years with the company, and a number of crew members have been here since the early years. With roughly 53 employees, we have the operational scale to handle complex projects and the tenure to handle them well. We hold Contractor License #AMERICC911J8 and carry a 4.9-star Google rating built from hundreds of five-star reviews, alongside a 4.8 out of 5 rating across the web.

American Crawlspace is 100% locally and family owned. The people making decisions here are community members, not outside investors, and that shapes how we treat every home we enter.

PSE and PUD Rebates That Reduce Your Out-of-Pocket Cost

Many single-family homeowners who upgrade their insulation or seal their heating ducts qualify for significant utility rebates — money back from their energy provider that directly reduces the cost of the project. The challenge for most homeowners is figuring out which upgrades qualify, which contractors are approved, and how to file the paperwork correctly.

American Crawlspace handles all of that. We're a registered and approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. When your project qualifies, we file the rebate paperwork on your behalf. Last year alone, we facilitated over $3M in utility rebates for homeowners across King, Snohomish, Pierce, and Thurston Counties.

For work that falls outside rebate coverage, financing is available for qualified customers. Visit our crawlspace and attic insulation page for more detail on what rebate-eligible upgrades typically include and how the approval process works.

Related Services for Your Home

Crawlspace and attic work often connects to broader needs. If you own rental properties or small commercial buildings in addition to your primary home, our commercial property services cover multifamily and commercial crawlspace and attic needs using the same standards we apply to residential work.

If moisture is the primary concern, our crawlspace moisture control page covers vapor barriers, drainage solutions, and sump pump installation in detail. For homes with visible contamination or rodent history, our crawlspace and attic cleanup service explains exactly what removal and sanitization involves. The full services overview connects all of these into one place.

Schedule Your Free Home Inspection

A free on-site inspection is the clearest way to understand what's actually happening beneath your home. A technician will assess insulation condition, check for pest activity, measure moisture levels, and explain every finding in plain language before leaving. You'll receive a written scope of work with no obligation to move forward.

When you're ready to act, the lifetime warranty on new insulation and the rebate programs available through PSE, Snohomish PUD, Tacoma Power, and Cascade Natural Gas are both reasons to move sooner rather than later. Contact us to schedule your inspection and get a clear picture of what your home needs.

Related Services

• Crawlspace and Attic Cleanup
• Crawlspace and Attic Insulation
• Crawlspace Moisture Control
• Commercial Property Services
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

How do I know if my crawlspace insulation actually needs to be replaced?

The clearest signs are cold floors despite running heat, a noticeable increase in heating costs over recent winters, or a visible odor coming from vents or floor registers. Insulation in pre-1990 homes is particularly likely to have compressed, absorbed moisture, or sustained rodent damage over the years — problems that aren't visible from inside the house. A free on-site inspection is the most reliable way to assess the actual condition, because a technician can see what's happening beneath the subfloor and explain what the findings mean in plain language before any work is recommended.

Will I qualify for a PSE or PUD rebate on insulation or duct sealing work?

Many single-family homeowners in our service area do qualify, depending on their utility provider and the specific upgrades involved. American Crawlspace & Pest Services is a registered and approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, and we handle the rebate paperwork on your behalf. Last year we facilitated over $3M in utility rebates for homeowners across King, Snohomish, Pierce, and Thurston Counties. The inspection and written scope of work will identify which upgrades qualify, so you'll have a clear picture of potential rebate value before you commit to anything. You can also review our insulation service page for more detail on what rebate-eligible work typically covers.

What does the Lifetime Rodent Guarantee actually cover?

It covers full replacement of both materials and labor — not just materials — for as long as you remain enrolled in our pest monitoring service. There are no caps, no fine-print exclusions, and no clauses that limit coverage to specific types of rodent activity. Most crawlspace companies offer a limited warranty on materials only, and many do rodent exclusion work without a WSDA pest control license at all. Our guarantee is backed by 100% in-house crews, which is the only way we can stand behind it with confidence.

How long does a typical single-family home crawlspace project take?

Most projects are completed in one to two days, depending on the scope of work — insulation removal, sanitization, new installation, and any moisture or pest control components involved. The free inspection and written scope of work you receive beforehand will include a realistic timeline for your specific home. Our crews arrive prepared, protect work surfaces throughout, and do not leave until a technician has walked you through everything that was completed and why.

Home › Industries › Multifamily Housing Properties

Crawlspace & Pest Services for Multifamily Housing Properties

What Multifamily Property Managers Are Really Dealing With

Managing a single-family home is one thing. Managing crawlspace, attic, moisture, and pest problems across a dozen units — often at the same time, with tenants living above the work — is a different challenge entirely. Property managers and HOA boards throughout the Puget Sound region know this pressure well: a rodent sighting in one unit often means activity has been spreading for months. Cold floors in a ground-floor apartment point to insulation that's been wet, compressed, or missing entirely. A musty odor that tenants can't place is frequently a moisture or mold problem in the crawlspace below.

These aren't isolated complaints. They're symptoms of building systems that need coordinated attention. Left unaddressed, they compound. A deferred vapor barrier replacement becomes a structural moisture issue. Ignored rodent entry points become contaminated insulation and habitability code concerns. What could have been a one-building project turns into a portfolio problem.

Our commercial property services are built specifically to handle this kind of scope — multiple buildings, coordinated scheduling, detailed findings reports, and work that's done by in-house crews who are accountable to us, not subcontracted out. The goal is simple: address the problem at its source, document it clearly, and give you a maintenance path that doesn't require emergency calls.

Have a crawlspace, pest, or moisture concern across one property or an entire portfolio? Call American Crawlspace & Pest Services at [Needs your input: confirmed business phone number] to schedule a free on-site inspection, or contact us online to tell us about your property. The team serves multifamily properties throughout King County, Snohomish County, Pierce County, Thurston County, and Island County.

Why Multifamily Housing Properties Face Higher Crawlspace & Pest Risks

A single-family home might have 800 square feet of crawlspace. A garden-style apartment complex might have 8,000. More square footage means more surface area for moisture to collect, more potential rodent entry points, and more insulation that can degrade without anyone noticing until a tenant complains. When walls and floors are shared, a pest or moisture problem in one unit doesn't stay there — it migrates.

The Pacific Northwest climate adds pressure that property managers in drier markets simply don't face. Puget Sound winters are long and wet. Crawlspaces under buildings in King County, Snohomish County, Pierce County, and Thurston County absorb ground moisture season after season. Without functioning vapor barriers and adequate insulation, that moisture accelerates mold growth, rots structural wood, and degrades insulation far faster than it would in a drier climate.

Pre-1990 multifamily stock is especially vulnerable. Buildings from that era were often constructed with thin insulation, minimal vapor barrier protection, and duct systems that have never been sealed. The energy inefficiency alone — cold floors, high heating bills, tenant complaints — signals deeper problems. But the bigger risk is habitability: contaminated insulation, active rodent colonies, and unchecked moisture can trigger regulatory scrutiny and tenant turnover that costs far more than the remediation would have.

Our approach treats moisture, pests, and energy loss as the connected problems they are — not separate service calls from separate vendors. That systems-level thinking is what makes the difference in multifamily work.

Crawlspace & Attic Services Built for Multifamily Properties

American Crawlspace & Pest Services provides a full range of services for apartment complexes, condominiums, and HOA-managed communities. Each service below is available as a standalone project or as part of a coordinated scope across multiple buildings.

• Crawlspace insulation removal and replacement: Complete removal of contaminated, rodent-damaged, or degraded insulation, followed by installation of R30 formaldehyde-free fiberglass batts. Details on the full process are on our crawlspace and attic insulation page.
• Crawlspace and attic cleanup: Debris removal, rodent dropping remediation, old vapor barrier removal, and sanitization with neutralizing enzyme treatment. See what's included on our crawlspace and attic cleanup page.
• Vapor barrier installation and moisture control: Critical for ground-floor and below-grade units. Proper installation prevents moisture from reaching insulation and structural framing. Learn more on our crawlspace moisture control page.
• Rodent exclusion and removal: Our 4-step process covers inspection, exclusion and trapping, cleanup and sanitization, and ongoing monitoring. Backed by a Lifetime Rodent Guarantee covering both materials and labor.
• Duct sealing and insulation: Seals energy loss across multiple units and qualifies for utility rebates through PSE, Tacoma Power, Cascade Natural Gas, and Snohomish County PUD.
• Mold remediation: Professional removal and remediation of mold in crawlspaces and attics, restoring safe conditions for tenants.
• Sump pump installation and inspection: Manages standing water issues in crawlspaces. Annual sump pump inspection is included with our lifetime warranty program.

For a complete picture of what we offer, the full listing is on our services page.

What Sets Us Apart for Multifamily Housing Clients

A number of crawlspace companies operate in this region. Few of them are equipped to handle the scale, licensing requirements, and accountability that multifamily property managers need. Here's what actually distinguishes us:

We are one of only two WSDA-licensed full-service pest control companies in our market. Most crawlspace companies perform rodent exclusion work without a pest control license. That distinction matters when you're managing tenant habitability and need documented, licensed remediation on record.

Every technician who enters your property is trained, vetted, and employed directly by American Crawlspace & Pest Services. There are no subcontractors. With roughly 53 employees and management that averages more than 8 years with the company — some crew members have been here since day one in 1995 — we have the operational depth to take on multi-building projects without delays or hand-offs that introduce quality gaps.

The Lifetime Rodent Guarantee covers materials and labor, with no fine print. As long as a property is enrolled in our pest monitoring service, we replace what rodents damage. For a multifamily portfolio, that ongoing protection converts an unpredictable repair expense into a predictable, managed cost.

We are a PST Multifamily co-branded partner with badge rights alongside PSE, Tacoma Power, and Cascade Natural Gas. That relationship means we understand multifamily rebate structures specifically, and we handled over $3 million in utility rebates for customers last year alone. No other crawlspace provider in this market processes more rebate volume.

Nearly 25,000 homes and properties served across the Pacific Northwest. A 4.9-star Google rating built from hundreds of reviews. These aren't claims we manufacture — they reflect 30 years of work done right, one property at a time.

Rebate Opportunities That Benefit Multifamily Portfolios

Utility rebates for insulation and duct sealing are available to multifamily properties, and the savings scale significantly when applied across multiple buildings or units. American Crawlspace & Pest Services is a registered and approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Duct sealing and insulation upgrades qualify under each of these programs.

Property managers don't need to navigate the rebate process alone. We handle the paperwork, coordinate with the utility, and make sure every qualifying project is documented correctly. Last year, we facilitated over $3 million in utility rebates for customers across the region — more than any other crawlspace contractor in this market.

Properly installed insulation reduces energy bills by up to 20% or more. At portfolio scale, that reduction adds up across every unit in every building. Details on which insulation services qualify and how the process works are on our crawlspace and attic insulation page.

Types of Multifamily Properties We Serve

Our commercial crawlspace services are designed for the full range of multifamily property types found across the Puget Sound region:

• Apartment complexes, including 2-story and garden-style buildings with crawlspace foundations
• Condominium buildings with shared crawlspace or attic access points
• HOA-managed townhome communities
• Duplex and triplex rental properties
• Mixed-use residential and commercial buildings
• Pre-1990 multifamily stock throughout King County, Snohomish County, Pierce County, Thurston County, and Island County
• Property management companies overseeing multiple addresses across the region

If you manage a portfolio and aren't sure whether a property qualifies or what scope would look like, the free inspection is the right starting point. There's no obligation, and you'll leave with a clear picture of what's there.

Our Process for Multifamily Housing Projects

Multifamily work requires more planning than a single-family job. Here's how we approach it:

Step 1 — Free on-site inspection: We assess scope across all units or buildings with no obligation. You get a full picture of what's present before any commitment is made.

Step 2 — Detailed findings report: Property managers receive clear documentation of what was found, where it is, and why it matters. We never hand over a vague summary — you get specifics you can act on and share with ownership or HOA boards.

Step 3 — Coordinated project scheduling: We plan work to minimize tenant disruption. That means sequencing across buildings thoughtfully, not just booking dates that work for us.

Step 4 — In-house crew execution: Our own employees do the work. No subcontractors. Consistent quality across every building in the scope.

Step 5 — Cleanup and sanitization: Protected surfaces, thorough deodorization with neutralizing enzyme treatment, and no mess left behind. Tenants shouldn't know we were there except that the problem is resolved.

Step 6 — Ongoing monitoring enrollment: Lifetime warranty activation, annual sump pump inspection, and quarterly pest monitoring as applicable. This is where one-time remediation becomes long-term protection.

At every stage, the property manager knows exactly what was done and why. That transparency isn't optional — it's how we work.

Related Services

• Commercial Property Services
• Crawlspace & Attic Insulation
• Crawlspace & Attic Cleanup
• Crawlspace Moisture Control
• All Services

Areas We Serve

American Crawlspace & Pest Services provides this service throughout Island, Snohomish, King, Pierce, and Thurston counties, including Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, and more than 10 additional communities within approximately 30 miles of Lynnwood. See our full service area.

Frequently Asked Questions

Can you handle multiple buildings or units at the same time for a portfolio account?

Yes. With roughly 53 in-house employees, we have the staffing to take on multi-building projects and coordinate work across several addresses simultaneously. We schedule projects to minimize tenant disruption and use consistent crews throughout so quality doesn't vary from building to building. Portfolio accounts and property management companies are a core part of what we do — not an exception to our normal workflow.

Do utility rebates apply to multifamily properties, and do you handle the paperwork?

Yes, utility rebates for insulation and duct sealing apply to multifamily properties, and we handle the paperwork on your behalf. American Crawlspace & Pest Services is a registered and approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Last year we facilitated over $3 million in utility rebates for customers across the region. You won't need to navigate the process alone — we coordinate directly with the utility and make sure every qualifying project is documented correctly.

What does the Lifetime Rodent Guarantee cover for a multifamily property?

The Lifetime Rodent Guarantee covers both materials and labor — full replacement of any insulation or work that rodents damage, with no fine print and no asterisks. The guarantee is valid for as long as the property is enrolled in our ongoing pest monitoring service. For multifamily properties, this converts an unpredictable repair expense into a managed, predictable cost. Our crawlspace cleanup service details how we prepare the space before new insulation is installed as part of the exclusion process.

How do you minimize tenant disruption during crawlspace or attic work?

We plan scheduling around tenant occupancy, sequence work across buildings thoughtfully, and keep all work contained to crawlspace and attic access points. Our crews clean up completely after each phase — including sanitization and surface protection — so tenants aren't dealing with debris, odors, or disruption in their living areas. We coordinate directly with property managers on timing, and we never leave without making sure the manager has a clear record of what was completed and what's next.

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Meet the Team Behind American Crawlspace & Pest Services

The People Who Protect Nearly 25,000 Pacific Northwest Homes

American Crawlspace & Pest Services has been a family-owned, locally rooted company since 1995. Every decision made about your home is made by people who live and work in the same communities you do — in King County, Snohomish County, Pierce County, Thurston County, and beyond. There are no outside investors setting priorities here, and no corporate playbook handed down from a distant headquarters.

Today, the company employs approximately 53 people — a scale that reflects nearly three decades of sustained growth and a depth of capability that separates us from smaller or less-established operators. That size means we can respond, staff, and stand behind our work in ways that a two-person crew simply cannot.

Every technician who enters your home is a trained, vetted American Crawlspace & Pest Services employee. Not a day-hire. Not a subcontractor brought in to meet demand. The same accountability you expect from us as a company extends directly to every person we send to your door. That's what American Crawl, The Team To Call actually means in practice.

Ready to have a vetted, tenured American Crawlspace & Pest Services technician take a look at your home? Schedule your free on-site inspection with no obligation. Financing is available for qualified customers, and you'll speak with a real person — not a call center. Call us at [Needs your input: main phone number] or submit a request through our contact page to get started. The team serves homeowners and commercial customers throughout King, Snohomish, Pierce, Thurston, and Island counties.

Why Our In-House Team Model Makes All the Difference

A lifetime guarantee on materials and labor is only worth something if the company behind it controls the quality of the work from start to finish. That's why we've never used subcontractors. Every technician is hired, trained, and held accountable by us directly — which is the only way we can confidently back our lifetime rodent exclusion guarantee with both materials and labor, for as long as you're enrolled in pest service.

When you use subcontractors, you introduce variables: different training standards, different work habits, different levels of care. Many crawlspace companies send whoever is available. We don't. The crew that shows up at your home has gone through our training, knows our standards, and answers to our management — not to a third-party staffing arrangement.

The practical result is consistency. The same thoroughness you read about in our reviews, the same clean-work ethic, the same walkthrough before anyone leaves — those aren't happy accidents. They're the product of a team that's been built carefully, over a long time, and held to a single standard.

Experience You Can Count On — Our Team's Tenure

Turnover is expensive for a company and disruptive for customers. Long-tenured employees accumulate something that can't be onboarded quickly: real, deep knowledge of the specific pest patterns, moisture behaviors, and housing conditions that define the Pacific Northwest.

Our management team averages more than 8 years with the company. Many crew members have been here 5 years or longer, and some joined in the early years of the business. When a technician has spent years working on homes in Everett, Kirkland, Marysville, and Issaquah, they've seen the full range of what the region's climate can do to a crawlspace or attic. That experience shows up in the inspection, in the recommendations, and in the quality of the finished work.

We've served the Puget Sound region since 1995. That longevity isn't just a marketing claim — it's reflected in the people who have stayed, grown, and built careers here. A stable team means no learning curve on your home.

Certified, Licensed, and Utility-Approved Technicians

Credentials matter because they protect you. Here's what our team holds:

• WSDA-licensed full-service pest control company — we are one of only two among dozens of crawlspace competitors in our market who carry this license. Most crawlspace companies perform rodent exclusion work without a pest control license at all.
• PSE and Snohomish County PUD certified technicians, making us an approved contractor for utility rebate programs. We facilitated over $3 million in rebates for customers last year — more than any other contractor in this region.
• Contractor License #AMERICC911J8
• Co-branded badge rights with PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily — a recognition that comes from demonstrated performance, not just registration.

Those certifications have a direct financial impact on you. Because our technicians are utility-approved, the insulation and duct work they install qualifies for PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas rebate programs. A contractor without these credentials can't get you that money back.

What Our Team Does — Services Performed by Our Experts

Our crews are cross-trained across the full range of crawlspace and attic work, because moisture, pests, and energy loss are connected problems. Addressing one without understanding the others leads to incomplete fixes.

Services our team performs include crawlspace and attic insulation removal and reinstallation, subfloor insulation installation, vapor barrier installation, duct sealing and insulation, mold remediation, sump pump and crawlspace drainage systems, and comprehensive rodent exclusion. Our technicians see the whole picture and flag related issues — not just the one job they were sent to do.

The work itself is carried out to a specific standard: protected surfaces, debris removed from the property, and a full walkthrough with the homeowner before the crew leaves. Award-winning crews aren't a title we gave ourselves — it reflects the feedback we've received from customers and utility partners over years of consistent work. No mess left behind. No question unanswered before departure.

Customers and Properties Our Team Serves Across the Region

Our team works across residential and commercial properties throughout the Puget Sound area. On the residential side, we serve homeowners dealing with active rodent problems, pre-1990 homes with aging or missing insulation, and homeowners looking to capture energy efficiency rebates before utility incentives change.

For commercial customers, that includes multifamily housing, commercial facilities, and mixed-use properties requiring crawlspace, attic, or pest control services at a larger scale.

Across all of it, the reviews speak plainly. American Crawlspace & Pest Services holds a 4.9-star Google rating with hundreds of five-star reviews, and a 4.8 out of 5 rating based on reviews from across the web. Those reviews weren't generated by a marketing campaign — they came from homeowners in Shoreline, Bellevue, Auburn, Bothell, and communities throughout our service area who had a straightforward experience and chose to say so.

Areas We Serve

Our team lives and works throughout the Puget Sound region. Service is available across the following counties and cities:

• King County, Snohomish County, Pierce County, Thurston County, Island County
• Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, Edmonds, Issaquah, Marysville

When we say local, we mean it in a specific way: the people who inspect and work on your home live nearby, understand the regional climate, and are part of the same communities. If you're not sure whether your address falls within our coverage area, reach out and we'll confirm it directly.

Frequently Asked Questions About Our Team

Related Services

• Rodent exclusion with a lifetime guarantee
• Crawlspace insulation removal and reinstallation
• Contact us to schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Do you use subcontractors, or are all your technicians employed directly by American Crawlspace & Pest Services?

Every technician is a direct employee of American Crawlspace & Pest Services — no subcontractors, ever. This policy is the foundation of our lifetime guarantee: we can only stand behind materials and labor with full confidence when we control the hiring, training, and accountability of every person doing the work. When you schedule an inspection or a job, the crew that arrives has been vetted and trained by us, not sourced from a third party.

Are your technicians licensed for pest control work, or just insulation?

We are a WSDA-licensed full-service pest control company — one of only two among dozens of crawlspace competitors in our market who hold this license. That means our technicians are qualified to perform rodent exclusion, trapping, baiting, and cleanup under Washington State pest control regulations, not just insulation installation. Most crawlspace companies operate without a pest control license, which limits what they can legally and safely do on your property. You can learn more about our approach on our rodent exclusion service page.

How long have your crew members been doing this work?

Our management team averages more than 8 years with the company, and many crew members have been here 5 years or longer. The company itself has served the Pacific Northwest since 1995, and that longevity is reflected in the depth of experience across the team. Long tenure means your technician has likely encountered your specific type of problem before — whether it's moisture damage in an older Edmonds home, rodent entry points common to Bothell neighborhoods, or the insulation conditions typical of pre-1990 construction throughout King County.

Is American Crawlspace & Pest Services locally owned, or part of a national chain?

American Crawlspace & Pest Services is 100% locally and family owned — no private equity, no national parent company, no outside investors. The people making decisions about how work is done on your home are the same people who live and work in the Puget Sound region. That matters in practical terms: local ownership means long-term accountability, not short-term financial targets set by investors who've never seen a Pacific Northwest crawlspace.

Home › FAQs

Frequently Asked Questions About Crawlspace, Attic & Pest Services

Questions About Our Free Inspections and Getting Started

One of the most common questions we hear before a first appointment is whether the inspection actually costs anything. It does not. There is no charge, no obligation, and no sales pressure attached to the visit. A trained technician comes to your home, takes a look at what is actually happening in your crawlspace or attic, and tells you what they found. You decide what to do next.

During the inspection, the technician checks the condition of your existing insulation, looks for signs of moisture intrusion, inspects for rodent activity or droppings, assesses mold risk, and evaluates the state of your heating ducts and vapor barrier. You get a clear picture of what is happening in spaces you rarely see.

A typical inspection takes roughly 45 minutes to an hour, depending on the size of your home and the complexity of what is found. You should be home during the visit so the technician can walk you through the findings directly. Access to a crawlspace entry point and, if applicable, attic access is required.

To schedule your free inspection, visit our contact page or call us directly. Every technician who enters your home is a trained, vetted employee of American Crawlspace and Pest Services. We do not use subcontractors, which means you know exactly who is in your home and we can stand behind the work completely.

Have a question that is not covered here, or ready to schedule your free inspection? Call American Crawlspace and Pest Services at [Needs your input: main phone number] or submit a request through our contact page. No pressure, no obligation — just honest answers from people who know Pacific Northwest homes. American Crawl, The Team To Call.

Common Questions About Crawlspace Insulation

Cold floors in winter are the most common signal that something is wrong with crawlspace insulation. Other signs include unusually high heating bills, insulation that is visibly sagging or falling away from the subfloor, and any confirmed rodent activity in the crawlspace. Contaminated insulation cannot be salvaged — it needs to come out.

For new crawlspace insulation, we install fiberglass batts at R30, which is the level recommended for the Pacific Northwest climate. The products we use are formaldehyde-free, made from recycled glass and sand, and secured snugly into the floor joist cavities using twine or lathe so they stay in contact with the subfloor where they do the most good.

Old insulation removal is a multi-step process. We bring in high-power vacuum equipment, remove the contaminated insulation and any debris, clean up rodent droppings, take out the old vapor barrier, and treat the crawlspace with a neutralizing enzyme sanitizer. Nothing is left behind that could cause odor, contamination, or ongoing pest attraction.

Properly installed crawlspace insulation can reduce heating and cooling costs by up to 20% or more, and the difference in floor comfort is something homeowners notice immediately. Most crawlspace insulation projects are completed in a single day. Since 1995, we have served nearly 25,000 homes across the Pacific Northwest, so our crews understand exactly what the regional climate demands from insulation in these conditions.

Frequently Asked Questions About Attic Insulation

Blown-in attic insulation is the process of using specialized equipment to distribute loose insulation material evenly across your attic floor, filling gaps and reaching areas that batt insulation cannot. We install it to a minimum depth of 8 to 10 inches, which is the threshold at which the insulation performs reliably in this region's mix of wet winters and dry summers.

Yes, new attic insulation helps in summer too. A well-insulated attic slows heat transfer in both directions, which means your home stays warmer in winter and cooler when temperatures rise. Homeowners often notice a more consistent temperature throughout the house after attic insulation work is completed.

We install venting baffles as part of the attic insulation process. These are channels placed along the eaves that keep air moving through the attic even after new insulation is installed. Without them, moisture can build up and cause structural damage over time. It is a step many crews skip; we do not.

Attic insulation work does qualify for utility rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. American Crawlspace and Pest Services is a registered and approved contractor with both PSE and Snohomish PUD, and we facilitated over $3 million in rebates for customers last year. Your technician will assess the right R-value for your home during the free inspection based on what is already in the attic, your home's age, and your heating system.

Rodent and Pest Control Questions We Hear Most Often

Scratching or scurrying sounds in the walls or ceiling at night almost always mean rodents. It is an unsettling thing to hear, and it is more common in Pacific Northwest homes than most people expect. Older homes in particular, where gaps and openings have developed over decades, give rodents easy entry points. The sound is worth taking seriously, but it is also a solvable problem.

Our rodent exclusion process has four steps. First, we inspect to identify all entry points and assess the full extent of the problem. Second, we seal holes and install a trapping system. Third, we clean up and sanitize all contaminated areas with an enzyme treatment. Fourth, we set up ongoing monitoring so the problem does not quietly return. This is an exclusion-first approach, not bait-only, which addresses the root cause rather than just the immediate symptom.

On the question of whether rodents come back: with bait-only treatments, they often do. Our approach seals the entry points first, then removes what was attracting them. Customers who enroll in our ongoing monitoring program receive a lifetime warranty on their new insulation against rodent damage. That warranty covers both materials and labor, with no fine print and no asterisks, for as long as you remain enrolled in pest service.

American Crawlspace and Pest Services is one of fewer than two fully WSDA-licensed pest control companies among dozens of crawlspace providers in our market. Most companies doing rodent exclusion work are not licensed pest control operators. That license matters because it means we are trained, inspected, and accountable under state law. And no, you do not sign a long-term contract. We operate on an integrated pest management model and earn your continued business through results, not lock-in agreements.

Moisture, Mold, and Drainage: Questions Worth Asking

A vapor barrier is a sheet of heavy plastic material installed across the floor of your crawlspace. Its job is to block ground moisture from rising up into the crawlspace air, where it can saturate insulation, promote mold growth, and attract pests. Crawlspaces in the Pacific Northwest sit over soil that stays wet for much of the year, which makes a properly installed vapor barrier one of the most important protective layers in the home.

Signs of mold in a crawlspace or attic include a persistent musty smell in the home, visible dark staining on wood surfaces, and wood that feels soft or spongy. Because these spaces are hard to see into, a professional inspection is the most reliable way to know what you are dealing with. We offer mold remediation for both crawlspaces and attics as part of our whole-home approach.

Yes, we install sump pumps and crawlspace drainage systems for homes where water accumulation is an ongoing issue. Annual sump pump inspection is included with our lifetime warranty program, so you are not left wondering whether it is still working between service visits.

Moisture and pest problems are connected more directly than most homeowners realize. Wet crawlspaces attract rodents looking for warmth, and damaged or wet insulation provides nesting material. Mold follows moisture. Solving one problem while ignoring the other leads to the same call a year later. We look at the whole picture because the problems underneath your home tend to share a root cause.

Your Utility Rebate Questions, Answered

Rebates for insulation work are available through PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. The specific amount you can receive depends on your utility provider, the scope of the project, and your home's current insulation levels. American Crawlspace and Pest Services is the region's leading rebate partner: we facilitated over $3 million in utility rebates for customers last year alone.

Eligibility is determined during your free inspection. The technician assesses what insulation you currently have, what your home needs, and which utility programs apply to your address. You do not need to research the programs yourself or figure out which forms to file.

We handle the rebate paperwork. As a registered and approved contractor with PSE and Snohomish PUD, we have co-branded materials and badge rights with our utility partners, including PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily. Our contractor license number is AMERICC911J8. Homeowners in our service area who have worked with us have received rebates that meaningfully offset their project costs, and our certified technicians know exactly how to document the work to support your rebate application.

Questions About Our Warranties, Crews, and Company

American Crawlspace and Pest Services has been serving homeowners in the Pacific Northwest since 1995. Over that time, we have worked in nearly 25,000 homes across King County, Snohomish County, Pierce County, Thurston County, and Island County. The management team averages more than eight years with the company, and many crew members have been here five years or more. That level of continuity is not common in this industry.

Every technician is a direct employee of American Crawlspace and Pest Services. We do not use subcontractors. This matters for quality and accountability, but it also matters for our warranty. When every person doing the work is trained and employed by us, we can stand fully behind a lifetime guarantee on rodent damage to new insulation — covering both materials and labor — without conditions buried in the fine print.

The company is 100% locally and family owned. There is no private equity involvement. The people making decisions about how work gets done are the same people who live and work in this community. That is a meaningful difference in how problems get handled when something does not go as planned.

Our customer satisfaction rating is 4.8 out of 5 based on reviews from around the web, with a 4.9-star Google rating backed by hundreds of five-star reviews. Financing options are available for qualified customers. To ask about financing or any other service detail, reach out through our contact page or call us directly.

Types of Properties and Homes We Service

The majority of our work is in residential homes, with a particular focus on pre-1990 construction where original insulation is often degraded, missing, or contaminated. These older homes frequently have crawlspaces and attics that have never been properly addressed, and the energy and comfort improvements after service can be substantial.

We also serve commercial properties and multifamily housing, covering crawlspace and attic insulation, rodent exclusion, moisture management, and mold remediation for those building types. If you manage a property and are seeing signs of pest activity, moisture damage, or rising utility costs, the same inspection process applies.

Homes with active pest infestations, standing moisture issues, or visible mold conditions are exactly the kind of situation we are set up to handle. These are not edge cases for us — they are the work we do every day across the region.

Areas We Serve Across the Puget Sound Region

We serve homeowners and property managers throughout the greater Puget Sound region. Our service area covers five counties and the cities within them.

• King County: Seattle, Bellevue, Kent, Renton, Redmond, Kirkland, Burien, Sammamish, Auburn, Issaquah, and Shoreline
• Snohomish County: Lynnwood, Everett, Bothell, Edmonds, and Marysville
• Pierce County and Thurston County
• Island County

Free inspections are available throughout all of these service areas. If you are not sure whether your address is covered, contact us and we will confirm.

Related Services

• Crawlspace insulation removal and installation
• Rodent exclusion and pest control services
• Attic insulation installation
• Utility rebate information and eligibility
• Book a free crawlspace or attic inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Is the free inspection really no obligation?

Yes. The inspection costs nothing and carries no obligation to purchase any service. A technician visits your home, checks your crawlspace and attic, and tells you exactly what they found. You decide what, if anything, to do next. We do not use the inspection as a pressure sales tool — the goal is to give you an accurate picture of what is happening under your home.

What is the lifetime rodent guarantee and what does it actually cover?

The lifetime rodent guarantee covers both materials and labor for replacement of insulation damaged by rodents, with no dollar cap and no fine print, for as long as you are enrolled in our ongoing pest monitoring service. Most warranties in this industry cover materials only, or expire after a set number of years. Ours does not work that way. Because every technician is a direct employee trained by us, we are able to back this guarantee fully — which is only possible when the work is done in-house from start to finish.

How do utility rebates work and do you handle the paperwork?

Yes, we handle the rebate paperwork. As a registered and approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, we know exactly how each program works and what documentation is required. Your technician will identify which rebates apply to your home during the free inspection, and our team manages the filing process. We facilitated over $3 million in rebates for customers last year, which makes us the region's most active rebate partner by a significant margin.

Do you lock customers into a long-term pest control contract?

No. Our pest control program runs on an integrated pest management model with no long-term contract required. We seal entry points, install trapping systems, and monitor over time — addressing the root cause of the infestation rather than just managing symptoms. You stay on the program because it works, not because you signed a multi-year agreement. Schedule a free inspection to see how the program applies to your home.

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Home › Blog & News

Crawlspace & Pest Insights: Tips, News & Expert Advice from American Crawl

Your Pacific Northwest Home Resource Library

Most homeowners have no idea what's happening beneath their floors or above their ceilings — and that's completely understandable. Crawlspaces and attics are out of sight, and unless something smells wrong or the heating bill spikes, there's little reason to think about them. That's exactly why this resource library exists.

Every article here is written from real field experience. Since 1995, the team at American Crawlspace & Pest Services has worked in nearly 25,000 homes across King, Snohomish, Pierce, Thurston, and Island Counties. The advice in these pages reflects what our crews actually find under Pacific Northwest homes — not recycled national content written for climates and housing stock that look nothing like Puget Sound.

The topics covered here include crawlspace insulation, rodent exclusion, attic energy savings, moisture and mold, sump pump drainage, and PSE and PUD utility rebates. Whether you just heard something scratching under your floor or you're trying to figure out if your home qualifies for an energy rebate, you'll find plain-language answers written for this region specifically. Bookmark this page and come back whenever a question comes up — and if you want a real answer about your specific home, a free on-site inspection is always available with no obligation attached.

Have a concern at home involving crawlspace insulation, rodent activity, attic insulation, or moisture? Call American Crawlspace & Pest Services at (425) 217-6550 to request a free on-site inspection, or contact the team online to schedule a visit. American Crawl serves homeowners throughout Lynnwood, Seattle, Bellevue, Everett, Kirkland, Renton, Sammamish, and communities across King, Snohomish, Pierce, Thurston, and Island Counties.

What Our Blog & News Articles Cover

Crawlspace Insulation & Subfloor Health

These articles explain what healthy subfloor insulation looks like, what contaminated or damaged insulation signals, and how R-value works in plain terms. You'll find guidance on when removal is the right call versus a partial repair, and what the installation process actually involves — including why fiberglass batts installed snugly against the subfloor behave differently from loose or fallen insulation.

Rodent Control & Exclusion

Scratching sounds at night. Droppings in the crawlspace. A smell that wasn't there last month. These articles walk through what those signs mean, how rodents find their way into homes, and what a real four-step exclusion process looks like: inspection, sealing and trapping, cleanup and sanitization, and ongoing monitoring. You'll also find a clear explanation of what a lifetime rodent guarantee covers — and what it requires — so you can read the fine print before anyone asks you to sign anything.

Attic Insulation & Energy Savings

Blown-in attic insulation is one of the most cost-effective upgrades available to Pacific Northwest homeowners, yet many homes are still under-insulated by current standards. These articles cover proper depth (8 to 10 inches minimum), how venting baffles protect air circulation, and how attic insulation directly affects winter heating bills. Homes with properly installed attic insulation can reduce energy costs by 20 percent or more.

Moisture, Mold & Crawlspace Drainage

Moisture and pest problems are connected more often than homeowners expect. Articles in this section explain how vapor barriers work, when a sump pump becomes necessary, and what early mold looks like in a crawlspace. You'll also find guidance on how clay soil and Puget Sound rainfall patterns create drainage challenges that are specific to homes in this region.

PSE & PUD Rebates Explained

American Crawlspace & Pest Services is a registered contractor with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas — and facilitated over $3 million in utility rebates for homeowners last year. Articles in this section explain which upgrades qualify, how the rebate process works, and how American Crawl handles paperwork on behalf of homeowners so nothing falls through the cracks.

Seasonal Home Maintenance Tips for the Pacific Northwest

Puget Sound winters are wet, and the transition between seasons is when crawlspace and attic problems tend to show up. These articles offer region-specific checklists for fall preparation, spring inspection, and what to watch for after heavy rain events — written for the actual housing stock and climate conditions found in communities from Marysville to Issaquah.

Browse Our Latest Blog Posts & News

Articles are organized by topic so you can go straight to what matters most right now. Use the category filters below to narrow your search, or scroll through recent posts to find something useful.

Categories: All | Crawlspace | Attic | Rodents | Rebates | Moisture & Mold | Seasonal Tips

• [Category: Rodents] — What Scratching Sounds Under Your Floor Actually Mean: A plain-language walkthrough of rodent entry points, signs of active infestation, and what comes next. Read more
• [Category: Rebates] — How to Qualify for a PSE Insulation Rebate in King and Snohomish County: Step-by-step explanation of the rebate process, which upgrades qualify, and how American Crawl handles the paperwork. Read more
• [Category: Attic] — Is Your Attic Insulation Deep Enough? What Pacific Northwest Homeowners Should Know Before Winter: Covers minimum depth requirements, blown-in insulation benefits, and pre-season prep for homes in Everett, Kirkland, Renton, and Sammamish. Read more
• [Category: Moisture & Mold] — Signs of Mold in Your Crawlspace and What to Do About It: How moisture enters crawlspaces in wet Pacific Northwest winters, what mold looks like early, and when remediation is needed. Read more
• [Category: Seasonal Tips] — Fall Crawlspace Checklist for Puget Sound Homeowners: What to inspect before the rainy season, including vapor barriers, drainage, venting, and insulation condition. Read more

More articles are added regularly. Check back often, or contact the team if you have a specific question you'd like addressed in a future post.

Why Homeowners Across Puget Sound Trust American Crawl's Advice

The articles published here aren't written by outside content agencies. Every piece reflects what American Crawl's in-house crews find and fix inside real Pacific Northwest homes — crews that are trained, vetted, and employed directly by the company, not subcontracted out.

A few things worth knowing about the team behind this content:

• Nearly 25,000 homes served across King, Snohomish, Pierce, Thurston, and Island Counties since 1995
• 4.9 stars on Google, backed by hundreds of five-star reviews from homeowners in Lynnwood, Bellevue, Bothell, Marysville, Auburn, and dozens of other communities
• One of only two WSDA-licensed full-service pest control companies in this market — pest and rodent articles come from fully licensed professionals, not general contractors doing exclusion work without a license
• Certified technicians working directly with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas — the same people contributing to rebate content are the ones processing rebate paperwork every day
• Management averaging 8 or more years with the company, with many crew members at five years or longer

American Crawlspace & Pest Services is 100 percent locally and family owned. The people reviewing this content live in the same communities as the homeowners reading it — which keeps the advice grounded in what actually matters here, not what works somewhere else.

Areas We Serve Across Western Washington

Articles on this blog are written with Pacific Northwest conditions in mind: clay-heavy soils, long wet seasons, pre-1990 housing stock, and the specific pest pressure that comes with the region's mild winters. That regional focus applies to every city and county in the American Crawl service area.

Counties served: King County, Snohomish County, Pierce County, Thurston County, Island County

Cities served: Lynnwood, Seattle, Bellevue, Kent, Everett, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, Edmonds, Issaquah, Marysville

If you've read an article and want a direct answer about your specific home, a free on-site inspection is the fastest way to get one. There's no obligation and no pressure — just an honest look at what's actually going on. Request a free inspection here.

Have a Crawlspace or Pest Question We Haven't Answered Yet?

This resource library grows because homeowners ask good questions. If there's a topic you'd like covered — whether it's about rodent sounds in a specific part of your home, a rebate deadline you've heard about, or what a moisture reading in your crawlspace actually means — send it through the contact page and it may become a future article.

Reading is a good start. A free in-person inspection goes further. American Crawl offers no-obligation, on-site assessments for homeowners across the service area. There's no sales pressure involved, and the goal is always to give you an honest picture of what's happening under or above your home — even if the answer turns out to be that nothing needs to be done right now.

If you're weighing whether to act sooner, two things are worth keeping in mind: utility rebate programs through PSE and Snohomish County PUD have eligibility windows that change, and American Crawl's lifetime rodent guarantee — covering both materials and labor, with no asterisks — applies only to new insulation installed under active pest monitoring. The longer rodent damage goes unaddressed, the more those conditions can shift. Reach out here to ask a question or schedule a free inspection.

Related Services

• Request a free crawlspace or attic inspection

Frequently Asked Questions

Are your blog articles written for Pacific Northwest homes specifically, or is it general advice?

Every article is written for Pacific Northwest conditions specifically. That means content accounts for Puget Sound rainfall patterns, clay soil drainage behavior, the prevalence of pre-1990 housing stock across King, Snohomish, and Pierce Counties, and the pest pressures associated with the region's mild winters. Generic national advice rarely reflects what our crews actually find when they inspect homes in Lynnwood, Kirkland, Auburn, or Marysville — so we don't publish it. The team behind this content has worked in nearly 25,000 Pacific Northwest homes since 1995, and that experience shapes everything here.

How do I know if I qualify for a PSE or Snohomish PUD insulation rebate?

Qualification depends on your utility provider, the type of upgrade being installed, and whether the contractor is registered with the applicable rebate program. American Crawlspace & Pest Services is a registered contractor with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas — and facilitated over $3 million in rebates for homeowners last year. The fastest way to find out if your home qualifies is to request a free inspection; the team can assess your current insulation, confirm which upgrades apply, and handle the rebate paperwork on your behalf. Request a free inspection here.

I heard scratching under my floor at night — which articles should I read first?

Start with the rodent exclusion section, specifically the article on what scratching sounds under your floor actually mean. Nighttime scratching is one of the clearest signs of active rodent activity, and it's worth understanding what's likely happening before calling anyone. From there, the article on our four-step exclusion process — inspection, sealing and trapping, cleanup and sanitization, and ongoing monitoring — will explain exactly how the problem gets addressed and what the lifetime rodent guarantee covers. Reading first is smart; it helps you ask the right questions when you're ready to schedule a free inspection.

Can I get a free inspection even if I'm just not sure what the problem is?

Yes. Free on-site inspections are available with no obligation attached, and uncertainty is the most common reason homeowners schedule one. You don't need to know whether the issue is rodents, moisture, damaged insulation, or something else entirely — that's what the inspection is for. American Crawl's in-house crews are trained to assess crawlspaces and attics honestly, which sometimes means telling a homeowner that nothing needs immediate attention. If something does need to be addressed, you'll get a clear explanation of what was found and why it matters before any work is discussed. Schedule your free inspection here.

Home › Resources & Guides

Resources & Guides for Pacific Northwest Homeowners

What You'll Find in These Resources & Guides

Most homeowners in the Puget Sound region have never seen their crawlspace or poked around in their attic. That's completely normal. What's under and above your house is easy to ignore until a heating bill spikes, you hear scratching at night, or a home inspector flags something during a sale. These guides exist to close that information gap.

Every article, checklist, and FAQ on this page is written in plain language for homeowners in King, Snohomish, Pierce, and Thurston Counties. You'll find answers to real questions: what does contaminated insulation look like, how do you know if rodents are active, what qualifies for a PSE or Snohomish PUD rebate, and what actually happens during a professional crawlspace inspection.

If you'd rather talk through your situation directly, American Crawlspace & Pest Services offers free on-site inspections with no obligation. The team has served nearly 25,000 homes in the Pacific Northwest since 1995.

Have a question the guides didn't answer, or ready to schedule your free inspection? Call American Crawlspace & Pest Services at [Needs your input: confirmed phone number] or contact the team online. Inspections are free, there's no obligation, and the crew serves homeowners throughout King, Snohomish, Pierce, and Thurston Counties.

Insulation Guides: What Every Homeowner Should Know

Insulation is one of the most overlooked parts of a home, yet it has a direct effect on your comfort, your energy bills, and the health of your living space. Homes built before 1990 in Shoreline, Bothell, Auburn, and surrounding communities were often insulated to standards that fell short of what we now know is needed for the Pacific Northwest climate.

The guides in this section cover:

• How to tell if your crawlspace or attic insulation needs replacing
• The difference between blown-in attic insulation and floor-joist insulation batts, and when each is the right call
• What R-value means in practical terms for a home in Edmonds or Marysville where winters are wet and damp, not just cold
• Why formaldehyde-free insulation made from recycled glass and sand is worth asking about
• What a proper installation looks like from start to finish, including how insulation is secured so it stays in place

Properly installed insulation in floor joist cavities can reduce heating costs significantly. Our customers commonly see energy savings of 20% or more after a full crawlspace insulation replacement. That's a real number, and it's one reason utility rebates from PSE and Snohomish PUD exist to encourage this work.

Rodent & Pest Guides: Understanding the Problem Before You Call

Hearing sounds in your walls or ceiling at night is unsettling. Finding droppings under the sink or near the water heater is worse. Before you assume the worst or dismiss it as nothing, these guides help you understand what you're dealing with and what a thorough response actually involves.

Rodent problems in crawlspaces are common across the region, from older neighborhoods in Renton and Burien to newer developments in Sammamish and Issaquah. Roof rats, Norway rats, and mice all behave differently, and they require different responses. A company that only seals holes is addressing a symptom, not the full problem.

American Crawlspace & Pest Services follows a four-step process: inspection, exclusion and trapping, cleanup and sanitization with a neutralizing enzyme treatment, and ongoing monitoring. That last step matters. It's why we're able to back our work with a lifetime warranty against rodent damage to new insulation for customers enrolled in our monitoring program. We're also one of fewer than two companies among dozens of competitors in this market who hold a full WSDA pest control license, which means we can legally and professionally address the pest side of the problem, not just the insulation side.

The guides here walk through what to look for, how to document it before a technician arrives, what questions to ask any crawlspace company, and why the cleanup after an infestation is just as important as the exclusion work.

Moisture, Mold & Drainage: Resources for a Drier Crawlspace

The Pacific Northwest climate is hard on crawlspaces. Standing water, condensation, and persistent dampness are common in homes across Kirkland, Redmond, Everett, and Island County. Left unaddressed, moisture damages insulation, promotes mold growth, and creates conditions that attract pests.

These guides cover the connected nature of moisture problems: why a wet crawlspace leads to moldy insulation leads to pest activity leads to poor indoor air quality. You'll also find plain-language explanations of vapor barriers, sump pump installation, and crawlspace drainage systems, including what our annual sump pump inspection covers under the lifetime warranty program.

Mold remediation is another topic we address directly. If you've found mold in your attic or crawlspace, the guides here explain what professional remediation involves and when it needs to happen before new insulation goes in.

Utility Rebate Guides: PSE, Snohomish PUD, and More

Rebate programs from Puget Sound Energy, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas can offset a meaningful portion of the cost of insulation and duct sealing work. The challenge is that the rules change, the paperwork is specific, and not every contractor is approved to submit on your behalf.

American Crawlspace & Pest Services is a registered and approved contractor with both PSE and Snohomish County PUD. Last year alone, the team facilitated over $3 million in utility rebates for customers across the region. That's not a marketing number; it reflects the volume of work done and the trust utility programs have placed in this team.

The rebate guides here explain:

• Which services typically qualify, including attic insulation, subfloor insulation, and duct sealing
• How to verify your utility provider and check your eligibility before scheduling work
• What documentation you'll need, and how the process works when you use an approved contractor
• Common mistakes homeowners make when trying to claim rebates independently

If you're planning insulation work in Lynnwood, Kent, Bellevue, or anywhere across King or Snohomish County, these guides are a practical starting point before you pick up the phone.

How to Use These Guides Before Scheduling an Inspection

These resources are designed to make your free inspection more useful, not to replace it. When you read through the relevant guide before a technician arrives, you'll know what to look for, what questions to ask, and how to evaluate what you're told. That's better for you and for us.

Inspections are free and carry no obligation. A technician will assess your crawlspace or attic, document what they find, explain what it means in plain terms, and give you a written estimate if work is recommended. You'll never be pressured into a decision on the spot.

For homeowners who want to do a preliminary check themselves, several guides include a room-by-room and exterior checklist you can complete before calling. It takes about 20 minutes and helps you give the technician useful context about what you've noticed, when it started, and where the concerns seem to be concentrated.

American Crawlspace & Pest Services has been doing this work since 1995. The management team averages more than eight years with the company, and many crew members have been here five years or longer. Every technician who enters your home is trained, vetted, and employed directly by us, not a subcontractor. That's the only way we can stand behind a lifetime guarantee with confidence.

Related Services

• Crawlspace insulation removal and cleanup
• Rodent exclusion and monitoring program
• Utility rebate-eligible duct sealing
• Vapor barrier and crawlspace moisture control
• Attic insulation installation

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my crawlspace insulation actually needs to be replaced?

The clearest signs are insulation that has fallen out of the floor joists, visible rodent droppings or nesting material in the insulation, a persistent musty smell in the home, or unusually cold floors in winter. In older homes across King and Snohomish County, it's also common to find insulation that was installed correctly but has compressed or absorbed moisture over the years to the point where it no longer performs. A free on-site inspection is the most reliable way to know what you're working with, since photos and descriptions only tell part of the story.

Do I need to do anything before the free inspection?

No preparation is required. If you've noticed specific problem areas, like a section of floor that feels colder than the rest, or a corner of the crawlspace where you've seen droppings, jot those down so you can share them with the technician. Access to the crawlspace entry point is helpful, but the team will work through whatever access is available. The inspection covers the crawlspace and attic as applicable, and the technician will walk you through what they find before they leave.

Which utility rebate programs does American Crawlspace & Pest Services work with?

The company is a registered and approved contractor with Puget Sound Energy (PSE), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. That approval means the team can submit rebate paperwork directly on your behalf for qualifying work, including attic insulation, subfloor insulation, and duct sealing. Last year, the team facilitated over $3 million in rebates for customers across the region. You can reach the team online to confirm your utility provider and check whether your planned work qualifies before scheduling.

What does the lifetime warranty on rodent damage actually cover?

The warranty covers both materials and labor for the full replacement of any new insulation damaged by rodents, with no fine print and no asterisks. It applies to customers who remain enrolled in the ongoing pest monitoring service after the initial exclusion work is completed. This is possible because the company holds a full WSDA pest control license and backs the exclusion work with a structured four-step process: inspection, exclusion and trapping, cleanup and sanitization, and continued monitoring. It's a guarantee built on the quality of the work, not just the contract language.

Are these guides only useful before calling, or can I use them to check ongoing work too?

They're useful at any stage. Homeowners who are mid-project or who had work done by another company years ago use these guides to understand what good work looks like and whether what they have still meets current standards. The checklists and explanations are written to be practical regardless of where you are in the process. If you read something that raises a question about past work, the team is glad to come out for a free inspection and give you an honest assessment.

Home › Careers

Careers at American Crawlspace & Pest Services — Join a Team That's Been Protecting Pacific Northwest Homes Since 1995

Why Build Your Career With American Crawl?

American Crawlspace & Pest Services is 100% locally and family owned. There's no private equity group making decisions from a distant office. The people setting direction here live and work in the same communities we serve, and that shows in how the company operates day to day.

The numbers back up the stability: roughly 53 employees, a founding year of 1995, and nearly 25,000 homes served across King, Snohomish, Pierce, and Thurston Counties. Management averages more than 8 years with the company. Many crew members have been here 5 years or longer. This is not a revolving-door workplace.

The same values we bring to every customer's home extend to how we treat the people on our team. Honesty, thoroughness, and respect for the individual are not talking points here — they shape real decisions. When we say "American Crawl, The Team To Call," every person on staff is part of building and protecting that reputation.

Learn more about who we are and how we operate on our about page.

Ready to join a locally owned team that's served nearly 25,000 Pacific Northwest homes? Call American Crawlspace & Pest Services at [Needs your input: phone number] to talk through open roles, or send us a message with your name and the position you're interested in. The team serves King, Snohomish, Pierce, Thurston, and Island Counties.

What a Career at American Crawlspace & Pest Services Actually Looks Like

Every technician who enters a customer's home is trained, vetted, and employed directly by us. We don't subcontract. That matters because it's the only way we can stand behind our lifetime guarantees with confidence, and it means every team member is held to the same standards and given the same support.

The work itself is varied and meaningful. On any given week, field technicians protect homes across Lynnwood, Seattle, Bellevue, Everett, Kirkland, Renton, Sammamish, Bothell, Issaquah, Marysville, and surrounding communities. The scope includes crawlspace insulation removal and installation, rodent exclusion, vapor barrier work, mold remediation, duct sealing, and moisture management.

Crew culture here is built around thoroughness. Clean work. Protected surfaces. No mess left behind. Homeowners notice the details, and so do we. That pride in doing the job completely and correctly is something every team member carries from their first day on the job.

Career Paths and Roles We're Hiring For

The team is growing, and there are roles at several levels of experience and interest. Current openings include:

• Field Technician, Crawlspace and Attic: insulation removal and installation, vapor barrier placement, moisture management, and sanitization work using specialized high-power vacuum equipment.
• Pest Control Technician: rodent exclusion, trapping, baiting, and ongoing monitoring. American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies in this market — a meaningful credential for anyone building a career in pest control.
• Crew Lead / Foreman: supervise field teams, quality-check completed work, and mentor newer technicians. Prior field experience in crawlspace, insulation, or pest control is a strong starting point.
• Customer Service and Scheduling: first point of contact for homeowners, coordination with PSE, Snohomish PUD, Tacoma Power, and Cascade Natural Gas on utility rebate processing.
• Estimator / Inspector: conduct free on-site inspections, assess scope of work, and walk homeowners through findings with honesty and clarity.

Don't see your exact role listed? Reach out anyway. We're a growing team, and the right person matters more than the right job title at the moment of inquiry.

Benefits of Growing With Our Team

Careers here come with concrete advantages that reflect the company's operational depth and long-term outlook.

• Competitive pay with clear advancement opportunities as the team grows
• Paid training and certification support, including PSE and Snohomish PUD utility rebate program certifications
• Work with industry-grade equipment, including specialized high-power insulation vacuum systems built for thorough crawlspace and attic cleanups
• Stable, year-round demand: crawlspace moisture, insulation, and pest control needs in the Pacific Northwest don't follow a seasonal calendar
• Join a team that carries a 4.9-star Google rating built on glowing, unsolicited customer reviews — that reputation reflects real work quality, not a marketing campaign
• Take pride in results that reach homeowners directly: last year, the team helped facilitate over $3 million in utility rebates for customers across the region

Our Values — What We Expect From Every Team Member

These aren't posted on a wall. They're reflected in how work gets done every day.

• Honesty first: always lead with the truth, even when it costs us. This is not negotiable.
• Thoroughness: nothing missed, nothing rushed. Customers should feel completely informed when we leave, not anxious about what we skipped.
• Respect for the homeowner: never talk down to someone for not knowing what's under their house or in their attic. Most people don't, and that's fine.
• Pride in clean work: leave every job site better than we found it. The details show.
• Community responsibility: we serve homeowners in the communities where we live. That's a real obligation, and we take it seriously.
• Team longevity over turnover: we invest in people who want to grow with us, and we notice when they do.

Where We Work — Service Areas Across Western Washington

Field roles cover a broad footprint across western Washington. Familiarity with the Pacific Northwest region — its housing stock, climate, and geography — is a genuine asset on this team.

• King County: Seattle, Bellevue, Renton, Kent, Redmond, Kirkland, Shoreline, Burien, Sammamish, Auburn, and Issaquah
• Snohomish County: Lynnwood, Everett, Bothell, Edmonds, and Marysville
• Pierce County and Thurston County service areas
• Island County coverage

Most routes are day routes. Technicians return home at the end of each shift. Local candidates who know these neighborhoods, roads, and communities are especially well-positioned to connect with the homeowners we serve.

How to Apply for a Career With American Crawl

The application process is straightforward. We respect your time and respond to every inquiry, the same way we respond to every customer who reaches out.

To apply, visit our contact page and send your name, the role you're interested in, and a brief note about your background. That's enough to start a conversation. You don't need a polished resume to reach out.

If you prefer talking to someone directly, a phone call works just as well. We'll answer your questions honestly, including what the work actually involves day to day and what growth looks like from the role you're asking about.

American Crawlspace & Pest Services operates under Contractor License #AMERICC911J8. You're applying to a licensed, credible employer with nearly three decades of operating history in the Pacific Northwest.

Related Services

• Learn about our company history and team
• Contact us to apply or ask about open roles

Frequently Asked Questions

Do I need prior crawlspace or pest control experience to apply?

No prior crawlspace or pest control experience is required for entry-level field technician roles. American Crawlspace & Pest Services provides paid training that covers the specific techniques, equipment, and safety practices used on the job. What matters most is a willingness to learn, attention to detail, and a commitment to doing the work correctly every time. If you have relevant trade experience in construction, insulation, or pest management, that's worth mentioning, but it's not a prerequisite to apply.

Will American Crawlspace & Pest Services provide training and certifications after I'm hired?

Yes. The company covers training costs and supports technicians in earning industry certifications, including credentials tied to the PSE and Snohomish PUD utility rebate programs. Pest control roles involve training aligned with WSDA licensing requirements, which is especially valuable given that American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies in this market. Certification support is part of the commitment to keeping the team skilled and the work credible.

Is this year-round, full-time work or seasonal?

This is year-round, full-time work. Crawlspace moisture issues, insulation degradation, and rodent activity don't follow a seasonal pattern in western Washington, so demand across King, Snohomish, Pierce, Thurston, and Island Counties stays consistent throughout the year. The team has maintained operational stability since 1995, and field crews are not subject to the seasonal slowdowns common in other trades. That stability is a deliberate outcome of serving multiple service categories year-round.

What does a typical day look like for a field technician at American Crawlspace & Pest Services?

A typical day starts at the shop or at a job site, where technicians review the scope of work and load equipment before heading to the first home. Jobs vary: one day might involve removing contaminated crawlspace insulation with high-power vacuum equipment and applying enzyme sanitization; another might focus on installing subfloor insulation batts in floor joist cavities or placing vapor barriers. Pest control days include rodent exclusion work, trapping setup, and follow-up monitoring visits. Most routes are local, and technicians return home at the end of each shift. If you have questions about what a specific role involves day to day, reach out through our contact page and we'll walk you through it honestly.

Home › Financing Options

Financing Options for Crawlspace, Attic & Pest Services

Don't Let Cost Stand Between You and a Healthier Home

Big home improvement projects can feel like a lot to take on, especially when the problem is literally out of sight under your floor or above your ceiling. You hear something at night, you notice the heating bill keeps climbing, or an inspector flags your crawlspace, and suddenly you're looking at a project scope that feels both urgent and expensive.

Protecting your home shouldn't have to wait until the timing feels perfect financially. Financing options are available for qualified customers, and the conversation about what works for your budget happens naturally after your free on-site inspection. There's no pressure, no commitment required just to get an accurate picture of what your home actually needs, and no surprises in how we present your options.

Call American Crawlspace & Pest Services at [Needs your input: verified phone number] to schedule your free inspection, or contact us online to start the conversation. The team serves Seattle, Lynnwood, Bellevue, Everett, and communities throughout King, Snohomish, Pierce, Thurston, and Island Counties.

What Our Financing Options Cover

Financing can apply to the full range of services we provide, including single-service projects and bundled whole-home scopes.

• Crawlspace insulation removal and reinstallation, including debris cleanup and sanitization
• Subfloor insulation installation (R30 fiberglass batts, formaldehyde-free)
• Attic insulation, blown in to proper depth with correct venting
• Rodent exclusion and removal, including hole sealing, trapping, cleanup, and ongoing monitoring
• Vapor barrier installation to manage moisture intrusion
• Sump pump and crawlspace drainage systems
• Duct sealing and insulation to reduce heating energy loss
• Mold remediation in crawlspaces and attics

Moisture, pests, and energy loss are connected problems that often need to be addressed together. A whole-home approach typically produces better long-term results than treating each issue separately, and it also means a larger project total. Financing makes that kind of thorough, connected scope genuinely feasible for most households. Commercial properties and multifamily housing in our service area are also eligible to discuss financing arrangements.

How Our Financing Process Works

The process is straightforward and follows the same honest, no-pressure approach you'll find in everything we do.

Step 1: Schedule Your Free Inspection

A trained, in-house technician visits your home at no charge and with no obligation. We look at what's actually there, document what we find, and give you an honest picture of the condition of your crawlspace, attic, or pest situation.

Step 2: Receive a Detailed Scope and Quote

You'll get a clear, written project scope and price. No vague estimates, no line items that expand after work begins.

Step 3: Ask About Financing During the Consultation

Once you have a quote in hand, that's the right moment to ask about financing options for qualified customers. We walk you through what's available and answer your questions plainly.

Step 4: Approval, Scheduling, and Work

Once financing is approved, we schedule the work with our fully in-house crews. Every technician who enters your home is trained, vetted, and employed directly by us. That's not a detail we take lightly. It's the only way we can stand behind our lifetime guarantee with real confidence.

Ready to start? Request your free inspection and we'll take it from there.

Maximize Your Investment: Utility Rebates That Work Alongside Financing

Financing covers your upfront cost. Utility rebates reduce the total amount you're financing. Used together, they're a meaningful combination.

American Crawlspace & Pest Services works directly with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas as a registered, approved rebate contractor. Last year alone, we facilitated over $3 million in utility rebates for customers across the region. No other crawlspace and insulation contractor in our market processes more rebates than we do.

Services that commonly qualify for rebates include attic insulation, subfloor insulation, and duct sealing. Rebate amounts vary by utility provider and project scope, and eligibility depends on your specific home and utility account. You can find more detail on our rebates page.

We handle the rebate paperwork on your behalf. You don't need to navigate utility program portals, track down the right forms, or guess whether your project qualifies. We've done this thousands of times, and we make sure the rebate money you're entitled to actually reaches you.

Why Financing Your Home Protection Makes Financial Sense

The math tends to work in your favor when you look at the full picture.

• Properly installed insulation reduces heating and cooling bills by up to 20% or more. Those savings start the month after installation, while financing spreads the cost over time.
• New insulation installed by American Crawlspace & Pest Services carries a lifetime warranty against rodent damage when you're enrolled in our ongoing monitoring program. That's materials and labor covered, no fine print, for as long as you're on pest service. Financing a project with that kind of long-term protection behind it is a different calculation than financing something that might need to be redone.
• Nearly 25,000 homes served across the Pacific Northwest since 1995. Our 4.9-star Google rating, earned through hundreds of five-star reviews, reflects what customers actually experience, not what we say about ourselves.
• American Crawlspace & Pest Services is 100% locally and family owned. The people making decisions about your project are the same people who live and work in this community. Financing decisions here aren't made by outside investors optimizing for margin.

Homes and Properties Where Financing Fits

Financing tends to make the most practical sense in a few common situations, though it's available for any qualifying project.

• Single-family homes built before 1990, which are common across King, Snohomish, Pierce, and Thurston Counties. These homes often have original insulation that's well past its useful life, and the scope of full removal and reinstallation can be substantial.
• Homes with active rodent infestations that require both exclusion work and full insulation replacement. Addressing the pest problem and the damage it caused in one connected project tends to be more effective and more cost-efficient than doing them separately.
• Homeowners pursuing energy upgrades and rebate maximization who want to act now rather than defer the project while saving up.
• Commercial properties and multifamily housing where deferred crawlspace or attic maintenance has compounded over time.
• Rental and investment properties where the owner wants to protect the asset and reduce utility costs for tenants.

Areas We Serve

American Crawlspace & Pest Services operates throughout the Puget Sound region with a team of approximately 53 employees, all in-house. Financing is available to qualifying customers across all of our service area.

• King County: Seattle, Bellevue, Renton, Redmond, Kirkland, Burien, Sammamish, Bothell, Auburn, Issaquah, Shoreline, Kent
• Snohomish County: Lynnwood, Everett, Edmonds, Marysville, Bothell
• Pierce County and Thurston County
• Island County

We've been serving Pacific Northwest homeowners since 1995. That's nearly three decades of understanding how this region's climate, housing stock, and pest pressure create specific challenges that require specific solutions.

Frequently Asked Questions About Our Financing Options

See the FAQ section below for answers to common questions about financing eligibility, rebates, and how the process works.

Start With a Free Inspection — Financing Conversation Included

The easiest first step is also free. Schedule a no-obligation on-site inspection and get an honest assessment of what your home needs. There's no commitment required to get that information, and no pressure to move forward on any particular timeline.

If financing makes sense for your project, we'll walk through the options with you during or after the inspection. Financing is for qualified customers, and we'll be straightforward about what's available based on your project scope.

American Crawlspace & Pest Services holds Contractor License #AMERICC911J8 and maintains a 4.8 out of 5 customer satisfaction rating across verified reviews. Our technicians are PSE and Snohomish County PUD certified, and we've helped nearly 25,000 Pacific Northwest households protect their homes. American Crawl, The Team To Call.

Related Services

• Crawlspace insulation removal and installation
• Rodent exclusion and removal process
• Utility rebate programs we work with
• Contact us to schedule your free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Do I need good credit to qualify for financing through American Crawlspace & Pest Services?

Financing is available for qualified customers, and credit requirements depend on the specific financing program available at the time of your project. The best way to find out where you stand is to request a free inspection first, get an accurate quote, and then ask about financing during your consultation. We'll walk you through what's available without pressure, and you'll have all the information you need to make the right decision for your household.

Can I use utility rebates from PSE or Snohomish PUD together with financing to lower my costs?

Yes. Rebates and financing work together, and combining them is one of the most effective ways to manage project costs. A rebate from PSE, Snohomish County PUD, Tacoma Power, or Cascade Natural Gas reduces the total amount you owe, which in turn reduces what you're financing. We handle the rebate paperwork on your behalf, so you're not navigating utility program requirements on your own. You can find details on eligible services and rebate programs on our rebates page.

Which services are eligible for financing — is it just insulation, or does it cover rodent exclusion and other work too?

Financing can apply to the full scope of work we perform, not just insulation. That includes rodent exclusion and removal, vapor barrier installation, sump pump and crawlspace drainage, duct sealing, mold remediation, and bundled whole-home project scopes. Single-service projects and larger combined scopes are both eligible for financing consideration. We'll review your specific project and options during your consultation.

How do I find out if I qualify for financing before committing to any work?

Start with a free, no-obligation inspection. Once we've assessed your home and provided a written project scope and quote, that's the natural point to have the financing conversation. There's no commitment involved in getting an inspection or asking about your options. You'll leave the consultation with a clear picture of project cost, potential rebates, and financing availability, so you can decide what makes sense on your own timeline.

Does financing affect the lifetime warranty on my new insulation?

No. The lifetime warranty on new insulation against rodent damage is tied to enrollment in our ongoing monitoring program, not to how you pay for the project. As long as you're on our pest monitoring service, the warranty covers replacement of both materials and labor with no fine print. Financing your project doesn't change the warranty terms in any way.

How long does the financing approval process take, and when can work begin?

[Needs your input: confirm typical financing approval timeline and average scheduling lead time after approval so we can give customers an accurate expectation here.] In general, once financing is approved, we schedule your project with our fully in-house crews. Because every technician we send is employed and trained directly by us, scheduling depends on current crew availability in your area, which we'll communicate clearly from the start.

Home › Warranty & Guarantee

Our Warranty & Guarantee: Lifetime Protection You Can Actually Count On

What Our Warranty & Guarantee Actually Cover

Most home service companies hand you a warranty card and hope you never read the fine print. The protections American Crawlspace & Pest Services offers are designed to be read — because there isn't much to hide.

Here is exactly what the programs cover:

• Lifetime Rodent Guarantee: Full replacement of both materials and labor if rodents breach new insulation, for as long as you remain enrolled in the pest monitoring service. This is not a materials-only warranty.
• New crawlspace and attic insulation: Protected against rodent damage under the lifetime guarantee from day one of enrollment in monitoring.
• Annual sump pump inspection: Included with the lifetime warranty program at no additional charge. If you have a sump pump installed by our crews, that annual inspection is built in.
• Vapor barrier and moisture protection work: Backed by a quality-of-installation guarantee. The installation meets the standard we set — or we make it right.

One important detail worth understanding: lifetime guarantee coverage is tied to ongoing monitoring enrollment. That connection exists because early detection prevents damage from escalating. A monitoring program that catches a new entry point in October costs far less — for you and for us — than a full reinstallation the following spring. The guarantee and the monitoring work together by design.

Ready to schedule your free inspection? Request an appointment online or call American Crawlspace & Pest Services at [Needs your input: main phone number from site]. The team serves homeowners throughout King, Snohomish, Pierce, Thurston, and Island counties — and the lifetime guarantee starts with the very first visit.

The Lifetime Rodent Guarantee — No Fine Print, No Asterisks

This is a true lifetime guarantee: if rodents damage your new insulation while you're enrolled in our ongoing monitoring service, we replace both the materials and the labor. Not one or the other. Both.

That distinction matters more than it might seem. A materials-only warranty leaves you paying for a crew to come out and do the actual work. The coverage we offer eliminates that exposure entirely.

There's another layer to this guarantee that's easy to overlook. Most crawlspace companies that offer rodent exclusion work do so without a pest control license. American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies operating in this market. That license means our technicians are trained, tested, and regulated under Washington State law — not just doing exclusion work without credentials and calling it pest control.

After your initial rodent exclusion service, a 1-year monitoring period begins automatically. That first year is included. Continued enrollment beyond that year is what keeps the lifetime guarantee active — and because we don't use contracts, you stay enrolled because the service is working, not because you're locked in.

The guarantee is backed by operational scale that a smaller company can't match: nearly 25,000 homes served since 1995. When we make a lifetime commitment, the business is built to honor it.

How the Warranty & Guarantee Program Works — Step by Step

The path from first call to lifetime protection follows a clear sequence. Here's how it works:

• Step 1 — Free inspection: A technician assesses your crawlspace or attic at no cost and with no obligation. You get an honest assessment of what's there — insulation condition, moisture signs, entry points, rodent activity. No pressure, no scare tactics.
• Step 2 — Exclusion and removal work: Entry points are sealed, traps are placed, contaminated insulation is removed using high-power vacuum equipment, and the space is sanitized with a neutralizing enzyme treatment that addresses odor and biological contamination, not just visible debris.
• Step 3 — New insulation installation: Formaldehyde-free fiberglass batts at R30 (crawlspace) or blown-in insulation to proper depth (attic) are installed by our crawlspace insulation and attic insulation crews. All work is done by in-house employees, not subcontractors.
• Step 4 — Monitoring enrollment: Your 1-year monitoring period begins. Technicians return on schedule to check traps, inspect entry points, and confirm the exclusion is holding. Continued enrollment maintains the lifetime guarantee.
• Step 5 — Annual sump pump inspection (where applicable): If a sump pump was installed as part of your project, the annual inspection is included with the warranty program — no scheduling hurdles, no added invoice.

Every step is performed by trained, vetted, in-house crews. That's not a marketing point — it's the reason the lifetime guarantee can exist at all. You can't stand behind a lifetime promise when your crew changes every month.

Why Our Guarantee Means More Than a Piece of Paper

A guarantee is only as strong as the company behind it. These are the factors that determine whether a lifetime commitment actually holds up over time.

American Crawlspace & Pest Services has been locally and family owned since 1995. The people who make decisions about how work gets done live in the same communities where the work happens — Snohomish County, King County, Pierce County, Thurston County. There are no outside investors setting cost-cutting targets. When a warranty claim comes in five years from now, the same ownership is here to honor it.

The team reflects that stability. Management averages more than 8 years with the company. Many crew members have been here 5 years or longer. For a guarantee that spans a lifetime, that kind of continuity is what makes the promise real rather than theoretical.

At approximately 53 employees, this is a company with the operational depth to support long-term commitments. That's a meaningful difference from a two-truck operation offering the same promises with far fewer resources to back them up.

The company carries Contractor License #AMERICC911J8 and holds a 4.9-star Google rating built on hundreds of verified five-star reviews. That reputation wasn't built through advertising — it was earned through follow-through on exactly the kind of commitments described on this page.

Types of Work Covered Under Our Protection Programs

The warranty and guarantee programs apply across the full range of services the company performs:

• Crawlspace insulation removal and reinstallation
• Attic blown-in insulation installation
• Rodent exclusion, trapping, and sanitization
• Vapor barrier installation
• Sump pump installation, with annual inspection included
• Duct sealing and insulation (work that qualifies for PSE and PUD rebates)
• Mold remediation in crawlspaces and attics
• Commercial crawlspace and multifamily housing services

If you're unsure whether a specific project you're considering falls under a warranty program, that's exactly the kind of question to raise during the free inspection. You'll get a direct answer before any work begins.

Rebate Eligibility — Another Layer of Value in Our Guarantee

The work covered by our warranty programs also qualifies for meaningful utility rebates — and American Crawlspace & Pest Services handles that process directly.

The company is a registered, approved contractor with Puget Sound Energy (PSE), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Last year alone, the team facilitated over $3 million in utility rebates for customers across the region. No other crawlspace contractor in this market processes more rebate volume.

PSE and PUD certified technicians are on staff, which means rebate paperwork is completed correctly the first time. Customers who take advantage of rebate-eligible insulation and duct sealing work can reduce their energy bills by up to 20 percent or more — which lowers the upfront investment in work that's already protected by a lifetime guarantee.

You can find more detail about qualifying upgrades and how to apply on our utility rebate information page. The short version: if you're doing insulation or duct work, rebates almost certainly apply, and we handle the submission.

Areas We Serve Under Our Warranty Program

The lifetime warranty and guarantee programs apply to all service areas the company covers across the Puget Sound region:

• King County: Seattle, Bellevue, Kent, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, and Issaquah
• Snohomish County: Lynnwood, Everett, Edmonds, Marysville, and Bothell
• Pierce County and Thurston County service areas
• Island County coverage

One point worth knowing: the warranty travels with the work, not with a specific technician. Because all crews are in-house employees trained to the same standards, there is no single person your coverage depends on. The company's infrastructure — licensing, training, monitoring systems, and ownership continuity — is what backs the guarantee. That remains true whether you're in Kirkland or Marysville, Auburn or Edmonds.

Get Your Free Inspection — and Start Your Lifetime Protection

The first step is straightforward: schedule a free, no-obligation inspection. A technician comes to your home, looks at what's actually happening in your crawlspace or attic, and gives you an honest report. No pressure. No alarm-raising designed to sell you something you don't need. Just a clear picture of current conditions and what, if anything, should be done about them.

American Crawlspace & Pest Services holds a 4.8 out of 5 customer satisfaction rating across the web — a number built one honest inspection at a time, across nearly 25,000 homes served since 1995. The team serves homeowners throughout King, Snohomish, Pierce, Thurston, and Island counties.

American Crawl, The Team To Call.

Related Services

• Rodent exclusion and pest control services
• Crawlspace insulation removal and installation
• Attic insulation installation
• Utility rebates for insulation and duct sealing
• Contact us to schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Does the lifetime rodent guarantee cover both materials and labor, or just materials?

Both materials and labor are fully covered under the lifetime rodent guarantee — not one or the other. That means if rodents breach your new insulation while you're enrolled in the ongoing pest monitoring service, we replace the insulation and send the crew to do the work at no charge to you. Most crawlspace companies that offer any kind of rodent warranty cover only materials, leaving homeowners responsible for labor costs. That distinction is the reason we're specific about it: coverage that excludes labor isn't a true guarantee.

Do I have to sign a long-term contract to keep the warranty active?

No contract is required. American Crawlspace & Pest Services uses a no-contract model for ongoing pest monitoring, which means you continue enrollment because the service is delivering results — not because a signed agreement locks you in. Continued enrollment in the monitoring program is what keeps the lifetime rodent guarantee active, but that enrollment runs month to month. If you ever want to stop, you can. We prefer to earn continued business through the quality of the work rather than through paperwork.

What happens to my warranty if I sell my home?

[Needs your input: confirm whether the lifetime rodent guarantee and/or other warranty programs are transferable to a new homeowner upon sale of the property, and under what conditions.] In general, the warranty is tied to the work performed at the property and the monitoring enrollment status — not to a specific homeowner. Please confirm the exact transfer policy with our team when you schedule your free inspection, so you have the accurate details in writing before any work begins.

How does the 1-year monitoring period work after my initial rodent exclusion service?

After the initial rodent exclusion work is complete, a 1-year monitoring period begins automatically and is included at no additional charge. During that year, technicians return on a set schedule to check traps, inspect entry points, and confirm the exclusion is holding. This first year of monitoring activates the lifetime guarantee on new insulation. At the end of the 1-year period, continued enrollment in the monitoring program — on a no-contract basis — keeps the lifetime guarantee in effect. If monitoring lapses, the lifetime guarantee would no longer be active during the gap.

Is the sump pump inspection really included at no extra charge?

Yes. An annual sump pump inspection is included with the lifetime warranty program for customers who had a sump pump installed by our crews — there is no separate inspection fee. The inspection is built into the warranty program because sump pump function is directly connected to crawlspace moisture conditions, which in turn affects insulation performance and the overall health of the space. Catching a failing pump early prevents the kind of water intrusion that undermines everything else that was installed and protected.

Can I get the lifetime guarantee without enrolling in ongoing pest monitoring?

The lifetime rodent guarantee requires active enrollment in the ongoing pest monitoring service to remain in effect. The monitoring and the guarantee are connected by design: monitoring provides the early detection that makes a lifetime promise sustainable for both the homeowner and the company. Without monitoring, new entry points can go undetected until significant damage has occurred — and a guarantee without a detection system in place would have no way to prevent that outcome. The first year of monitoring is included after your initial rodent exclusion service, so enrollment begins immediately after the work is done.

Home › Cities

Crawlspace & Pest Service Areas Across the Puget Sound Region

Proudly Serving Western Washington Since 1995

Since 1995, American Crawlspace & Pest Services has worked inside the crawlspaces and attics of nearly 25,000 homes across the Pacific Northwest. That's not a marketing number — it's the count of families and property owners who trusted us under their floors and above their ceilings, often in the most overlooked corners of their homes.

The company is 100% locally and family owned. No outside investors shape how we work or what we promise. The people making decisions about your home are the same people who live in Snohomish County, commute through Seattle traffic, and deal with the same wet winters you do. Our management team averages 8 or more years with the company, and many crew members have been here since the earliest years. That kind of continuity is rare in a trade-services business, and it shows in the quality of every job.

With roughly 53 in-house employees, we have the operational scale to respond quickly across a wide service footprint — without leaning on subcontractors. Every technician who enters your home is trained, vetted, and on our payroll. That's the only way we can stand behind a lifetime guarantee with confidence.

Customers have noticed. We carry a 4.9-star Google rating and a 4.8 out of 5 overall satisfaction rating across review platforms. Those scores come from unsolicited reviews, not campaigns — feedback from homeowners in Kirkland, Marysville, Issaquah, and dozens of other communities who wanted to tell their neighbors what the experience was actually like.

Pacific Northwest homes face specific challenges: persistent ground moisture, clay-heavy soils that trap water, and regional pest pressures from Norway rats, deer mice, and moisture ants that a national playbook simply won't address the same way. Thirty years of local work has given us a granular understanding of how these problems behave in Puget Sound conditions — and how to fix them properly the first time.

Ready to find out what's happening in your crawlspace or attic? Call American Crawlspace & Pest Services at (425) 490-3880 to schedule your free on-site inspection, or contact us online to request a time that works for you. Serving King, Snohomish, Pierce, Thurston, and Island Counties — no obligation, no pressure, just honest answers.

Counties Where We Provide Crawlspace & Pest Services

Our crews operate across five counties in Western Washington. Here's what that coverage looks like for each area, including which utility rebate programs may apply to work at your address.

King County

We serve the full county, from Seattle neighborhoods to suburban communities in Bellevue, Renton, Kent, Sammamish, Kirkland, Redmond, Burien, Shoreline, Auburn, and Issaquah. Services include crawlspace and attic insulation removal and installation, rodent exclusion, vapor barrier installation, sump pump installation, duct sealing and insulation, and mold remediation. Homeowners in Puget Sound Energy territory may qualify for PSE rebates on insulation and duct sealing work — we're a registered and approved PSE contractor.

Snohomish County

Coverage spans Everett, Lynnwood, Bothell, Edmonds, Marysville, and surrounding communities. In addition to PSE rebates, eligible customers in Snohomish County PUD territory can access PUD rebate programs for insulation and energy upgrades. Our technicians are certified by both PSE and Snohomish County PUD, and we facilitated over $3 million in utility rebates for customers last year across all programs combined.

Pierce County

We serve Pierce County homeowners and commercial property managers with the same full-service scope: crawlspace insulation, rodent exclusion, attic insulation, vapor barriers, sump pumps, duct sealing, and mold remediation. Customers in Tacoma Power territory may qualify for Tacoma Power rebates on qualifying energy upgrades.

Thurston County

Our service extends south into Thurston County, where we handle crawlspace and attic work for residential and commercial properties. Cascade Natural Gas customers in this area may qualify for rebates on insulation improvements.

Island County

We serve communities across Whidbey Island and Camano Island. The moisture environment on the islands creates specific challenges for crawlspace health and insulation performance — challenges our crews know well from years of work in the area. All standard services are available, and we're happy to discuss scheduling for Island County properties when you contact us.

Across all five counties, no subcontractors are used. Every crew member who arrives at your door is trained, vetted, and employed directly by American Crawlspace & Pest Services.

Cities We Serve Across King, Snohomish, Pierce, Thurston & Island Counties

Below is the full list of cities and communities in our service area. If you don't see your city listed, call or contact us through our website — we may still be able to help depending on your location.

• Auburn
• Bellevue
• Bothell
• Burien
• Camano Island (Island County)
• Edmonds
• Everett
• Issaquah
• Kent
• Kirkland
• Lynnwood
• Marysville
• Redmond
• Renton
• Sammamish
• Seattle
• Shoreline
• Whidbey Island communities (Island County)

This list covers the core cities where our crews work regularly, but our service area extends throughout King, Snohomish, Pierce, Thurston, and Island Counties. If you're located within these counties, there's a good chance we serve your area. Reach out and we'll confirm coverage during your free inspection scheduling call.

What Our Service Area Coverage Includes

Every city and county we serve has access to our full range of services. There's no limited menu for outlying areas. Here's what's available to homeowners and property managers throughout our coverage zone, which you can explore further on our services overview page.

• Crawlspace and attic insulation removal and installation: We remove contaminated, damaged, or undersized insulation using high-power vacuum equipment, then clean and sanitize the space before installing new insulation. For subfloors, we use R-30 fiberglass batts made from recycled, formaldehyde-free materials. Attic installations are blown in to proper depth with correct venting baffles in place.
• Rodent exclusion and removal: Our 4-step process covers inspection, exclusion and trapping, cleanup and sanitization with neutralizing enzyme treatment, and ongoing monitoring. Enrollment in our monitoring service activates the Lifetime Rodent Guarantee, which covers both materials and labor with no fine print.
• Vapor barrier installation: Installed in crawlspaces to prevent moisture intrusion that damages insulation and structural wood.
• Sump pumps and crawlspace drainage: Installation and annual inspection included with the lifetime warranty program.
• Duct sealing and insulation: Sealing and insulating heating ducts to reduce energy loss. This work qualifies for rebates through PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas depending on your utility provider.
• Mold remediation: Professional mold removal and remediation in crawlspaces and attics to restore healthy home environments.
• Commercial and multifamily services: The same scope of services is available for commercial properties and multifamily housing across all five covered counties.
• Free on-site inspections: Available with no obligation to every homeowner and property manager in every city and county we serve.

Why Pacific Northwest Homeowners Choose American Crawlspace & Pest Services

A lot of companies can pull insulation and set traps. Fewer can back their work with a lifetime guarantee that actually means something. Here's what sets us apart across every community we serve.

Lifetime Rodent Guarantee — Materials and Labor

When you stay enrolled in our pest monitoring service, we cover full replacement of both materials and labor if rodents ever damage your new insulation. No fine print. No asterisks. This guarantee is only possible because we use our own trained employees — not outside contractors we can't vouch for.

WSDA Pest Control License

We're one of only two WSDA-licensed full-service pest control companies in our market. Most crawlspace companies perform rodent exclusion without this license. That distinction matters when it comes to the scope and legality of what we're permitted to do inside your home.

Region's Leading Rebate Partner

We work directly with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Last year, we facilitated over $3 million in utility rebates for customers. No other company in this region processes more rebate volume through these programs. Our co-branded materials and badge rights with each utility partner are verifiable proof of that relationship — not a self-applied label.

No-Contract Pest Control

Our pest monitoring service runs on Integrated Pest Management principles. We address the root cause through exclusion, trapping, and baiting. We don't lock you into a contract — we earn your continued business by actually solving the problem.

Whole-Home Thinking

Moisture, pests, and energy loss are connected. A crawlspace that traps water creates ideal conditions for rodents and mold, which then compromise insulation, which drives up your heating bill. We install drainage systems, remediate mold, seal venting, air seal the home envelope, and seal HVAC ducts — because treating one problem in isolation often means the others come back.

Properly installed insulation can reduce energy bills by 20% or more. Contractor License #AMERICC911J8. PSE and Snohomish County PUD certified technicians on staff.

Benefits of Choosing a Local Service Area Expert

A company that operates in the Pacific Northwest year-round develops a different kind of knowledge than one managing crews from a central office in another state. Here's what local ownership and a long-tenured team actually look like in practice.

Decision-makers at American Crawlspace & Pest Services live and work in the same counties and cities they serve. When a homeowner in Edmonds describes what they're hearing at night, or a property manager in Sammamish reports recurring moisture problems, those descriptions land with context that takes years to build. Our team knows the difference between a deer mouse pressure pattern in Marysville and a Norway rat entry point pattern common in older Seattle-area homes near waterways.

The regional pest behavior knowledge extends to moisture, too. Puget Sound's clay-heavy soils, high annual rainfall, and the temperature swings that hit crawlspaces hardest in late fall and early spring require specific installation approaches. A standard national-program template doesn't account for these variables. Thirty years of Pacific Northwest work does.

Our utility partner relationships are another form of local credibility. Co-branded materials and badge rights with PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily aren't obtained by volume alone — they reflect verified contractor standards and ongoing compliance.

The team you meet is also the team that stays. Some of our crew members have been with the company for five years or more, and our management team averages over eight years of tenure. That continuity means the person who did your inspection and the crew that showed up for installation are likely people who have done this work together many times — which shows in the quality and consistency of results.

Schedule Your Free Inspection — We Come to You

Every homeowner and property manager in our service area qualifies for a free on-site inspection with no obligation to proceed. One of our trained technicians will assess your crawlspace or attic, document what they find, and explain it in plain language — no pressure, no alarm tactics, just an honest picture of what's there and what your options are.

Financing is available for qualified customers, so cost doesn't have to be a barrier to getting the inspection scheduled. We'd rather you know what's happening under your home than wonder about it.

We serve King, Snohomish, Pierce, Thurston, and Island Counties. Request your free on-site inspection online, or call us to get scheduled. American Crawl — The Team To Call.

Related Services

• See all services we offer across our coverage area
• Request a free on-site inspection in your city

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

Do you serve all cities in King County, or just certain areas?

Yes, we serve the full King County area, including Seattle, Bellevue, Renton, Kent, Kirkland, Redmond, Sammamish, Burien, Shoreline, Auburn, and Issaquah. If you're located within King County and aren't sure whether we cover your specific neighborhood, call us or submit a request through our contact page and we'll confirm right away. Our crews work throughout the county on a regular basis, so response time is generally consistent regardless of which part of King County you're in.

Can you help with rebates from Puget Sound Energy or Snohomish County PUD in my city?

Yes, and this is an area where our contractor status makes a real difference. We're a registered and approved contractor with both PSE and Snohomish County PUD, and we also work with Tacoma Power and Cascade Natural Gas. Last year, we facilitated over $3 million in utility rebates for customers across these programs. Eligibility depends on your utility provider and the specific work being done, so the easiest way to find out what applies to your home is to schedule a free inspection — we'll identify qualifying work and walk you through the rebate process.

My city isn't on the list — can American Crawlspace & Pest Services still help me?

Possibly, yes. The city list on this page covers our most frequently served communities, but our service area spans all of King, Snohomish, Pierce, Thurston, and Island Counties. If you're within those county boundaries, there's a reasonable chance we can schedule a crew to your location. Reach out through our contact page with your address or zip code and we'll give you a straight answer about coverage and scheduling.

Do you send subcontractors, or are all technicians your own employees?

Every technician who enters your home is a direct employee of American Crawlspace & Pest Services — trained, vetted, and on our payroll. We don't use subcontractors at any point in the process. This is not a small distinction: our Lifetime Rodent Guarantee covers both materials and labor because we control the quality of the work from start to finish, which we can only do with our own crews. With roughly 53 employees, we have the team size to handle demand across our full service area without outsourcing.

Is the free inspection really available in every service area city?

Yes, the free on-site inspection is available with no obligation to every homeowner and property manager in every city and county we serve — no geographic exceptions within our coverage area. One of our trained technicians comes to your property, assesses the crawlspace or attic, documents what they find, and explains it in plain language. There's no charge for the inspection and no pressure to book follow-up work.

Do you offer commercial crawlspace services across all your covered counties?

Yes, commercial and multifamily housing services are available throughout all five counties — King, Snohomish, Pierce, Thurston, and Island. The scope includes crawlspace and attic insulation removal and installation, rodent exclusion, vapor barrier installation, sump pumps, duct sealing, and mold remediation. Commercial scheduling and project scope can vary, so the best starting point is a conversation with our team about your property type, size, and timeline.

Home › Cities › Lynnwood, WA

Crawlspace & Pest Services in Lynnwood, WA

Lynnwood Homeowners, We Know What's Under Your House

Cold floors in January. A scratching sound at 2 a.m. A heating bill that climbs every winter no matter what you do. If any of that sounds familiar, you're not alone — and you're not imagining it. These are among the most common concerns we hear from homeowners throughout Lynnwood and the surrounding Snohomish County communities, and they almost always trace back to what's happening in the crawlspace or attic.

The Pacific Northwest climate is genuinely hard on homes. Lynnwood averages over 37 inches of rain a year, and the humidity that settles into crawlspaces during fall and winter creates conditions where moisture intrusion, mold, and rodent activity thrive — especially in homes built before 1990, when insulation standards and vapor management were far less stringent. Many of those homes still have their original crawlspace insulation, which can sag, compress, absorb moisture, or become contaminated over time without any visible sign from inside the house.

American Crawlspace & Pest Services has been working inside Puget Sound homes since 1995. The company is 100% locally and family owned — not a national franchise, not a private equity operation. The people making decisions about your home live and work in this region. Across nearly 25,000 homes served throughout the Puget Sound area, we've earned a 4.9-star Google rating built on hundreds of five-star reviews from homeowners who wanted honest answers, not a sales pitch. American Crawl, The Team To Call.

Have questions about your Lynnwood crawlspace, attic, or pest situation? Call American Crawlspace & Pest Services at [Needs your input: verified business phone number] or contact us to schedule your free inspection. The team serves Lynnwood and communities throughout Snohomish County, King County, Pierce County, Thurston County, and Island County.

Services We Provide to Lynnwood, WA Homes

Every home situation is different, so we offer the full range of services needed to address crawlspace and attic problems from the ground up. Here's what we do for Lynnwood homeowners:

• Crawlspace Insulation Removal: We use high-power vacuum equipment to pull out old, contaminated, or damaged insulation. That includes rodent dropping cleanup, old moisture barrier removal, and sanitization with a neutralizing enzyme treatment. Learn more about our crawlspace insulation services.
• Subfloor Insulation Installation: New R30 fiberglass batt insulation, secured snugly into floor joist cavities using twine or lathe. All products are formaldehyde-free and made from recycled glass and sand.
• Attic Insulation Installation: Blown-in insulation distributed to a minimum depth of 8 to 10 inches, with proper venting baffles to maintain airflow. Upgrades like these reduce heating costs by 20% or more. See how attic insulation installation works.
• Rodent Exclusion and Removal: A four-step process covering inspection, hole sealing and trapping, cleanup and sanitization, and ongoing monitoring. Backed by a lifetime guarantee on new insulation against rodent damage. Details on our rodent exclusion process are available online.
• Vapor Barrier Installation: Moisture barriers installed in crawlspaces to protect both the insulation and the structural framing from water intrusion.
• Duct Sealing and Insulation: Sealing and insulating heating ducts to cut energy loss. This work qualifies for PSE and Snohomish County PUD rebates.
• Mold Remediation: Professional removal and remediation of mold in crawlspaces and attics to restore safe, healthy conditions.
• Sump Pumps and Crawl Drainage: Installation and management of drainage systems, with annual sump pump inspection included in the lifetime warranty program.

Not sure which services apply to your home? Schedule a free inspection and we'll walk through everything with you.

How Our Lynnwood Crawlspace and Pest Process Works

We follow the same thorough six-step process on every Lynnwood job, because skipping steps is how problems come back.

Step 1: Free On-Site Inspection

A trained technician visits your home at no cost and no obligation. We examine the crawlspace, attic, and any potential entry points for pests or moisture. You don't need to know what to look for — that's our job.

Step 2: Honest Findings Report

After the inspection, we tell you exactly what we found and why it matters. We don't manufacture alarm, and we don't minimize real problems. If your insulation is fine, we'll say so. If it's not, we'll show you the evidence and explain your options clearly.

Step 3: Removal and Remediation

Contaminated insulation, rodent debris, mold, and old moisture barriers are removed using high-power vacuum equipment. Work areas are kept clean and protected throughout.

Step 4: Installation and Exclusion

New insulation, vapor barriers, rodent entry point sealing, and duct sealing are installed based on what your home actually needs. Nothing is added just to pad a project.

Step 5: Sanitization

We treat affected areas with a neutralizing enzyme formula that deodorizes and disinfects, addressing the biological residue that rodents and mold leave behind.

Step 6: Ongoing Monitoring and Warranty

Homeowners who enroll in our pest monitoring service receive a lifetime guarantee on new insulation against rodent damage — materials and labor both covered, with no fine print and no asterisks. A one-year monitoring period is included after exclusion work.

Why Lynnwood Residents Choose American Crawlspace & Pest Services

There are several crawlspace companies operating in the Snohomish County market. Here's what separates American Crawlspace & Pest Services from the rest:

• Lifetime Rodent Guarantee — Materials and Labor: Full replacement of insulation materials and labor for as long as you remain on pest service. No fine print, no asterisks.
• One of Only Two WSDA-Licensed Full-Service Pest Control Companies in This Market: Most crawlspace companies do rodent exclusion without a pest control license. We hold a Washington State Department of Agriculture pest control license, which is something fewer than two companies among dozens of regional competitors can say.
• 100% In-House Crews: Every technician who enters your home is trained, vetted, and employed directly by us. That's the only way we can stand behind a lifetime guarantee with confidence.
• Locally and Family Owned: The people making decisions about your project live in this community. Contractor License #AMERICC911J8.
• Long-Tenured Team: Management averages 8-plus years with the company. Many crew members have been here five years or more. That kind of continuity shows up in the quality of the work.
• Operational Scale: With approximately 53 employees, we have the staffing and equipment depth to serve Lynnwood homeowners reliably — not the uncertainty of a two-person operation.
• Proven Track Record: 4.8 out of 5 customer satisfaction rating across the web. 4.9 stars on Google with hundreds of five-star reviews, earned through service quality, not marketing spend.

Lynnwood Utility Rebates: Save More on Your Insulation Upgrade

Lynnwood homeowners served by Snohomish County PUD or Puget Sound Energy can qualify for significant rebates on qualifying insulation and duct sealing upgrades. American Crawlspace & Pest Services is a registered approved contractor with both utilities, and we facilitated over $3 million in utility rebates for customers last year — more than any other provider in the region.

Services that typically qualify include attic insulation installation, subfloor insulation installation, and duct sealing. Rebate amounts vary based on the scope of work and the utility program in effect at the time of your project.

The part most homeowners dread — the paperwork — is handled by our team. You don't need to track down forms, figure out which program applies, or chase down reimbursements. We manage that process as part of the job. Combined with energy bill savings of 20% or more after upgrades, the financial case for moving forward is often stronger than homeowners expect.

To find out which rebates apply to your Lynnwood home, reach out for a free inspection and we'll review your eligibility at the same time. You can also see an overview of current programs on our utility rebates page.

Properties and Home Types We Service in Lynnwood

The housing stock in Lynnwood spans several decades, and the challenges vary by era. Homes built in the 1960s, 1970s, and 1980s — common throughout neighborhoods like Meadowdale, Alderwood, and along the 196th Street corridor — often have unconditioned crawlspaces with vented perimeters that allow outside air (and the pests that travel with it) direct access to the subfloor cavity. Original insulation in these homes, if still present, is frequently compressed, moisture-damaged, or contaminated.

We service all of the following in Lynnwood:

• Single-family homes, particularly pre-1990 builds with crawlspaces or vented attics
• Homes with standing water or drainage issues in the crawlspace
• Homes with active or suspected rodent activity
• Multifamily properties and commercial buildings in the Lynnwood area
• Homes in need of whole-home systems work — because moisture, pest pressure, and energy loss are connected problems that need a connected approach

Areas We Serve Near Lynnwood, WA

Lynnwood sits at the center of our Snohomish County service area. We regularly work in nearby communities including Edmonds, Bothell, Shoreline, Mountlake Terrace, Everett, and Marysville. Across the county line, we serve Seattle, Bellevue, Kirkland, Redmond, Renton, Kenmore, and communities throughout King County.

Full geographic coverage includes Snohomish County, King County, Pierce County, Thurston County, and Island County. We are a Pacific Northwest company — built here, operating here, accountable here. There's no national corporate office setting policy for how we work in your neighborhood.

Get Your Free Lynnwood Home Inspection — No Obligation

The best way to know what's actually happening under your Lynnwood home is to have a trained technician take a look. The inspection is free, there's no pressure to commit to anything, and we'll give you an honest account of what we find whether or not it leads to a project.

Financing is available for qualified customers, and free sump pump inspections are included for homeowners on our lifetime warranty program. Every job we complete is backed by the same guarantee that has protected Puget Sound families since 1995: a lifetime warranty on new insulation against rodent damage, covering both materials and labor, with no asterisks attached.

Schedule your free inspection online or call us to talk through your situation. American Crawl, The Team To Call.

Related Services

• Crawlspace insulation services
• Attic insulation installation
• Rodent exclusion and removal
• Utility rebate programs
• Schedule a free inspection

Areas We Serve

• Snohomish County
• King County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Lynnwood home's crawlspace insulation needs to be replaced?

Several signs point to insulation that has reached the end of its useful life: floors that feel cold in winter even with the heat running, a musty or animal odor coming from the crawlspace, visible sagging or falling insulation batts, or evidence of rodent activity such as droppings or nesting material. Insulation in pre-1990 Lynnwood homes is especially likely to be compromised, since older fiberglass batts absorb moisture over time and lose most of their thermal value when wet. The most reliable way to know for certain is a free on-site inspection — a technician will go into the crawlspace and show you exactly what's there.

Does American Crawlspace & Pest Services work with Snohomish County PUD for insulation rebates in Lynnwood?

Yes. American Crawlspace & Pest Services is a registered approved contractor with Snohomish County PUD, which means Lynnwood homeowners on the PUD grid can qualify for rebates on attic insulation, subfloor insulation, and duct sealing through us. We handle the rebate paperwork as part of the project so you don't have to navigate the application process on your own. Last year, we facilitated over $3 million in utility rebates for customers across the region — more than any other provider in the market. See our utility rebates page for current program details.

What is included in the lifetime rodent guarantee for my insulation?

The lifetime rodent guarantee covers full replacement of both insulation materials and labor if rodents damage your new insulation — for as long as you remain enrolled in our ongoing pest monitoring service. There are no asterisks, no hidden exclusions, and no fine print that limits coverage to a specific dollar amount or number of incidents. A one-year monitoring period is included automatically after rodent exclusion work is completed, and you can continue the monitoring program beyond that first year to keep the guarantee active.

How long does a typical crawlspace insulation removal and reinstallation take for a Lynnwood home?

Most single-family homes in Lynnwood can have their crawlspace insulation removed and replaced within one to two days, depending on the square footage of the crawlspace, the condition of the existing insulation, and whether additional services like vapor barrier installation or rodent exclusion are included in the same project. Your technician will give you a more specific timeline during the free inspection, once the actual scope of the space is assessed.

Are your pest control technicians licensed to work in Washington State?

Yes. American Crawlspace & Pest Services holds a Washington State Department of Agriculture pest control license, making us one of only two fully licensed full-service pest control companies in this market. Most crawlspace companies in the region perform rodent exclusion work without a pest control license, which limits the methods they're legally permitted to use and the guarantees they can offer. Our licensing means every step of the rodent control process — from trapping to baiting to exclusion — is performed by credentialed technicians operating within Washington State regulations.

Do you offer financing for crawlspace or attic insulation projects in Lynnwood?

Yes, financing is available for qualified customers on crawlspace and attic insulation projects. During your free inspection, we'll walk through the scope and cost of the work, and our team can explain the financing options that may apply to your project. Combined with Snohomish County PUD or PSE rebates — which we process on your behalf — many Lynnwood homeowners find the net cost of an upgrade is significantly lower than they expected.

Home › Cities › Seattle, WA

Crawlspace & Pest Services in Seattle, WA

Seattle Homes Deserve More Than a Generic Fix

Seattle's climate is hard on homes in ways that aren't always visible from the curb. Persistent rain, cool temperatures, and the wet shoulder seasons that stretch from October through May push moisture into crawlspaces, soften vapor barriers, and create conditions where mold and rodents thrive. Older insulation compresses, sags, or gets contaminated — and by the time a homeowner notices cold floors or hears scratching at night, the problem under the house has usually been building for years.

A large share of Seattle's housing stock was built before 1990. Craftsman bungalows in Ballard, mid-century ramblers in Rainier Valley, post-war colonials in Northgate — these homes were built to a different standard, and the crawlspaces and attics beneath and above them often show it. Vapor barriers fail. Insulation loses its R-value. Gaps in the home's framing become entry points for rats and mice looking for a dry place to nest.

If you've been lying awake wondering what's moving around under your floors, or you've noticed your heating bill climbing without explanation, you're not alone. American Crawlspace & Pest Services — American Crawl, The Team To Call — has helped nearly 25,000 Pacific Northwest homeowners work through exactly these concerns since 1995. The team knows Seattle's housing stock, its pest pressures, and its climate, and that local knowledge shapes every inspection and every job.

Call American Crawlspace & Pest Services at (425) 257-0550 to schedule your free on-site inspection, or contact the team online to get started. The crew serves Seattle and communities throughout King County, Snohomish County, Pierce County, Thurston County, and Island County.

What Our Seattle Services Include

Every job starts with understanding what's actually happening in your crawlspace or attic. From there, the work is tailored to what your home needs — not a preset package. Here's what the team can handle for Seattle homeowners:

• Crawlspace Insulation Removal: High-power vacuum equipment pulls out contaminated or damaged insulation, rodent droppings, and old vapor barrier material. The space is then treated with a neutralizing enzyme solution that sanitizes and deodorizes before anything new goes in. Learn more about crawlspace insulation removal and replacement.
• Subfloor Insulation Installation: New R30 fiberglass batts — formaldehyde-free, made from recycled glass and sand — are fitted snugly into floor joist cavities and secured so they stay in contact with the subfloor. This is where cold floors get fixed.
• Attic Insulation Installation: Blown-in insulation installed to a minimum of 8–10 inches with proper venting baffles to keep air moving. See how attic insulation installation reduces heating costs and evens out temperatures across the home.
• Rodent Exclusion and Removal: A 4-step process — free inspection, hole sealing and trap installation, cleanup and enzyme sanitization, and ongoing monitoring — that addresses the root cause rather than just treating symptoms. Details on the rodent exclusion and removal process are available on the service page.
• Vapor Barrier Installation: A properly installed vapor barrier keeps ground moisture from rising into the crawlspace where it can damage insulation, framing, and subfloor materials over time.
• Duct Sealing and Insulation: Leaky heating ducts waste energy and create uneven temperatures. Sealing and insulating ducts improves HVAC efficiency and qualifies for PSE rebates.
• Mold Remediation: Professional mold removal for crawlspaces and attics, restoring a safe environment before new insulation or barriers go in.
• Sump Pumps and Crawlspace Drainage: Standing water under a Seattle home is a structural risk. Sump pump installation and crawlspace drainage systems manage water before it causes lasting damage.

Benefits Seattle Homeowners Get With American Crawl

The work has real, measurable effects on how your home feels and what it costs to run:

• Energy bill reduction of up to 20% or more for homes with older or missing insulation — a meaningful number for Seattle households facing rising utility costs.
• Lifetime warranty on new insulation against rodent damage when you're enrolled in the ongoing monitoring program. That covers materials and labor, with no fine print and no asterisks. It's backed by in-house crews the company employs directly, which is the only way to stand behind a guarantee that strong.
• A healthier indoor environment through enzyme sanitization, professional mold remediation, and formaldehyde-free insulation products that don't off-gas into your living space.
• Whole-home thinking rather than single-problem tickets. Moisture, pests, and energy loss are connected. Treating them in isolation misses the relationships between them — a wet crawlspace draws rodents, rodents damage insulation, damaged insulation drives up heating costs. American Crawl looks at the full picture.
• PSE rebate eligibility without the paperwork headache. American Crawl is one of the region's leading rebate partners, facilitating over $3 million in utility rebates for customers last year. The team handles the application process so Seattle homeowners don't leave rebate money unclaimed.
• Free on-site inspection with no obligation. The team comes to your home, assesses the crawlspace, attic, insulation condition, moisture levels, and any pest activity, and tells you exactly what they found. No pressure to book anything on the spot.

Why Seattle Homeowners Choose American Crawlspace & Pest Services

There are a lot of companies willing to go under your house. Fewer of them are equipped, licensed, and staffed to do it right — and to stand behind the work afterward.

American Crawlspace & Pest Services is 100% locally and family owned. The people making decisions about your home are the same people who live and work in this region — not outside investors managing a portfolio. That means the company's reputation in Seattle neighborhoods is personal, not just professional.

On the pest side, the difference is significant: American Crawl is one of only two WSDA-licensed full-service pest control companies in this market. Most crawlspace companies handle rodent exclusion without a pest control license. That licensing matters for the quality and legality of what's done in your home, and it's not common among competitors.

Every technician who enters your home is trained, vetted, and directly employed by American Crawl — not subcontracted. That's what makes the lifetime rodent guarantee credible. You can't guarantee work performed by crews you don't control. The team's management averages more than 8 years with the company, and many crew members have been on the job for 5 years or more. With approximately 53 employees, the company has the operational depth to handle jobs thoroughly and on schedule.

Pest control is offered without a contract. The approach is Integrated Pest Management — exclusion, trapping, and baiting that addresses why rodents are getting in, not just what to do once they're there. American Crawl earns continued business by solving the problem, not by locking homeowners into agreements. Contractor License #AMERICC911J8. PSE and Snohomish County PUD certified technicians on staff. Ready to start with a free look? Request your free inspection here.

How the Seattle Process Works — Start to Finish

Here's what to expect from the first call through the final walkthrough:

• Step 1 — Free On-Site Inspection: A technician visits your Seattle home, assesses the crawlspace and attic, checks insulation condition, looks for signs of moisture intrusion and pest activity, and documents what's there. No charge, no commitment.
• Step 2 — Honest Assessment: You'll hear exactly what was found and why it matters, explained in plain language. If your insulation is fine and you don't need work, the team will tell you that. No alarm tactics. No inflated scope.
• Step 3 — Removal and Cleanup: If old insulation needs to come out, high-power vacuum equipment handles it thoroughly. A neutralizing enzyme treatment follows, sanitizing surfaces and eliminating odors left behind by rodent activity or moisture damage.
• Step 4 — Installation: New insulation, vapor barrier, drainage system, or duct sealing — whichever your home needs — installed by the same in-house crew that did the cleanup. Protected surfaces, clean work, no mess left behind.
• Step 5 — Exclusion and Monitoring (when rodents are involved): Entry points are sealed, trapping systems are set, and a 1-year monitoring period begins. The lifetime rodent guarantee becomes active for new insulation once enrollment is confirmed.
• Step 6 — Rebate Paperwork: The team handles PSE and utility rebate applications directly. Seattle homeowners who qualify for energy efficiency rebates shouldn't have to navigate that paperwork on their own.

Seattle Property Types We Work In

The team works across a wide range of Seattle-area homes and buildings, including:

• Single-family homes, especially pre-1990 construction in established Seattle neighborhoods where pier-and-beam foundations and dirt crawlspaces are still common
• Craftsman bungalows and older cottages with crawlspaces that haven't been touched in decades
• Mid-century ramblers and split-levels with compressed or missing subfloor insulation
• Townhomes and attached housing where shared crawlspace or attic conditions create moisture or pest challenges
• Multifamily residential and small commercial properties in the Seattle area
• Homes on hillsides or near Lake Washington, Puget Sound, or other water sources where drainage and moisture management are ongoing concerns

If you're not sure whether your property type fits, a free inspection will answer that question without any cost or commitment on your part.

Areas We Serve Near Seattle

American Crawlspace & Pest Services serves Seattle and the surrounding communities throughout King County, Snohomish County, Pierce County, Thurston County, and Island County. Nearby cities include:

• King County: Bellevue, Renton, Kirkland, Redmond, Shoreline, Burien, Sammamish, Auburn, Issaquah, Kent
• Snohomish County: Lynnwood, Everett, Bothell, Edmonds, Marysville
• Pierce County and Thurston County service available
• Island County service area included

If you're in or near Seattle and wondering whether the team can reach you, the answer is almost certainly yes. Reach out to confirm coverage for your address.

Ready to Protect Your Seattle Home? Start With a Free Inspection

The inspection costs nothing and comes with no pressure to book. A technician will assess your crawlspace, attic, insulation, moisture levels, and any pest activity — and then tell you honestly what they found and what, if anything, you should do about it.

American Crawlspace & Pest Services holds a 4.8 out of 5 customer satisfaction rating based on reviews from around the web, and a 4.9-star Google rating backed by hundreds of five-star reviews. The team has served nearly 25,000 homes across the Pacific Northwest since 1995. Financing options are available for qualified customers.

No pressure. No scare tactics. Just an honest look at what's under — and above — your home.

Related Services

• Crawlspace insulation removal and installation
• Rodent exclusion and removal services
• Attic insulation installation
• Schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Seattle home's crawlspace insulation needs to be replaced?

The clearest signs are cold floors despite adequate heating, a noticeable musty or ammonia odor coming from vents or floor registers, or visible evidence of rodent activity such as droppings or nesting material. Homes built before 1990 — common throughout Seattle neighborhoods — often have original insulation that has compressed, become saturated with moisture, or been contaminated by pests over the years. A free on-site inspection from American Crawlspace & Pest Services will give you a direct, honest answer about what's under your home and whether replacement makes sense for your situation.

Does American Crawlspace & Pest Services offer utility rebates for Seattle homeowners?

Yes. American Crawlspace & Pest Services is one of the region's leading rebate partners, working directly with PSE (Puget Sound Energy) and other utility programs to process rebates for qualifying insulation and energy efficiency work. The team handled over $3 million in utility rebates for customers last year and manages the rebate paperwork directly so homeowners don't have to navigate the application process on their own. Contact the team to find out which rebates apply to your home and project.

What does the lifetime rodent warranty actually cover — materials, labor, or both?

The lifetime rodent guarantee covers both materials and labor — a full replacement of insulation damaged by rodents for as long as you remain enrolled in the ongoing pest monitoring service. There's no fine print limiting coverage to one or the other, and no asterisks hiding exclusions. The guarantee is only possible because every technician is a direct employee of American Crawlspace & Pest Services, not a subcontractor, which means the company controls the quality of both the installation and the ongoing monitoring work that keeps the guarantee valid.

How soon can you inspect my Seattle home, and is the inspection really free?

Yes, the inspection is completely free with no obligation to book any service afterward. Scheduling availability varies by season — Seattle's rainy season tends to increase demand for inspections — but the team works to accommodate homeowners promptly. [Needs your input: current average inspection scheduling lead time in Seattle] You can request a time that works for you by calling the team directly or submitting a request through the contact page.

Home › Cities › Bellevue, WA

Crawlspace & Pest Services in Bellevue, WA

Serving Bellevue Homeowners Since 1995

Bellevue gets a lot of rain. Its winters are damp, its crawlspaces are dark, and a surprising number of its homes — particularly those built before 1990 in neighborhoods like Crossroads, Somerset, and Factoria — were constructed with insulation and vapor barriers that were never designed to last this long. If your floors feel cold in January, your energy bills keep climbing, or you've heard something moving under the house at night, those aren't small things to brush off.

Since 1995, American Crawlspace & Pest Services has worked with homeowners across King County to figure out what's actually happening below grade and in the attic — and to fix it properly. Nearly 25,000 homes served across the greater Puget Sound region means the team has seen just about every combination of moisture damage, rodent intrusion, and failing insulation a Pacific Northwest home can produce.

American Crawl is 100% locally and family owned. The people making decisions about how your home is treated live and work in this region — not outside investors reviewing spreadsheets from across the country. That matters when you're letting someone into your crawlspace. American Crawl, The Team To Call.

Call American Crawlspace & Pest Services at (425) 257-5556 to request your free Bellevue crawlspace inspection or talk through what you're seeing at home. You can also schedule through the contact page — the team serves Bellevue and communities throughout King County and the greater Puget Sound region.

What We Do for Bellevue, WA Homes

Every service listed below is performed by in-house crews — technicians who are trained, vetted, and employed directly by American Crawlspace & Pest Services. No subcontracting, no handoffs. That's the only way a lifetime guarantee means anything.

• Crawlspace Insulation Removal: Complete removal of contaminated or damaged insulation, including rodent dropping cleanup, old vapor barrier removal, and enzyme sanitization. High-power vacuum equipment pulls out debris that hand tools miss entirely.
• Subfloor Insulation Installation: R30 fiberglass batts, formaldehyde-free and made from recycled glass and sand, secured snugly to the subfloor so they stay in contact and actually perform. Learn more on the crawlspace insulation service page.
• Attic Insulation Installation: Blown-in insulation installed to a minimum depth of 8–10 inches, distributed evenly, with proper venting baffles maintained to protect air circulation and prevent moisture buildup.
• Vapor Barrier Installation: Ground-cover moisture barriers installed in crawlspaces to stop water vapor from migrating up into the structure and degrading insulation over time.
• Rodent Exclusion & Removal: A four-step process covering inspection, exclusion and trapping, cleanup and sanitization, and ongoing monitoring. Details on the rodent exclusion service page.
• Duct Sealing & Insulation: Heating duct sealing and insulation to reduce energy loss through your floor system — a service that frequently qualifies for PSE and Snohomish County PUD rebates.
• Mold Remediation: Professional mold removal in crawlspaces and attics, restoring a clean, healthy environment before new insulation goes in.
• Sump Pumps & Crawl Drainage: Water management for crawlspaces that collect standing water during Bellevue's wet winters, including sump pump installation and annual inspection under the lifetime warranty program.

Why Bellevue Homeowners Choose American Crawlspace & Pest Services

A lot of companies will pull old insulation and put new insulation in. Fewer will stand behind that work for the life of the insulation — and almost none will do it with no fine print attached.

The Lifetime Rodent Guarantee covers both materials and labor. If rodents damage new insulation while you're enrolled in the ongoing monitoring program, the work gets redone at no cost. No asterisks, no exclusions buried in the fine print. That guarantee is only possible because American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies operating in this market — most crawlspace contractors do rodent exclusion without a pest control license at all.

Pest control here is also offered without a contract. The approach is Integrated Pest Management: exclusion, trapping, and baiting that addresses why rodents are getting in, not just what happens after they do. Continued business is earned, not locked in.

• 4.9 stars on Google with hundreds of five-star reviews
• Management team averaging 8+ years with the company; crew members who have been here since the beginning
• Roughly 53 employees — the operational depth to handle King County's volume without cutting corners
• Free on-site inspections with no pressure and no obligation

Rebate Programs Available to Bellevue Residents

Bellevue is primarily served by Puget Sound Energy, and PSE offers rebates on qualifying insulation and duct sealing upgrades. American Crawlspace & Pest Services is a registered, approved contractor with PSE — which means the rebate process runs through us, not around us.

Last year, the team facilitated over $3 million in utility rebates for customers across the region. That volume reflects years of working directly with PSE, Tacoma Power, and Cascade Natural Gas, and it means the paperwork is familiar territory. You won't spend weeks chasing down forms or wondering whether your project qualifies.

Attic insulation blown in to code depth and duct sealing work are among the most common qualifying upgrades for Bellevue homeowners. Properly sealed and insulated duct systems can reduce energy loss significantly, and combined with attic or subfloor insulation upgrades, savings of 20% or more on heating costs are achievable. Financing is also available for qualified customers when the upfront cost is a concern. See what's available on the rebates and energy efficiency page.

The American Crawl Process — What Bellevue Homeowners Can Expect

From the first call to the final walkthrough, the process is built around making sure you know exactly what was found, what was done, and why it matters.

Step 1 — Free Inspection: A technician visits your Bellevue home and inspects the crawlspace, attic, or both. Everything found is explained in plain language — not alarming, not minimized, just accurate.

Step 2 — Honest Assessment: You receive a clear explanation of the condition of your insulation, vapor barrier, any pest activity, and moisture levels. No pressure. No manufactured urgency. If the problem is minor, you'll hear that too.

Step 3 — Professional Work: High-power vacuum equipment removes contaminated insulation thoroughly. Surfaces are protected during installation. Crews clean up completely before leaving — no debris, no mess left behind.

Step 4 — Sanitization: Where rodent activity or mold is present, affected areas are treated with a neutralizing enzyme sanitizer to eliminate odor and biological contamination before new insulation goes in.

Step 5 — Monitoring and Warranty Enrollment: Ongoing monitoring keeps the exclusion work effective over time and enrolls you in the lifetime rodent guarantee. Annual sump pump inspection is included for customers on the lifetime warranty program.

The whole-home systems perspective matters here. Moisture, pests, and energy loss are connected — a crawlspace that floods encourages mold and rodents, and both undermine insulation performance. Addressing them together, rather than one service call at a time, produces results that last.

Types of Bellevue Properties We Service

American Crawlspace & Pest Services works across a wide range of property types throughout Bellevue and King County.

• Single-family homes, including pre-1990 construction where original insulation has often degraded or been contaminated
• Newer construction homes where moisture or pest problems have developed despite more recent builds
• Older Bellevue neighborhoods with crawlspace foundations — common in areas like Lake Hills, Bridle Trails, and Woodridge
• Multifamily and commercial properties, including apartment buildings and mixed-use structures
• Homes with vented or unvented crawlspaces, including properties with complex duct configurations
• Properties with a documented history of moisture intrusion, mold, or rodent activity
• Homes undergoing renovation or being prepared for resale, where crawlspace condition affects both inspections and value

Areas We Serve Near Bellevue, WA

Bellevue sits at the center of a service area that covers much of King County and extends across Snohomish, Pierce, and Thurston Counties. Communities regularly served near Bellevue include Seattle, Kirkland, Redmond, Issaquah, Sammamish, Renton, and Burien.

The full service area spans the greater Puget Sound region. If you're unsure whether your address is covered, the easiest way to find out is to reach out through the contact page — the team can confirm coverage and schedule an inspection from there.

Frequently Asked Questions from Bellevue Homeowners

The questions below reflect what Bellevue homeowners ask most often before scheduling an inspection.

Schedule Your Free Bellevue Crawlspace Inspection

A free, no-obligation inspection is the starting point for every project. A trained technician visits your Bellevue home, examines what's actually happening in the crawlspace or attic, and explains the findings clearly — no pressure, no guesswork.

If rodent exclusion work is completed and you enroll in the ongoing monitoring program, the lifetime rodent guarantee covers both materials and labor for as long as you remain on service. That's the kind of long-term protection that comes from working with a team that has been doing this in King County since 1995.

Contractor License #AMERICC911J8. Serving Bellevue and communities throughout King County, Snohomish County, Pierce County, and Thurston County.

Related Services

• Crawlspace insulation removal and installation
• Rodent exclusion and lifetime guarantee
• PSE and utility rebate programs
• Schedule an inspection or ask a question

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County

Frequently Asked Questions

How do I know if my Bellevue home's crawlspace insulation needs to be replaced?

The clearest signs are cold floors in winter, rising heating bills without an obvious explanation, or evidence of rodents such as droppings or scratching sounds under the house. Insulation that has been contaminated by rodents, saturated by moisture, or simply aged past its useful life loses its ability to hold heat — and often looks intact from a quick glance while performing poorly. A free inspection will tell you the actual condition, including R-value loss, moisture levels, and whether the vapor barrier is still doing its job.

Does American Crawlspace & Pest Services offer PSE rebates for Bellevue homeowners?

Yes. American Crawlspace & Pest Services is a registered, approved contractor with Puget Sound Energy, which serves most of Bellevue. Qualifying upgrades — including attic insulation and duct sealing — can be submitted for rebates directly through the company, so you're not managing paperwork on your own. The team facilitated over $3 million in utility rebates for customers across the region last year. See the rebates page for more detail on what qualifies.

What does the lifetime rodent guarantee actually cover, and is there a contract?

The lifetime rodent guarantee covers both materials and labor — if rodents damage new insulation while you're enrolled in the ongoing monitoring program, the insulation is replaced at no charge. There is no contract for pest control service; the monitoring program is month-to-month and earned through continued results, not locked in through an agreement. This guarantee is backed by the company being one of only two WSDA-licensed full-service pest control companies in the market.

How long does a crawlspace insulation removal and reinstallation take for a typical Bellevue home?

[Needs your input: typical project duration for a standard single-family crawlspace removal and reinstallation — e.g., one day, two days, depending on square footage.] The timeline depends on the size of the crawlspace, the extent of contamination, and whether sanitization or vapor barrier replacement is also needed. Your inspection will include a clear project timeline before any work begins so there are no surprises.

Is mold in my Bellevue crawlspace dangerous, and can you handle it along with the insulation?

Mold in a crawlspace is a health concern and a structural risk — it degrades wood framing over time and can affect air quality throughout the home, since air moves upward from the crawlspace through the floor system. American Crawlspace & Pest Services handles mold remediation directly, and it can be scheduled alongside insulation removal and reinstallation so the crawlspace is fully restored in a single coordinated process rather than requiring multiple separate contractors.

Home › Cities › Kent, WA

Crawlspace & Pest Services in Kent, WA

Protecting Kent, WA Homes from the Ground Up

If you own a home in Kent, you've probably had that moment: you feel a cold floor on a winter morning, notice your heating bill climbing, or hear something skittering in the dark. What's happening under your house? In a city with a significant share of pre-1990 housing stock, combined with the Pacific Northwest's reliably wet winters and persistent ground moisture, crawlspace problems are common and often go unnoticed until they've been building for years.

American Crawlspace & Pest Services has been helping homeowners across this region understand and protect what's beneath their homes since 1995. We've served nearly 25,000 homes throughout the Pacific Northwest, and we approach every job the same way: honest findings, clear explanations, and thorough work with nothing skipped. No pressure. No alarm tactics. Just a real look at what's there and a straightforward plan to fix it.

American Crawl, The Team To Call.

Schedule your free Kent inspection today.

Call American Crawlspace & Pest Services at (425) 217-6707 to request your free inspection or talk through what's going on under your Kent home. The team serves Kent and communities throughout King County, Snohomish County, Pierce County, Thurston County, and Island County. You can also contact us online to schedule at your convenience.

Crawlspace & Attic Services We Offer Kent Homeowners

Kent homes face a specific set of challenges: aging insulation that has compressed or become contaminated, moisture that works its way in through the soil, and rodents that find their way through gaps in the foundation. We address all of it under one roof.

• Crawlspace Insulation Removal: We remove contaminated or damaged insulation, clean up rodent droppings, pull out old plastic sheeting, and treat the area with a neutralizing enzyme sanitizer. High-power vacuum equipment handles the debris so nothing gets tracked through your home.
• Subfloor Insulation Installation: We install R30 fiberglass batts in floor joist cavities, secured snugly against the subfloor. The products we use are formaldehyde-free and made from recycled glass and sand, so they're better for your indoor air quality.
• Attic Insulation Installation: Blown-in insulation installed to a minimum of 8 to 10 inches depth, with proper venting baffles to maintain airflow. This keeps Kent homes warmer in winter and more comfortable in summer while reducing heating costs by up to 20% or more.
• Rodent Exclusion & Removal: Our four-step rodent exclusion process covers free inspection, hole sealing and trap installation, cleanup and sanitization, and ongoing monitoring. New insulation comes with a lifetime warranty against rodent damage when you stay enrolled in monitoring.
• Vapor Barrier Installation: A properly installed vapor barrier prevents ground moisture from migrating up into your insulation and floor structure, protecting both from long-term water damage.
• Duct Sealing & Insulation: Leaky ducts waste a significant portion of the heat your furnace produces. We seal and insulate them to improve efficiency, and this work commonly qualifies for PSE and Snohomish County PUD rebates.
• Mold Remediation: If moisture has been present long enough, mold follows. We handle safe removal and remediation in crawlspaces and attics to restore a healthy environment under and above your home.
• Sump Pumps & Crawl Drainage: For Kent homes with standing water or drainage issues, we install sump pump systems and crawlspace drainage solutions. Annual sump pump inspection is included with our lifetime warranty program.

How Our Kent, WA Crawlspace Process Works

We keep the process simple and transparent from the first phone call to the final walkthrough. Here's what to expect:

• Step 1 — Free On-Site Inspection: One of our trained technicians comes to your Kent home at no charge. We go under the house, take a real look, and show you exactly what we find. No obligation, no guessing.
• Step 2 — Honest Assessment: We tell you what needs attention and what doesn't. If something can wait, we'll say so. If you need our crawlspace insulation services right away, we'll explain why clearly.
• Step 3 — Scheduled Service with In-House Crews: Every technician who enters your home is trained, vetted, and employed directly by American Crawlspace. We don't use subcontractors, because that's the only way we can stand behind our lifetime guarantee with confidence.
• Step 4 — Thorough Cleanup: We use high-power vacuum equipment designed specifically for insulation removal. Surfaces are treated, debris is removed, and we leave your home the way we found it — or cleaner.
• Step 5 — Ongoing Protection: If you enroll in our monitoring program, your new insulation is covered by a lifetime rodent damage warranty that includes both materials and labor. No fine print.

Before we leave, we walk you through everything that was done and why. You'll know exactly what's under your home when we're finished.

Benefits of Choosing American Crawlspace for Your Kent, WA Home

There are a lot of contractors who will crawl under your house. Fewer will do it with this level of accountability.

• Energy bill reductions of up to 20% or more — warmer floors and a more consistently comfortable home year-round.
• A Lifetime Rodent Guarantee that covers materials AND labor, with full replacement included, no asterisks.
• Certified and registered with PSE (Puget Sound Energy) and Snohomish County PUD — we're the region's leading rebate partner, having facilitated over $3 million in utility rebates for customers last year alone.
• One of only two WSDA-licensed full-service pest control companies in our market. Most crawlspace contractors do rodent work without a pest control license. We don't cut that corner.
• No-contract pest control through Integrated Pest Management. We address the root cause — exclusion, trapping, and baiting — and we earn your continued business by actually solving the problem.
• A 4.9-star Google rating earned through hundreds of unsolicited five-star reviews, plus an overall satisfaction rating of 4.8 out of 5.
• 100% locally and family owned, not backed by private equity. The people making decisions about your home live and work in this community.
• Financing options available for qualified customers, so a major crawlspace or attic project doesn't have to wait.

What Kent, WA Homeowners Are Saying

The themes that show up most often in our reviews aren't surprises to us — they reflect the way our crews are trained to work. Customers consistently mention that technicians took the time to explain exactly what they found, showed photos from under the house, and left the space cleaner than expected. After rodent removal jobs, homeowners describe finally being able to sleep without hearing scratching, and appreciating that the team treated the problem completely rather than just addressing the surface.

A number of reviewers specifically call out honest communication — being told what was actually needed versus what wasn't, without pressure to add services. That's intentional. We'd rather lose a line item on an invoice than recommend something that doesn't serve you.

Our 4.9-star Google rating reflects the work itself, not a marketing campaign. Nearly 25,000 homes served in the Pacific Northwest since 1995 gives us a long track record to stand behind. Contractor License #AMERICC911J8.

Rebate Opportunities for Kent, WA Homeowners

Many Kent homeowners leave money on the table because they don't know which upgrades qualify for utility rebates or how to apply. We handle that for you.

As a registered and approved contractor with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas, we're one of the few crawlspace and attic contractors in the region certified across multiple utility programs. Last year, we facilitated over $3 million in rebates for customers throughout the Pacific Northwest.

Insulation upgrades and duct sealing work are among the most common qualifying projects. In plain terms: if your home is losing heat through a poorly insulated crawlspace or leaky ducts, your utility may pay you back a portion of the cost to fix it. We handle the paperwork and coordination so you're not left navigating program requirements on your own.

When you schedule your free inspection, ask us about which rebates apply to your Kent home specifically. Reach out here to get started.

Types of Kent Properties We Service

Our crews are equipped to work in a wide range of property types across Kent and the surrounding area.

• Single-family homes, with particular experience in pre-1990 construction common throughout Kent's established neighborhoods.
• Multifamily residential and rental properties, including work coordinated directly with landlords and property managers.
• Commercial properties requiring crawlspace, attic, or pest control services.
• Homes with active moisture problems, visible rodent activity, or insulation that is missing, compressed, or contaminated.
• Homes being prepared for sale, or recently purchased properties where the condition of the crawlspace is unknown. Our free inspection gives you a clear picture before problems become surprises.

If you're unsure whether your situation fits, call us. The inspection is free and comes with no obligation to proceed.

Areas We Serve Near Kent, WA

American Crawlspace & Pest Services serves communities throughout King County, Snohomish County, Pierce County, Thurston County, and Island County. In addition to Kent, our crews regularly work in:

• King County: Seattle, Bellevue, Renton, Redmond, Shoreline, Kirkland, Burien, Sammamish, Bothell, Auburn, and Issaquah.
• Snohomish County: Lynnwood, Everett, Edmonds, Marysville, and Bothell.
• Pierce County and Thurston County: Full service coverage throughout both counties.
• Island County: Service available across Island County.

No matter where you are in our service area, you get the same crews, the same process, and the same guarantee. Our local expertise in Kent specifically comes from years of working in this housing stock and this climate.

Ready to Protect Your Kent Home? Let's Start with a Free Look.

There's no pressure here and no obligation. A free inspection means exactly that: we come out, take a thorough look at what's under and above your home, explain what we find in plain language, and let you decide what to do next. If you need time to think it over, take it.

Financing options are available for qualified customers, so if you're facing a larger project, that doesn't have to be a barrier to getting it done right.

American Crawl, The Team To Call. Schedule your free Kent inspection here.

Related Services

• Crawlspace insulation removal and installation
• Attic insulation services for Pacific Northwest homes
• Rodent exclusion and lifetime warranty program
• Schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Kent home's crawlspace insulation needs to be replaced?

The most common signs are cold floors in winter, rising heating bills, or a musty smell coming from lower levels of the home. If your home was built before 1990, there's a reasonable chance the insulation has compressed, become damp, or been contaminated by rodents over the years. The only way to know for certain is a real look under the house. Our free on-site inspection gives you an honest assessment of what's there, what's in good shape, and what needs attention, with no obligation to book any work.

Does American Crawlspace offer rebates for insulation work in Kent, WA?

Yes. We're a registered and approved contractor with PSE (Puget Sound Energy), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Crawlspace insulation and duct sealing upgrades commonly qualify for utility rebate programs, which can offset a meaningful portion of project costs. We handle the paperwork and coordination on your behalf so you're not left figuring out program requirements on your own. Last year we facilitated over $3 million in rebates for customers across the Pacific Northwest. Ask about rebate eligibility when you schedule your free inspection.

What does your rodent exclusion lifetime warranty actually cover in Kent?

The lifetime warranty covers both materials and labor for full replacement of new insulation if it is damaged by rodents, with no fine print and no hidden exclusions. To keep the warranty active, you stay enrolled in our ongoing monitoring program. That means we're not just doing a one-time job and walking away — we continue checking on your home so problems get caught early rather than rebuilding over years. You can learn more about how the process works on our rodent exclusion service page.

How long does a typical crawlspace inspection and service take for a Kent home?

The free inspection itself generally takes an hour or less, depending on the size and condition of your crawlspace. For full insulation removal and reinstallation in a typical Kent single-family home, most jobs are completed in a single day. More involved work, such as rodent exclusion combined with insulation replacement and sanitization, may take one to two days. We'll give you a clear timeline before any work begins so you can plan accordingly, and our in-house crews work efficiently without cutting corners on cleanup.

Home › Cities › Everett, WA

Crawlspace & Pest Services in Everett, WA — Protecting Homes Since 1995

Everett Homeowners: What's Happening Under Your House?

Cold floors that never seem to warm up. A heating bill that climbs every winter no matter what you adjust on the thermostat. A faint scratching sound at night that stops right when you hold your breath to listen. These are the kinds of things Everett homeowners notice — and then push to the back of their minds, because whatever is happening is out of sight and hard to know how to address.

Snohomish County's climate makes crawlspaces and attics especially vulnerable. The region receives heavy seasonal rainfall, and the mild winters mean rodents stay active year-round, moving in and out of homes through gaps that most people never know exist. Moisture builds slowly. Insulation compresses or gets contaminated. The effects show up as comfort and cost problems long before anything looks obviously wrong.

Since 1995, American Crawlspace & Pest Services has served nearly 25,000 homes across the Pacific Northwest, including hundreds right here in Everett and the surrounding Snohomish County area. A free, no-obligation on-site inspection is the fastest way to find out exactly what's going on — and what, if anything, actually needs to be done. There is no pressure and no commitment required.

Call American Crawlspace & Pest Services at (425) 278-5700 to schedule your free, no-obligation inspection. The team serves Everett and communities throughout Snohomish County, King County, Pierce County, Thurston County, and Island County. You can also submit a request online and someone will follow up promptly.

Crawlspace & Attic Services We Bring to Everett, WA

Every service listed below is performed by in-house crews — employees trained, vetted, and employed directly by American Crawlspace & Pest Services, not subcontractors. That distinction matters when the work carries a lifetime warranty.

• Crawlspace insulation removal: Complete removal of contaminated or damaged batt insulation, rodent dropping cleanup, old moisture barrier removal, and sanitization using a neutralizing enzyme treatment. High-power vacuum equipment pulls debris thoroughly so nothing gets left behind.
• Subfloor insulation installation: R30 fiberglass batts installed snugly into floor joist cavities and secured with twine or lathe. Products are formaldehyde-free, made from recycled glass and sand, and designed to hold their performance year after year. You can read more about the full process on our crawlspace insulation service page.
• Attic insulation installation: Blown-in insulation installed to a minimum depth of 8 to 10 inches, distributed evenly with venting baffles maintained for proper air circulation. Details on materials and depth standards are covered on our attic insulation page.
• Vapor barrier installation: Crawlspace moisture barriers installed to prevent water intrusion from reaching insulation, floor joists, and structural framing — a particular concern in Snohomish County's wet climate.
• Duct sealing and insulation: Heating duct sealing and insulation to reduce energy loss through your HVAC system. This work qualifies for rebates through both PSE and Snohomish County PUD.
• Mold remediation: Professional mold removal in crawlspaces and attics, restoring air quality and stopping the conditions that allow mold to return.
• Sump pumps and crawlspace drainage: Sump pump installation and drainage solutions for crawlspaces where standing water or persistent moisture is an issue. Annual sump pump inspections are included with the lifetime warranty program.

Rodent Exclusion & Pest Control in Everett, WA — Our 4-Step Process

Hearing something move in your attic or crawlspace at 2 a.m. is unsettling. Discovering droppings when you open the access hatch is worse. American Crawlspace & Pest Services is one of fewer than two WSDA-licensed full-service pest control companies operating in this market — most crawlspace contractors do rodent exclusion without a pest control license. The distinction affects how thoroughly the problem gets solved.

Here is how the process works:

• Step 1 — Free inspection: A technician identifies active entry points, assesses the scope of damage, and explains findings in plain language. No obligation, no pressure to proceed on the spot.
• Step 2 — Exclusion and trapping: Entry points are sealed and a trapping system is installed. Addressing access is what separates exclusion from temporary pest control.
• Step 3 — Cleanup and sanitization: Contaminated insulation is removed using high-power vacuum equipment. Affected surfaces are treated with a neutralizing enzyme to eliminate odors and biological residue that attract future rodents.
• Step 4 — Ongoing monitoring: A one-year monitoring period is included after exclusion work. Customers enrolled in the monitoring service receive a lifetime warranty on new insulation against rodent damage — covering both materials and labor, with no fine print.

Pest control through this program does not require a contract. The service is built around Integrated Pest Management: exclusion, trapping, and baiting that addresses the root cause rather than just treating symptoms. You keep the service because it works, not because you signed something that locks you in. Learn more about the full scope of coverage on our rodent exclusion service page.

PSE & Snohomish PUD Rebates Available to Everett Residents

Everett homeowners served by Puget Sound Energy or Snohomish County PUD may qualify for rebates on attic insulation, subfloor insulation, and duct sealing work. American Crawlspace & Pest Services is a registered, approved contractor with both utilities — and last year alone, the company facilitated over $3 million in utility rebates for customers across the region. No other crawlspace contractor in this market processes more rebates.

The company holds co-branded badge rights with PSE, Snohomish PUD, Tacoma Power, and Cascade Natural Gas, which reflects the depth of those working relationships rather than a surface-level affiliation. Properly installed insulation and duct sealing can reduce energy bills by 20% or more, and the rebate programs are designed to lower the upfront cost of that investment.

Navigating rebate paperwork is one of the things homeowners consistently say they find confusing. The team handles that process directly — Everett residents do not need to figure out forms, eligibility windows, or submission timelines on their own. Full details on eligible services and how to apply are available on our rebates and energy efficiency page.

Why Everett, WA Homeowners Choose American Crawlspace & Pest Services

There are crawlspace contractors operating in Snohomish County who started recently, use subcontractors, or hold no pest control license. The profile of this company is different in ways that matter when the work carries a long-term guarantee.

• Serving the Pacific Northwest since 1995 — locally and family owned, not a private equity operation
• 100% in-house crews: every technician is trained, vetted, and employed directly by American Crawlspace & Pest Services
• Management averages 8 or more years with the company; many crew members have been here five or more years
• Approximately 53 employees — the operational scale to handle projects thoroughly and stand behind guarantees
• 4.9-star Google rating with hundreds of five-star reviews; 4.8 out of 5 overall customer satisfaction across review platforms
• Contractor License #AMERICC911J8
• Whole-home perspective: moisture problems, pest activity, and energy loss are connected, and the service scope reflects that
• Financing options available for qualified customers

The lifetime rodent warranty covers materials and labor for as long as you are enrolled in the pest monitoring service. That commitment is possible because the crews who do the work are the same employees the company trains and supervises directly.

What an Everett Home Inspection Looks Like — Step by Step

The inspection starts with a conversation at the door. The technician asks what you have been noticing: cold spots, unusual smells, sounds, a spike in your energy bill. That context shapes where to look first.

In the crawlspace and attic, the technician checks insulation condition and R-value coverage, signs of rodent activity including droppings and nesting material, moisture intrusion and any resulting mold or wood damage, duct integrity and seal condition, and drainage issues where applicable. Nothing is skipped to save time.

At the end of the visit, findings are explained in plain language — what was found, why it matters, and what a realistic scope of work looks like. Rebate eligibility is assessed at the same time. You receive a clear picture of the situation before any decision is made. Surfaces are left clean and protected. The technician does not leave until you understand exactly what was found and why it was flagged.

To schedule your free inspection, visit the contact page or call the number below.

Properties and Spaces We Service in Everett

Much of Everett's residential housing stock predates 1990, when insulation standards and construction methods were significantly different from today. Homes in neighborhoods like Riverside, Bayside, and the Holly area often have vented crawlspaces that have never been updated — exactly the kind of space where insulation has compressed, moisture has accumulated, and rodents have found easy entry.

• Single-family homes, with particular experience in pre-1990 construction common throughout Everett
• Multifamily housing and apartment buildings
• Commercial properties requiring crawlspace, attic, or pest services in Everett and broader Snohomish County
• Homes with vented crawlspaces, conditioned crawlspaces, and full basements
• Attic spaces of all configurations: standard flat attics, vaulted ceilings, and cathedral designs

Serving Everett and All of Snohomish County

Everett is the primary Snohomish County hub for American Crawlspace & Pest Services, but the service area extends throughout the county and well beyond. Nearby communities served include Lynnwood, Bothell, Edmonds, Marysville, and Shoreline. The team also serves King County, Pierce County, Thurston County, and Island County.

These are not franchise territories serviced from a distant dispatch center. The crews are local, the management is local, and the company has been rooted in this region since 1995. When a technician arrives at your Everett home, they know Snohomish County's climate, its housing stock, and the specific pest pressure patterns that affect homes here differently than homes elsewhere in the state.

Ready to Find Out What's Under Your Everett Home? Start Here.

A free, no-obligation inspection is the first step. There is no pressure to commit to any work during or after the visit. If the inspection turns up nothing that needs attention, you will hear that clearly and honestly.

For homeowners who do move forward, financing options are available for qualified customers, and rebate eligibility is assessed as part of every inspection at no extra charge. The lifetime rodent warranty and ongoing monitoring program mean the work does not end at installation — it continues for as long as you need it.

Schedule your inspection through the contact page, or call the number below to speak with someone directly. The team is ready to help Everett homeowners get real answers about what is happening under their homes.

Related Services

• Crawlspace insulation removal and installation
• Attic insulation blown-in installation
• Rodent exclusion and pest control services
• PSE and utility rebate eligibility information
• Schedule a free inspection

Areas We Serve

• Snohomish County
• King County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How soon can you inspect my Everett home, and is the inspection really free?

Yes, the inspection is completely free and carries no obligation to schedule any work. Scheduling availability varies by season, but the team serves Everett regularly and can typically arrange a visit within a reasonable window. During the inspection, the technician explains findings in plain language and answers questions before leaving — there is no follow-up pressure.

Does American Crawlspace & Pest Services work with Snohomish County PUD for insulation rebates?

Yes. American Crawlspace & Pest Services is a registered, approved contractor with Snohomish County PUD and with Puget Sound Energy. Last year the company facilitated over $3 million in utility rebates for customers across the region. Eligible services include attic insulation, subfloor insulation, and duct sealing — and the team handles the rebate paperwork so Everett homeowners do not have to navigate the process on their own. Full details are available on the rebates and energy efficiency page.

What does your lifetime rodent warranty actually cover — is it really materials AND labor?

Yes, the lifetime rodent warranty covers both materials and labor with no asterisks or fine print carve-outs. It applies to new insulation installed by American Crawlspace & Pest Services and remains in effect for as long as the customer stays enrolled in the pest monitoring program. If rodents damage the new insulation, the team returns and makes it right at no additional cost for covered materials and the labor to replace them.

My floors are cold and my heating bill is high — is that a crawlspace insulation problem?

Cold floors and elevated heating costs are two of the most common signs that subfloor insulation is missing, compressed, or damaged. In Snohomish County homes built before 1990, the insulation installed during original construction is often below current R30 recommendations or has degraded significantly over time. A free inspection will confirm whether the crawlspace is the source of the problem and what an appropriate fix looks like. You can also review what the installation process involves on the crawlspace insulation service page.

How do I know if I have rodents in my crawlspace or attic?

Scratching or scurrying sounds at night, particularly in the ceiling or beneath the floor, are a common early sign. Discovering droppings near vents, in the attic, or around the crawlspace access hatch is a stronger indicator. A musty or ammonia-like odor from below the floor can also point to active or recent rodent activity. A free inspection by a WSDA-licensed pest control technician will determine whether activity is present, how extensive the damage is, and what exclusion work is needed.

Do I need to sign a contract for pest control monitoring?

No. Pest monitoring through American Crawlspace & Pest Services operates without a locking contract. The program is built on Integrated Pest Management — exclusion, trapping, and baiting that addresses access and activity at the source rather than treating symptoms on a cycle. You continue the service because it produces results, not because an agreement requires it. The lifetime rodent warranty on new insulation remains active for the duration of enrollment in the monitoring program.

Home › Cities › Renton, WA

Crawlspace & Pest Services in Renton, WA

Renton Homeowners, We Know What's Under Your House

Cold floors in the middle of winter. A heating bill that keeps climbing no matter what you do. A faint scratching sound somewhere beneath the house at 2 a.m. If any of that sounds familiar, you're not alone — and you're not imagining things. These are some of the most common concerns we hear from Renton homeowners, and they almost always trace back to what's happening in the crawlspace or attic.

Renton's wet winters and persistent ground moisture create the kind of conditions that age insulation quickly, invite rodents, and let mold get a foothold before you ever notice anything is wrong. Much of the housing stock east of downtown and through neighborhoods like Highlands and Kennydale dates to the 1960s and 1970s, when insulation standards were far below what they are today. That combination, old materials plus a damp Pacific Northwest climate, means a lot of Renton homes are quietly losing heat and comfort every single year.

American Crawlspace & Pest Services has been working under and inside homes like yours since 1995. We're locally and family owned, with nearly 25,000 homes served across the Puget Sound region. When one of our in-house technicians shows up for your free inspection, there's no sales pressure and no obligation. You'll get a straight, plain-language answer about what we found and what, if anything, needs to be done.

Have questions about your crawlspace, attic, or a rodent concern in Renton? Call American Crawlspace & Pest Services at (425) 487-6966 to request your free, no-obligation inspection, or contact us online to schedule a visit. The team serves Renton and communities throughout King County, Snohomish County, Pierce County, Thurston County, and Island County.

Services We Provide to Renton, WA Homes

Every job we take on in Renton starts with a thorough inspection. From there, we handle whichever combination of services your home actually needs — no bundling work that isn't warranted.

• Crawlspace Insulation Removal: Complete removal of damaged or contaminated insulation, rodent dropping cleanup, old moisture barrier removal, and enzyme sanitization using neutralizing treatment. High-power vacuum equipment pulls out debris that standard shop vacs miss entirely. Learn more about our crawlspace insulation removal and installation services.
• Subfloor Insulation Installation: R30 fiberglass batts, formaldehyde-free and made from recycled glass and sand, secured snugly to the subfloor in the floor joist cavities. Properly installed subfloor insulation is one of the fastest ways to eliminate cold floors in Renton homes.
• Attic Insulation Installation: Blown-in insulation installed to a minimum depth of 8 to 10 inches, distributed evenly with proper venting baffles to keep airflow intact. Explore our full attic insulation installation process to see how it works.
• Rodent Exclusion and Removal: A four-step process covering inspection, hole sealing and trapping system installation, cleanup and enzyme sanitization, and 1-year ongoing monitoring. New insulation is backed by a lifetime warranty against rodent damage as long as you're enrolled in pest monitoring. See the full rodent exclusion process for details.
• Vapor Barrier Installation: Moisture barriers installed in crawlspaces to stop ground moisture from reaching insulation and the home's structural framing.
• Sump Pumps and Crawl Drainage: Sump pump installation for crawlspaces with active water intrusion, plus annual sump pump inspection included with the lifetime warranty program.
• Duct Sealing and Insulation: Heating ducts sealed and insulated to reduce energy loss through the crawlspace. This work qualifies for PSE and PUD rebates and can cut heating costs meaningfully.
• Mold Remediation: Professional mold removal in crawlspaces and attics to restore a safe, healthy environment underneath your home.

How Our Renton Crawlspace and Pest Process Works

The process is the same whether we're dealing with contaminated insulation, a rodent problem, or both. Each step builds on the one before it, and nothing gets skipped.

Step 1: Free On-Site Inspection

A trained, in-house technician comes to your Renton home, crawls the space or accesses the attic, and documents exactly what's there. No subcontractors. No guesswork from the driveway. The inspection is free and carries no obligation.

Step 2: Honest Assessment in Plain Language

We tell you what we found, what caused it, and what the realistic options are. If nothing needs to be done, we'll say so. There are no scare tactics here and no upselling work that isn't necessary.

Step 3: Removal and Cleanup

Contaminated insulation comes out using high-power vacuum equipment. Rodent droppings, old moisture barriers, and debris are removed and disposed of properly. The space is then treated with neutralizing enzyme sanitizer to eliminate odors and biological contamination.

Step 4: Installation and Protection

New formaldehyde-free insulation goes in. Any rodent entry points identified during inspection are sealed. Vapor barriers and drainage are addressed if moisture is part of the problem. Every installation detail, from how the batts are secured to how the venting baffles are positioned, gets done to spec.

Step 5: Ongoing Monitoring and the Lifetime Guarantee

After rodent exclusion work, a 1-year monitoring period begins. As long as you remain on pest service, the lifetime guarantee covers full replacement of materials AND labor on new insulation, with no fine print. Every crew member who enters your home is employed directly by us, trained in-house, and vetted before they ever set foot on a job.

Why Renton Families Choose American Crawlspace & Pest Services

There are a lot of companies that will offer to seal entry points or pull out old insulation. Here's what sets this company apart in concrete, verifiable terms.

• Lifetime Rodent Guarantee, materials and labor: Full replacement covered as long as you're on pest service. No asterisks, no expiration tied to fine print.
• One of only two WSDA-licensed full-service pest control companies in this market: Most crawlspace contractors handle rodent exclusion without a pest control license. Being one of fewer than two among dozens of local competitors means we can back our rodent work in ways others legally cannot.
• 4.9 stars on Google with hundreds of five-star reviews, and a 4.8 out of 5 rating across the web. Those reviews came from homeowners, not marketing campaigns.
• 100% locally and family owned: The people making decisions about how your job gets done live and work in this community. There are no outside investors and no private equity changing priorities.
• Operational maturity that backs the guarantee: With approximately 53 employees and an average management tenure of 8-plus years, the team behind every job has the experience and stability to honor long-term commitments.
• No-contract pest control: Pest service is built around Integrated Pest Management, addressing root causes through exclusion, trapping, and baiting. We earn continued business by getting results, not by locking you into a contract.

PSE and Utility Rebates Available to Renton Homeowners

Upgrading your insulation or duct work can qualify for real rebate dollars through utility programs, and the savings add up faster than most homeowners expect. American Crawlspace & Pest Services is a registered, approved contractor with PSE (Puget Sound Energy) and works directly with Tacoma Power and Cascade Natural Gas rebate programs as well. Last year alone, we facilitated over $3 million in utility rebates for customers across the Puget Sound region.

Eligible upgrades for Renton homeowners typically include attic insulation installation, subfloor insulation, and duct sealing. Combining insulation and duct work upgrades can reduce energy bills by 20% or more. Financing is also available for qualified customers, so the upfront cost doesn't have to be a barrier to a warmer, more efficient home.

We handle the rebate paperwork. You don't have to figure out which programs apply, what documentation is required, or how to submit a claim. Learn about the rebate programs we work with and what your home might qualify for.

Types of Renton Properties We Service

Most of the homes we work on in Renton are single-family residences, particularly the pre-1990 construction common in neighborhoods like Highlands, Kennydale, and the Talbot Hill area. Pier-and-beam crawlspaces are typical in this housing stock, and they're exactly the kind of space that accumulates moisture damage and rodent activity over time.

We also work on older craftsman and ranch-style homes, multifamily housing, and commercial properties that need full crawlspace or attic services. Homes preparing for sale or recently purchased are a significant part of what we do, since inspections and remediation during a real estate transaction need to move on a clear timeline. If there's active rodent damage, existing mold, or standing moisture in the crawlspace, we can handle all of it under one roof with in-house crews from start to finish.

Areas We Serve Near Renton, WA

Renton sits within our King County service area, and crews familiar with the specific moisture patterns, housing ages, and pest activity in this part of the county handle every local job. Beyond Renton, we serve the surrounding communities including Seattle, Bellevue, Kent, Auburn, Burien, Sammamish, Issaquah, Redmond, Kirkland, and Shoreline.

Full coverage extends across King County, Snohomish County, Pierce County, Thurston County, and Island County. Whether your home is near the Cedar River corridor, up in the Renton Highlands, or on the edge of Lake Washington, we're equipped for the job.

Schedule Your Free Renton Crawlspace or Attic Inspection

The inspection is free, there's no obligation attached to it, and it won't turn into a high-pressure sales call. One of our trained, in-house technicians will come to your home, take a real look at what's going on, and explain what they found in plain language before they leave. You'll know exactly what was done and why.

American Crawlspace & Pest Services has been serving Renton homeowners since 1995, with 100% in-house crews, a lifetime rodent guarantee, and contractor license #AMERICC911J8. Family owned, fully licensed, and accountable to the communities we work in every day.

Schedule your free inspection online or call us directly. The team is ready to help.

Related Services

• Crawlspace insulation removal and installation
• Rodent exclusion with lifetime warranty
• Attic insulation installation
• PSE and utility rebate programs
• Schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Renton home's crawlspace insulation needs to be replaced?

The clearest signs are cold floors in winter, rising heating bills without a clear cause, visible rodent droppings or damage under the house, musty odors coming up from the crawlspace, and insulation that's visibly wet, matted, or falling from the floor joists. Renton's older housing stock, particularly homes built before 1990, commonly has original insulation that has compressed or been contaminated over the decades and is no longer performing at its rated R-value. A free on-site inspection is the only way to know for certain, and our technicians will show you exactly what they find so you can make an informed decision.

Does American Crawlspace & Pest Services offer a warranty on rodent exclusion work in Renton?

Yes. New insulation installed after rodent exclusion work is backed by a lifetime guarantee covering both materials and labor, with no fine print, as long as you remain enrolled in ongoing pest monitoring service. This is not a limited warranty with hidden expiration clauses — full replacement of materials and labor is included for the life of your pest service enrollment. Most crawlspace contractors in the Renton area do not carry a WSDA pest control license, which means they can't offer this level of coverage; we're one of only two fully licensed companies in this market. Learn more about the rodent exclusion process and what the guarantee covers.

Can Renton homeowners get rebates for crawlspace or attic insulation upgrades through PSE?

Yes, and the rebate amounts can be meaningful. American Crawlspace & Pest Services is a registered, approved contractor with PSE (Puget Sound Energy), and we also work with Tacoma Power and Cascade Natural Gas rebate programs. Eligible upgrades typically include attic blown-in insulation, subfloor insulation, and duct sealing. We handled over $3 million in utility rebates for customers last year and manage the paperwork on your behalf, so you don't have to navigate the submission process alone. Visit our rebate information page to see which programs may apply to your home.

How long does a typical crawlspace insulation removal and reinstallation take in Renton?

Most residential crawlspace insulation removal and reinstallation jobs in Renton are completed in one to two days, depending on the size of the crawlspace, the extent of contamination, and whether additional services like vapor barrier replacement or rodent exclusion are included. Attic insulation installation is often completed in a single day. During your free inspection, the technician will give you a realistic timeline specific to your home so there are no surprises about scheduling or scope.

Do you use subcontractors for jobs in Renton, WA?

No. Every technician who works on your home is trained, vetted, and employed directly by American Crawlspace & Pest Services. Using 100% in-house crews is how we maintain consistent quality standards and stand behind the lifetime guarantee with confidence — if we subcontracted the work, we couldn't make that commitment credibly. With approximately 53 employees and a management team that averages 8-plus years with the company, our crews bring a level of experience and consistency that comes from long-term investment in the people doing the work.

Home › Cities › Redmond, WA

Crawlspace & Pest Services in Redmond, WA — Protecting Homes Since 1995

Redmond Homeowners Trust American Crawlspace & Pest Services

Cold floors on a winter morning. A scratching sound somewhere beneath the house at 2 a.m. A heating bill that keeps climbing no matter how high you set the thermostat. If any of that sounds familiar, you're not imagining things — and you're far from alone. These are some of the most common concerns we hear from Redmond homeowners, and almost every one of them traces back to what's happening in the crawlspace or attic.

American Crawlspace & Pest Services has been working in homes across the Pacific Northwest since 1995. In that time, we've served nearly 25,000 households in King County and the surrounding region, and we carry a 4.9-star Google rating backed by hundreds of five-star reviews — earned through the work, not through marketing. We're 100% locally and family owned. The people making decisions about your home live and work in this community. There's no private equity ownership, no distant corporate office setting policy. Just a team that has spent decades learning exactly what homes in this region need.

American Crawl, The Team To Call. Schedule your free, no-obligation inspection today.

Call American Crawlspace & Pest Services at (425) 220-1000 to request your free inspection or talk through a concern. The team serves Redmond and communities throughout King County, Snohomish County, and the greater Puget Sound region. You can also contact us online to schedule at your convenience.

What's Happening Under Redmond Homes — And Why It Matters

Redmond's geography works against crawlspaces in ways that most homeowners don't realize until something goes wrong. The wet winters, the dense tree canopy throughout the Overlake and Education Hill neighborhoods, and the soil conditions common across this part of King County all create a climate that pushes moisture directly against foundations and into the spaces beneath your floors. That moisture doesn't stay contained. It travels upward through floor joists, degrades insulation, and creates conditions where mold takes hold and rodents feel right at home.

Moisture, pests, and energy loss aren't three separate problems. They're connected, and treating only one of them leaves the others in place. A home with compromised crawlspace insulation loses heat through the floor. A home with unsecured entry points will keep cycling through infestations regardless of how many traps get set. That's why our approach addresses all three as a system rather than as isolated repairs.

Homes built before 1990 are especially vulnerable. Older construction often used thinner vapor barriers, less insulation depth, and crawlspace venting designs that weren't built for the long-term moisture levels common across this area. If you've been in your current home for years and haven't had anyone look under the house, you're not unusual. Most people haven't. What we find in those inspections is often surprising — but knowing is always better than not knowing.

Services We Provide to Redmond, WA Homeowners

Every service below is performed by in-house crews — trained, vetted, and employed directly by us. That's the only way we can stand behind our warranties with confidence.

Crawlspace Insulation Removal

When insulation is contaminated by rodent activity, water damage, or age, removal is the necessary first step. Our crews extract damaged material, clean up rodent droppings, remove old vapor barriers, and treat the space with a neutralizing enzyme sanitizer. High-power vacuum equipment ensures nothing gets left behind. Learn more about our crawlspace insulation removal and installation process.

Subfloor Insulation Installation

After cleanup, we install R30 fiberglass insulation batts directly into the floor joist cavities, fitted snugly against the subfloor and secured with twine or lathe. The products we use are formaldehyde-free and made from recycled glass and sand — better for your home's air quality and built to last.

Attic Insulation Installation

Blown-in attic insulation installed to a minimum depth of 8 to 10 inches, with proper venting baffles in place to maintain air circulation. A properly insulated attic can reduce heating and cooling costs by 20% or more.

Rodent Exclusion and Removal

Our four-step process covers inspection, hole sealing and trapping system installation, cleanup and sanitization of contaminated areas, and ongoing monitoring. Enroll in our monitoring service and your new insulation carries a lifetime warranty against rodent damage — materials and labor, no fine print. Read the details on our rodent exclusion service page.

Vapor Barrier Installation

A properly installed vapor barrier is the first line of defense against moisture intrusion in the crawlspace. We install barriers that protect both the insulation above and the structural framing around it.

Sump Pumps and Crawlspace Drainage

For crawlspaces with standing water or recurring moisture, we install sump pump and drainage systems sized for the space. Annual sump pump inspection is included with the lifetime warranty program.

Duct Sealing and Insulation

Leaking or uninsulated heating ducts are one of the most common sources of energy waste in Pacific Northwest homes. Sealing and insulating ducts improves HVAC efficiency and qualifies for rebates through PSE and Snohomish County PUD.

Mold Remediation

When moisture sits long enough, mold follows. We provide professional mold removal and remediation for crawlspaces and attics, restoring the space to a condition that's safe for your home and your family.

Benefits of Choosing American Crawlspace & Pest Services in Redmond

There are real, specific reasons Redmond homeowners call us back and refer their neighbors. Here's what sets this company apart from others working in this market.

• Lifetime Rodent Guarantee, materials and labor: Full replacement of materials and labor for as long as you're on pest service. No asterisks, no expiration, no fine print.
• One of only two WSDA-licensed full-service pest control companies in this market: Most crawlspace contractors do rodent exclusion without a pest control license. We're among fewer than two in the region who are fully licensed under the Washington State Department of Agriculture.
• 100% in-house crews: Every technician who enters your home is trained and employed directly by us. Subcontractors can't be held to the same standard — and we won't use them.
• No-contract pest control: Through Integrated Pest Management, we address the root cause rather than just the symptom. You stay with us because the service works, not because a contract forces you to.
• Financing available: Qualified customers can finance their project so that a necessary repair doesn't have to wait.

Ready to see what's going on under your home? Request your free inspection — no obligation, no pressure.

How Our Redmond, WA Inspection and Service Process Works

From the first call to the final walkthrough, the process is built around one goal: making sure you understand exactly what was found, what was done, and why.

Step 1 — Free Inspection

A technician visits your Redmond home, assesses the crawlspace or attic, and documents findings with honest reporting. Nothing gets glossed over, and nothing gets exaggerated to sell a bigger job.

Step 2 — Clear Recommendation

You get a plain-language explanation of what we found and what it means for your home. If the situation is urgent, we'll tell you. If it can wait, we'll tell you that too. The goal is to make sure you feel informed, not alarmed.

Step 3 — Scheduled Service

In-house crews arrive on the scheduled date. Surfaces are protected before work begins. The job gets done thoroughly, and when we leave, we take the mess with us.

Step 4 — Walkthrough and Documentation

Before anyone leaves, you get a full explanation of what was completed and why. You shouldn't have to guess what happened in your own crawlspace.

Step 5 — Ongoing Monitoring

For rodent exclusion work, a one-year monitoring period is included after the initial service. That monitoring is what activates the lifetime warranty protection on new insulation. We check in, we verify the exclusion is holding, and we respond if it's not.

Redmond, WA Utility Rebates — Save More on Your Insulation Upgrade

Insulation upgrades qualify for utility rebates through several programs, and American Crawlspace & Pest Services is a registered, approved contractor with Puget Sound Energy (PSE), Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Last year alone, we facilitated over $3 million in utility rebates for customers across the region — more than any other contractor we're aware of in this market.

Services that commonly qualify include attic insulation installation, subfloor insulation, and duct sealing. If your Redmond home is served by PSE or another participating utility, there's a good chance part of your project cost can be offset by a rebate.

We handle the rebate paperwork directly. You don't need to figure out which forms to fill out or which contractor categories apply. Our PSE and Snohomish County PUD certified technicians know the requirements, and our co-branded materials with utility partners reflect the formal approval status we've earned through years of compliant work.

Ask about rebate eligibility when you book your free inspection. We'll tell you upfront what your project may qualify for.

Why Redmond Homeowners Keep Choosing American Crawlspace

Numbers and credentials tell part of the story. The reviews tell the rest.

• 4.8 out of 5 based on reviews from around the web; 4.9 stars on Google with hundreds of five-star reviews — unsolicited feedback earned through consistent service quality
• Nearly 25,000 homes served in the Pacific Northwest since 1995
• Approximately 53 employees — the operational depth to handle complex projects and maintain consistent quality across job sites
• Management averages more than 8 years with the company; many crew members have been here 5 years or longer — this is a team that knows the region and knows the work
• Contractor License #AMERICC911J8 — fully licensed and credentialed in Washington State
• PSE and Snohomish County PUD certified technicians on staff

The people who review us weren't asked to. They did it because the experience was worth talking about. That's the standard we hold ourselves to on every job in Redmond and throughout King County.

Areas We Serve Near Redmond, WA

American Crawlspace & Pest Services provides crawlspace, attic, insulation, rodent exclusion, and moisture management services throughout the greater Puget Sound region. Communities we serve near Redmond include Kirkland, Bellevue, Sammamish, Issaquah, Bothell, Shoreline, and Seattle.

Our full service coverage spans King County, Snohomish County, Pierce County, Thurston County, and Island County. If you're unsure whether your address falls within our service area, call us — the answer is almost always yes.

Ready to Protect Your Redmond Home? Start With a Free Inspection

The inspection is free, and there's no obligation attached to it. A trained technician will look at what's actually happening under your home and give you an honest assessment — no pressure, no alarm tactics, just a clear picture of what's there and what your options are.

Financing is available for qualified customers, so a necessary repair doesn't have to be delayed because of budget timing. And when you're ready to move forward, you'll be working with a licensed, locally owned, family-run company that has been protecting Pacific Northwest homes since 1995 — with a lifetime warranty program that backs up every promise we make.

Schedule your free inspection in Redmond today. American Crawl, The Team To Call.

Related Services

• Rodent exclusion and lifetime warranty program
• Crawlspace insulation removal and installation
• Schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Redmond home's crawlspace insulation needs to be replaced?

The clearest signs are cold floors despite adequate heating, a noticeable increase in energy bills, visible rodent droppings or damaged material in the crawlspace, or a musty odor coming from below the living space. Insulation that has been compressed by moisture, disturbed by rodents, or left in place for 20 or more years typically loses much of its original performance. The most reliable way to know is a direct inspection — our technicians will assess what's in place, document what they find, and give you a plain-language explanation of whether replacement makes sense for your specific situation. The inspection is free and carries no obligation.

Does American Crawlspace & Pest Services offer a warranty on rodent exclusion work in Redmond?

Yes. New insulation installed after rodent exclusion work carries a lifetime warranty against rodent damage when you're enrolled in our ongoing monitoring service. That warranty covers both materials and labor — full replacement at no cost for as long as you remain on pest service. Most crawlspace contractors in this market don't carry a pest control license and can't offer this level of protection. As one of only two WSDA-licensed full-service pest control companies among dozens of regional competitors, we're in a position to back this guarantee with real accountability. Learn more about how the process works on our rodent exclusion service page.

What utility rebates are available for insulation upgrades in Redmond, WA?

Redmond homeowners served by Puget Sound Energy (PSE) may qualify for rebates on attic insulation, subfloor insulation, and duct sealing. American Crawlspace & Pest Services is a registered, approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas. Last year, we facilitated over $3 million in utility rebates for customers across the region. We handle the rebate paperwork directly, so you don't need to navigate the process on your own. Ask about your eligibility when you book your free inspection.

How long does a crawlspace inspection and insulation replacement typically take?

The initial inspection typically takes one to two hours depending on crawlspace size and accessibility. Insulation removal and replacement is generally completed in a single day for most Redmond homes, though larger projects or those requiring extensive cleanup and sanitization may run longer. We'll give you a realistic time estimate before the work begins so you can plan accordingly. Our crews protect your home's surfaces throughout the process and remove all debris before they leave.

Is American Crawlspace & Pest Services licensed to handle pest control in Redmond?

Yes. We're one of only two WSDA-licensed full-service pest control companies in this market. Most crawlspace contractors offer rodent exclusion services without holding a pest control license, which limits both the scope of what they can legally do and the accountability they can offer afterward. Our Contractor License is #AMERICC911J8, and our technicians include PSE and Snohomish County PUD certified staff. Licensing matters because it's what allows us to offer the lifetime rodent guarantee — and back it up. You can review our crawlspace insulation and cleanup services for more on how we approach contaminated spaces.

Home › Cities › Shoreline, WA

Crawlspace & Pest Services in Shoreline, WA — American Crawl, The Team To Call

Shoreline, WA Homeowners: We Know What's Under Your House

If you've heard something scurrying under your floors at night, noticed your heating bill climbing despite a mild winter, or simply realized you have no idea what's happening in your crawlspace or attic, you're not alone. These are the exact concerns we hear from Shoreline homeowners every week. That anxiety is completely reasonable — the spaces below and above your living area are out of sight, and the Pacific Northwest climate gives problems there every reason to develop quietly.

Shoreline sits squarely in the Puget Sound rain corridor. The persistent moisture, mild winters that keep rodents active year-round, and older housing stock throughout the area create conditions where insulation degrades, moisture accumulates, and pests find their way in more reliably than in drier climates. Many homes in Shoreline neighborhoods were built before 1990, meaning original insulation is decades past its useful life or was never installed correctly to begin with.

American Crawlspace & Pest Services has been working in homes like yours since 1995. We've served nearly 25,000 homes across King County and Snohomish County, and we carry a 4.9-star Google rating with hundreds of five-star reviews — a reflection of the work, not the marketing. We're locally and family owned, which means the people making decisions about your home live and work in this same community.

The easiest first step is a free on-site inspection with no obligation. We'll tell you exactly what we find, in plain language, so you can decide what to do next with full information.

Have a concern about your crawlspace, attic, pest activity, or energy costs in Shoreline, WA? Call American Crawlspace & Pest Services at (425) 227-3000 to schedule your free on-site inspection, or request an appointment online. The team serves Shoreline and communities throughout King County, Snohomish County, Pierce County, and Thurston County.

Services We Provide to Shoreline, WA Homes and Properties

Every home is different, and the scope of work we recommend is always based on what your specific home actually needs — not a preset package. Here's what we offer Shoreline homeowners:

• Crawlspace insulation removal: We remove contaminated or deteriorated insulation, clean rodent droppings, pull out old vapor barriers, and treat the area with a neutralizing enzyme sanitizer using high-power vacuum equipment. Details on our crawlspace insulation removal and installation service explain what this process involves.
• Subfloor insulation installation: We install R30 fiberglass insulation batts in your floor joist cavities, secured snugly against the subfloor. The product we use is formaldehyde-free and made from recycled glass and sand — better for your home's air quality and the environment.
• Attic insulation installation: Blown-in insulation to the proper depth (8 to 10 inches minimum), distributed evenly with venting baffles maintained to preserve air circulation. Properly installed attic insulation can reduce your heating costs by 20% or more. See how our attic insulation installation works.
• Rodent exclusion and removal: A four-step process covering inspection, hole sealing and trapping, cleanup and enzyme sanitization, and ongoing monitoring. Our rodent exclusion service includes a lifetime warranty on new insulation against rodent damage when you stay enrolled in monitoring.
• Vapor barrier installation: Protective barriers installed in crawlspaces to block ground moisture from reaching your insulation and floor structure.
• Sump pumps and crawlspace drainage: Water management solutions for crawlspaces with standing water or chronic moisture. Annual sump pump inspection is included with our lifetime warranty program.
• Duct sealing and insulation: We seal and insulate your heating ducts to reduce energy loss. This work qualifies for PSE and utility rebates.
• Mold remediation: Professional mold removal in crawlspaces and attics to restore a safe, healthy environment in your home.

Why Shoreline Homeowners Choose American Crawlspace & Pest Services

A lot of companies will clean a crawlspace. Fewer can stand behind the work with a lifetime guarantee, and fewer still are licensed to do it right. Here's what sets us apart in a meaningful way:

We are one of only two WSDA-licensed full-service pest control companies operating in this market. Most crawlspace companies perform rodent exclusion work without holding a pest control license. That distinction matters because it affects the scope of treatment, the accountability behind it, and whether the people doing the work are operating within a regulatory framework designed to protect you.

Our Lifetime Rodent Guarantee covers both materials and labor, with no fine print and no asterisks, for as long as you remain enrolled in our pest monitoring service. If rodents damage new insulation we've installed, we replace it — fully. That's a commitment most companies in this industry don't make, because they can't back it up with the staffing, licensing, and operational infrastructure to deliver on it.

Every technician who enters your home is trained, vetted, and employed directly by us. We don't use subcontractors. This is the only way we can stand behind a lifetime guarantee with real confidence. Our team of roughly 53 employees gives us the operational scale to be reliable and consistent across King County and beyond. Management averages more than eight years with the company, and many crew members have been here five or more years.

We are 100% locally and family owned. The decisions about how your project is handled are made by people who live in this region — not outside investors managing metrics from a distance.

Our contractor license number is AMERICC911J8.

PSE Rebates and Utility Savings Available to Shoreline, WA Residents

If you're planning insulation or duct work in your Shoreline home, there's a strong chance part of the cost can be offset through utility rebates from Puget Sound Energy (PSE) or Snohomish County PUD. We are a registered and approved contractor with both programs, and we're the region's most active rebate partner — facilitating over $3 million in utility rebates for customers last year alone. We also hold co-branded materials and badge rights with PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily.

Navigating rebate eligibility can feel confusing if you've never done it. We handle the paperwork for you. From confirming which upgrades qualify to submitting documentation on your behalf, we take that process off your plate so you can focus on the outcome: a warmer, more energy-efficient home. Homeowners who complete qualifying insulation upgrades often see energy bill reductions of 20% or more.

Financing is also available for qualified customers if you'd like to move forward before rebate funds arrive or spread the cost of a larger project over time.

To find out what rebates apply to your Shoreline home, schedule your free inspection and rebate consultation. We'll assess your home and let you know exactly what programs you qualify for.

How Our Shoreline, WA Inspection and Service Process Works

We keep the process straightforward because your time matters and surprises aren't helpful. Here's what to expect from start to finish:

• Step 1 — Free on-site inspection: We assess your crawlspace, attic, moisture levels, pest evidence, and insulation condition. No obligation, no pressure.
• Step 2 — Clear, honest report: We explain what we found in plain language. If something is urgent, we'll say why. If it can wait, we'll say that too. We'd rather give you an accurate picture than an alarming one.
• Step 3 — Customized plan: We scope the work to what your home actually needs. Nothing is bundled in to inflate the project, and nothing necessary is left out to lower the bid.
• Step 4 — Professional installation or remediation: Our crews protect your surfaces, do clean work, and leave your home the way they found it — minus the problem.
• Step 5 — Walkthrough and explanation: Before we leave, you'll know exactly what was done, how it was done, and why it matters. We don't consider the job finished until you feel fully informed.

We approach every home with what we call whole-home systems thinking. Moisture, pests, and energy loss are connected problems. A crawlspace that holds humidity invites mold and pests. Pests damage insulation that was keeping your floors warm. Damaged insulation drives up heating costs. Addressing one part of that chain while ignoring the others leads to the same call again in two years. We don't work that way.

Properties and Home Types We Service in Shoreline

We work on a wide range of residential and commercial properties throughout Shoreline. The homes we see most frequently share a few common traits:

• Pre-1990 construction with original insulation that's deteriorated, become contaminated, or was never installed to today's standards
• Pier-and-beam or raised foundation homes with open crawlspaces exposed to ground moisture and wildlife
• Homes with confirmed or suspected rodent activity — droppings in the crawlspace, damaged vapor barriers, insulation pulled down from the subfloor
• Properties dealing with standing water or chronic crawlspace moisture after wet seasons
• Multifamily and commercial buildings in and around Shoreline requiring insulation, pest control, or moisture management at scale
• Homes where the owner wants to make qualifying upgrades to take full advantage of PSE or utility rebate programs before the program year closes

If your situation doesn't fit neatly into any of those categories, call us anyway. The inspection is free, and we'll tell you honestly whether we're the right fit for what you're dealing with.

Areas We Serve Near Shoreline, WA

Shoreline sits at the heart of King County's north end, which puts it close to a large portion of the communities we serve regularly. If you're just outside Shoreline, there's a very good chance we're already working in your neighborhood.

Nearby cities we serve include Seattle, Lynnwood, Edmonds, Bothell, Kirkland, and Redmond. Our full service coverage extends across King County, Snohomish County, Pierce County, and Thurston County, with Island County service available as well.

If you're unsure whether your address falls within our service area, reach out through our contact page and we'll confirm quickly.

Ready to Protect Your Shoreline Home? Start with a Free Inspection

The free on-site inspection is a genuine first step with no sales pressure behind it. You'll know what's actually happening under and above your home, what it would take to address it, and whether any of the cost can be offset through utility rebates. If you want to move forward, we'll build a plan around your home's specific needs. If the timing isn't right, you'll still leave with more information than you had before.

New insulation we install carries a lifetime warranty against rodent damage when you enroll in our monitoring service. Financing is available for qualified customers. And every technician on the crew is a direct employee — trained, vetted, and accountable.

American Crawl, The Team To Call.

Related Services

• Crawlspace insulation removal and installation
• Attic insulation installation
• Rodent exclusion and lifetime warranty program
• Schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Shoreline home needs new crawlspace insulation?

Cold floors in winter, rising heating bills, or a crawlspace that smells musty are the most common signs that something is wrong below your home. Visible rodent droppings, insulation hanging loose from the subfloor, or a vapor barrier that's torn or missing are more direct indicators that removal and replacement are overdue. The most reliable way to know for certain is a free on-site inspection — we'll assess the insulation condition, check for pest evidence and moisture, and give you a clear picture of what's there without any obligation to move forward.

Does American Crawlspace & Pest Services offer PSE rebates for Shoreline homeowners?

Yes. We are a registered and approved contractor with Puget Sound Energy (PSE), and Shoreline homeowners using PSE as their utility provider may qualify for rebates on insulation and duct sealing work. We facilitated over $3 million in utility rebates for customers last year and handle the rebate paperwork on your behalf so you don't have to sort through program requirements on your own. At your free inspection, we'll confirm which upgrades qualify and walk you through what to expect from the rebate process.

What does the lifetime rodent guarantee actually cover — and what's the catch?

The Lifetime Rodent Guarantee covers both materials and labor — meaning if rodents damage insulation we've installed, we replace it at no cost to you, including the labor. The one condition is that you remain enrolled in our ongoing pest monitoring service, which is how we maintain active protection rather than a one-time fix. There are no hidden exclusions or fine print beyond that enrollment requirement. Most companies in this industry don't offer this coverage because they lack the licensing, staffing, and operational infrastructure to back it up — as one of only two WSDA-licensed full-service pest control companies in this market, we're built to stand behind it.

How long does a typical crawlspace inspection and insulation project take for a Shoreline home?

The free inspection typically takes one to two hours depending on the size and condition of your crawlspace and attic. If you move forward with insulation removal and replacement, most single-family projects in Shoreline are completed in one to two days — though homes with significant contamination, rodent activity, or moisture issues may require additional time for sanitization and exclusion work. We'll give you a realistic timeline at the inspection before any work begins, so there are no scheduling surprises.

Home › Cities › Kirkland, WA

Crawlspace & Pest Services in Kirkland, WA

Kirkland Homeowners Trust American Crawl — Here's Why

Cold floors on a January morning. A sound you can't quite place coming from somewhere below the house. An energy bill that keeps climbing even though you haven't changed a thing. These are real concerns, and Kirkland homeowners bring them to us every week. You're not imagining the problem, and you don't need to figure it out alone.

American Crawlspace & Pest Services has been working in King County since 1995. Across nearly 25,000 homes served in the Pacific Northwest, the pattern is consistent: moisture, pests, and heat loss in crawlspaces and attics are connected problems that rarely fix themselves. We know the housing stock here, the rainfall patterns, and the specific ways older King County homes develop gaps that let cold air and rodents in.

Every technician who enters your home is trained, vetted, and employed directly by us — no subcontractors, no crews borrowed from another company. That matters because it's the only way we can stand behind our work with confidence. American Crawl is 100% locally and family owned. The people deciding how your job is handled are the same people who live and work in this community, not outside investors reviewing numbers from somewhere else.

Our customers reflect that approach. We carry a 4.9-star Google rating and a 4.8 out of 5 overall satisfaction rating, both built from unsolicited reviews, not marketing campaigns.

Call American Crawlspace & Pest Services at (425) 257-0282 to request your free inspection or talk through what you're seeing at your home. You can also contact us online to schedule — we serve Kirkland and communities throughout King County, Snohomish County, Pierce County, Island County, and Thurston County.

Crawlspace & Attic Services We Provide in Kirkland, WA

Every home is different, so we offer the full range of services needed to address what's actually found during inspection — not a one-size package. Here's what we provide for Kirkland homeowners:

• Crawlspace Insulation Removal: We remove contaminated or damaged insulation, clean out rodent droppings, pull old plastic sheeting, and treat the area with a neutralizing enzyme. High-power vacuum equipment handles debris that ordinary shop vacs can't touch. Learn more about our crawlspace insulation removal and reinstallation process.
• Subfloor Insulation Installation: We install R30 fiberglass batts in floor joist cavities, secured snugly to the subfloor. Products are formaldehyde-free and made from recycled glass and sand.
• Attic Insulation Installation: Blown-in insulation to a minimum 8–10 inch depth with proper venting baffles maintains air circulation and keeps your home comfortable year-round. See what's involved on our attic insulation installation page.
• Vapor Barrier Installation: A properly installed vapor barrier prevents moisture from moving up through the soil and into your floor structure, protecting insulation and wood framing alike.
• Rodent Exclusion & Removal: A four-step process covering inspection, exclusion and trapping, cleanup and sanitization, and ongoing monitoring. Details in the next section.
• Duct Sealing & Insulation: Sealing leaky heating ducts reduces energy loss and often qualifies for PSE and Snohomish County PUD rebates.
• Mold Remediation: Professional mold removal and restoration for crawlspaces and attics, returning the space to a safe, clean condition.
• Sump Pumps & Crawl Drainage: Water management below the house, with annual sump pump inspection included under the lifetime warranty program.

What Our Kirkland Rodent Exclusion Process Includes

Hearing something move under the floor at night is unsettling. Discovering droppings during a routine inspection is worse. The important thing to know is that rodent problems in Kirkland crawlspaces are fixable, and we have a structured process that addresses the root cause rather than just the visible symptoms.

The four steps work like this:

• Step 1 — Free on-site inspection: We identify every entry point, assess the extent of contamination, and give you a clear picture of what we found. No obligation, no pressure.
• Step 2 — Exclusion and trapping: Every gap and hole rodents are using gets sealed. A trapping system goes in to address any animals still on the property.
• Step 3 — Cleanup and sanitization: Contaminated insulation is removed and disposed of properly. The space is treated with a neutralizing enzyme that eliminates odors and biological residue that can attract new rodents.
• Step 4 — Ongoing monitoring: A one-year monitoring period is included after the exclusion work. As long as you remain on pest service, the lifetime warranty covers new insulation against rodent damage, including both materials and labor, with no fine print and no asterisks.

American Crawl holds a WSDA license for full-service pest control. That distinction matters: most crawlspace companies perform rodent exclusion work without a pest control license. We're one of only two companies in this market, among dozens of competitors, that are fully licensed. Our approach uses Integrated Pest Management principles, which means no long-term contracts and no reliance on repeated chemical treatments. We earn your continued business by actually solving the problem. You can read more about our rodent exclusion and removal process.

Benefits Kirkland Homeowners See After We're Done

The work under your house has a direct effect on how your house feels and what it costs to run. Kirkland homeowners consistently report several changes after insulation and exclusion work is complete.

• Lower energy bills: Insulation upgrades combined with duct sealing produce energy bill reductions of 20% or more for many homes. The floor above the crawlspace holds heat more effectively when the insulation is intact and properly installed.
• Warmer floors in winter, cooler rooms in summer: King County winters are damp and cold. When subfloor insulation is missing, thin, or contaminated, it shows up in how the floor feels underfoot. That changes after installation.
• A crawlspace you don't have to worry about: With ongoing monitoring in place and enzyme treatment complete, the space is clean and being watched. Most homeowners describe this as genuine peace of mind rather than just a service checkbox.
• Lifetime Rodent Guarantee on materials and labor: If rodents damage the new insulation while you're on pest service, we replace both materials and labor at no charge. That's the guarantee in full.
• A healthier home environment: Mold remediation and enzyme sanitization remove contaminants that can affect indoor air quality. Because air moves up from the crawlspace into living areas, what's down there matters for the whole house.

Moisture, pests, and energy loss are connected. Addressing one while ignoring the others leaves the problem partially solved. Our whole-home systems approach looks at all three together, which is why the results tend to hold.

Kirkland Utility Rebates — We Handle the Paperwork

Qualifying insulation and duct sealing work can offset a significant portion of the project cost through utility rebates, but the process can feel complicated if you're managing it on your own. We've built direct working relationships with the relevant utilities so you don't have to figure it out alone.

American Crawlspace & Pest Services is a certified contractor with both PSE (Puget Sound Energy) and Snohomish County PUD, and a preferred partner for rebate programs offered through Tacoma Power and Cascade Natural Gas. Last year, we facilitated over $3 million in utility rebates for customers across the region. No other contractor in the Pacific Northwest processes more utility rebate volume than we do.

During your free inspection, we identify which work qualifies and walk you through the expected rebate amounts before any decision is made. Co-branded materials and badge rights with utility partners reflect the depth of those relationships — this isn't a credential we list and move on from, it's an active part of how we work for Kirkland homeowners.

To find out which upgrades your home qualifies for, schedule a free inspection and discuss your rebate options with our team.

Why Kirkland Homeowners Choose American Crawl Over Other Options

The crawlspace and attic services industry has a wide range of operators, from large national franchises to small owner-operators. Kirkland homeowners who've done the research tend to come back to a few specific reasons for choosing American Crawl.

• A lifetime warranty that covers both materials and labor: Most competitors don't offer this. Ours has no fine print — it applies as long as you're on pest service.
• A long-tenured team: Management averages more than eight years with the company. Many field crew members have been with us five years or more. You get consistency, not a revolving door of unfamiliar faces.
• Operational scale: With approximately 53 employees, we have the infrastructure to schedule reliably, respond when things come up, and maintain quality control across every job. That's different from what a two-person operation can offer.
• A verifiable license: Contractor License #AMERICC911J8. Look it up.
• Financing options: For qualified Kirkland customers, financing is available, which makes larger projects — full insulation removal and reinstallation, combined exclusion and duct sealing — more manageable.
• Reviews that reflect real outcomes: Our 4.9-star Google rating comes from customers who chose to share their experience, not from a review generation campaign.

Areas We Serve Near Kirkland, WA

Kirkland is one of our core service areas within King County. We work throughout the broader region, covering the full range of communities across King, Snohomish, Island, Pierce, and Thurston counties.

Nearby King County communities we serve regularly include Bellevue, Redmond, Sammamish, Shoreline, Seattle, Renton, Kent, Burien, Auburn, and Issaquah. In Snohomish County, we serve Everett, Bothell, Edmonds, Lynnwood, and Marysville, among others.

If you're unsure whether your address falls within our service area, the fastest way to confirm is to reach out and ask — we'll give you a straight answer.

Frequently Asked Questions from Kirkland Homeowners

Schedule Your Free Kirkland Crawlspace Inspection

A free on-site inspection costs you nothing and leaves you with a clear picture of what's actually happening in your crawlspace or attic. We'll tell you exactly what we found, why it matters, and what we'd recommend, without pressure and without jargon. Financing is available for qualified Kirkland customers if the scope of work warrants it.

American Crawl — The Team To Call.

Related Services

• Crawlspace insulation removal and installation
• Attic insulation installation
• Rodent exclusion and removal
• Contact us to schedule a free inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Island County
• Thurston County

Frequently Asked Questions

How do I know if my Kirkland home's crawlspace insulation needs to be replaced?

The clearest signs are cold floors in winter, a noticeable increase in heating costs without an obvious cause, or a musty smell coming from below the house. Rodent activity, visible droppings, or sagging batts in the floor joists are also strong indicators. The most reliable way to know for certain is a free on-site inspection, where we can assess the actual condition of what's there — moisture damage, contamination, and compression all affect how insulation performs, and none of those are visible from inside the living space.

Does American Crawlspace & Pest Services offer rebates for insulation work in Kirkland?

Yes. We are a certified contractor with PSE (Puget Sound Energy) and work directly with utility rebate programs for insulation and duct sealing upgrades. Last year, we facilitated over $3 million in utility rebates for customers across the Pacific Northwest. During your free inspection, we identify which work qualifies and walk you through expected rebate amounts before any work begins, so you know what to expect. You can schedule a free inspection to discuss rebate eligibility for your specific home.

What does the lifetime rodent warranty actually cover — materials, labor, or both?

Both. The lifetime rodent warranty covers the full cost of replacing materials and labor if rodents damage new insulation, with no exclusions buried in the fine print. The warranty remains in effect as long as you're enrolled in ongoing pest monitoring service. This is one of the few crawlspace warranties in the region that covers the complete scope of replacement rather than just materials or just a portion of the labor cost.

How long does a typical crawlspace insulation removal and reinstallation take for a Kirkland home?

Most residential crawlspace jobs — removal of old insulation, sanitization, and installation of new R30 batts — are completed in one to two days, depending on the square footage and the extent of contamination found during inspection. Homes with significant rodent activity or moisture damage may take longer because proper cleanup and enzyme treatment take time to do correctly. We give you a realistic timeline before work starts so there are no surprises about how long we'll need access to the space.

Home › Cities › Burien, WA

Crawlspace & Pest Services in Burien, WA

Burien Homeowners: Here's What's Likely Happening Under Your House

Cold floors on a rainy January morning. An energy bill that keeps climbing even though you haven't changed a thing. A faint scratching sound somewhere in the walls after dark. These aren't imaginary concerns — they're common signals from the crawlspace or attic below and above your living space, and they're especially familiar to homeowners in south King County.

Burien's housing stock skews toward mid-century and post-war construction, and many of those homes were built before modern insulation standards existed. Combine that with the region's persistent wet seasons, clay-heavy soils that hold moisture against foundations, and the pressure from rising utility costs, and you have conditions that accelerate insulation breakdown, invite rodents, and quietly drive up what you spend to stay comfortable.

The good news: most of what we find under Burien homes is fixable. A free on-site inspection gives you a clear, honest picture of what's actually happening — no guesswork, no alarm tactics. Schedule your free inspection here and find out exactly where things stand.

Call American Crawlspace & Pest Services at (425) 888-5668 to request your free on-site inspection or ask about services for your Burien home. You can also schedule online here. The team serves Burien and communities throughout King County, Snohomish County, Pierce County, and Thurston County.

Services We Provide to Burien, WA Homes and Properties

American Crawlspace & Pest Services handles the full range of crawlspace, attic, and pest work that Burien homes typically need. Every job is performed by our in-house crews — trained, vetted, and employed directly by us, not subcontracted out.

• Crawlspace Insulation Removal: We remove contaminated or water-damaged insulation, clean rodent droppings, pull old moisture sheeting, and sanitize the space with a neutralizing enzyme treatment. High-power vacuum equipment pulls debris thoroughly so nothing is left behind.
• Subfloor Insulation Installation: We install R30 fiberglass batts — formaldehyde-free, made from recycled glass and sand — snug against your subfloor in every joist cavity. Cold floors become noticeably warmer, often within days.
• Attic Insulation Installation: Blown-in insulation distributed evenly to a minimum depth of 8–10 inches, with proper venting baffles maintained to keep airflow intact. Helps your home hold heat in winter and stay cooler in summer.
• Rodent Exclusion and Removal: A four-step process covering inspection, hole sealing and trapping, full cleanup and enzyme sanitization, and ongoing monitoring. Backed by a lifetime rodent guarantee on new insulation materials and labor.
• Vapor Barrier Installation: Ground-level moisture sheeting installed across the crawlspace floor to protect insulation, wood framing, and structural elements from water intrusion during wet seasons.
• Sump Pumps and Crawl Drainage: Standing water in a Burien crawlspace after heavy rain is a structural risk. We install drainage systems and sump pumps sized for your conditions, and annual sump pump inspections are included with our lifetime warranty program.
• Duct Sealing and Insulation: Leaky heating ducts waste energy quietly and constantly. We seal and insulate ducts to stop that loss — and this work qualifies for PSE and PUD rebates.
• Mold Remediation: Persistent moisture in south King County crawlspaces creates conditions for mold growth. We remove it safely and treat the space to discourage recurrence.

What Our Burien, WA Rodent Exclusion Process Includes

Rodents are a persistent reality in south King County. Older homes in Burien often have small gaps around pipes, foundation vents, and utility penetrations that give mice and rats a straightforward path inside. Our exclusion process doesn't just trap what's there — it closes the door so more can't follow.

Step 1: Free On-Site Inspection

We walk your crawlspace and exterior to identify every active entry point, document the extent of contamination, and assess insulation damage. You get a clear report of what we found before any work begins.

Step 2: Exclusion and Trapping

Every gap, crack, and penetration is sealed using materials rated for long-term durability. A trapping system is installed to address any rodents remaining inside.

Step 3: Cleanup and Sanitization

Contaminated insulation is removed and bagged. We treat the space with a neutralizing enzyme that breaks down odors and biological matter left by rodents — the kind of thorough step that prevents re-attraction.

Step 4: Ongoing Monitoring

A one-year monitoring period is included after exclusion work is complete. Our technicians check that the exclusion is holding and that no new activity has started.

The lifetime rodent guarantee we provide covers both materials and labor — fully, for as long as you're enrolled in our pest service. No fine print. One of the reasons we can stand behind that guarantee with confidence is that we use only our own in-house crews for every step of the work.

We're also one of fewer than two fully licensed WSDA pest control companies among dozens of crawlspace contractors operating in this market. Most competitors do rodent work without a pest control license. We don't cut that corner.

Benefits Burien, WA Homeowners See After Our Work

The changes homeowners notice after a crawlspace or attic project aren't subtle. Floors that were cold through three layers of socks become comfortable. Rooms that never seemed to hold heat start retaining it. And the anxiety of not knowing what's under the house is replaced by a clear record of exactly what was done and why.

• Warmer floors and more consistent temperatures throughout the home, year-round
• Energy bill reductions of up to 20% or more in potential savings on heating and cooling costs
• Rodent entry points sealed and contamination fully removed, not just treated
• Healthier indoor air — mold, enzyme-treated biological waste, and debris are gone
• Lifetime warranty on new insulation against rodent damage, backed by materials and labor coverage
• Potential PSE rebate dollars returned directly to you — we facilitated over $3 million in utility rebates for customers last year

Why Burien, WA Homeowners Choose American Crawlspace & Pest Services

There are a lot of contractors who will go under your house. Fewer will do it thoroughly, stand behind what they find, and still be around in five years if something comes up. Here's what sets us apart in concrete terms.

American Crawlspace & Pest Services has been serving the Pacific Northwest since 1995 and has completed work in nearly 25,000 homes across the region. The company is 100% locally and family owned — not backed by private equity. The people making decisions about your home are the same people who live and work in King County and surrounding communities.

Every technician who enters your home is trained and employed directly by us. No subcontractors. That's the only way we can honestly back our lifetime guarantee. Our management team averages 8 or more years with the company, and many crew members have been here five years or longer. That continuity shows in the consistency of the work.

Customer satisfaction sits at 4.8 out of 5 across platforms, with a 4.9-star Google rating backed by hundreds of five-star reviews. We hold Contractor License #AMERICC911J8 and are registered as an approved contractor with PSE, Snohomish County PUD, Tacoma Power, and Cascade Natural Gas.

Pest control is handled through Integrated Pest Management — no long-term contracts, no pressure to stay. We earn continued business by addressing the root cause of infestations, not by locking customers into recurring charges. Financing options are available for qualified customers who need to spread out the cost of larger projects.

Rebates Available for Burien, WA Homeowners

Insulation and duct sealing upgrades at your Burien home may qualify for rebates through Puget Sound Energy. Burien falls within PSE's service territory, which means qualifying projects can put real money back in your pocket after the work is done.

American Crawlspace is the region's leading rebate partner — we facilitated over $3 million in utility rebates for customers last year alone. We hold co-branded materials and badge rights with PSE, Tacoma Power, Cascade Natural Gas, and PST Multifamily. No other crawlspace contractor in this market processes more rebate work than we do.

What that means for you practically: we know which upgrades qualify, what documentation the utilities require, and how to avoid the paperwork headaches that trip up homeowners who try to navigate rebates on their own. When you schedule your free inspection, ask us directly about what your home may qualify for. Reach out here to get started and we'll walk through rebate eligibility with you at no cost.

Areas We Serve Near Burien, WA

Burien sits in the southwest corner of King County, and our crews cover the surrounding south King County communities as part of our regular service territory. We regularly work in Seattle, Renton, Kent, Auburn, and Shoreline, along with other King County cities and unincorporated areas close to Burien.

Beyond King County, we serve homeowners throughout Snohomish County, Pierce County, and Thurston County. Island County is also within our service area. If you're unsure whether your address falls within our range, the easiest answer is to contact us directly — we'll confirm coverage when you request your inspection.

Ready to Protect Your Burien Home? Start With a Free Inspection

The inspection is free. There's no obligation to move forward. What you get at the end of it is a straightforward explanation of what we found, what it means, and what your options are — no pressure, no alarm tactics, just honest answers from a crew that does this work every day across King County and beyond.

Most homeowners who schedule an inspection leave with a clear path forward. Some find that conditions are better than expected. Some find problems they weren't aware of, and they're glad they looked. Either way, you'll know what's under your house.

American Crawl — The Team To Call.

Related Services

• Request a free crawlspace inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Burien crawlspace insulation needs to be replaced?

The clearest signs are cold floors even when the heat is running, rising energy bills without an obvious cause, visible sagging or missing insulation batts, rodent droppings or evidence of nesting, and a musty or ammonia-like smell coming from the crawlspace. Burien's older housing stock — much of it built between the 1940s and 1980s — often has original insulation that has compressed, gotten wet, or been damaged by rodents over the decades. The only way to know for certain is a direct look under the house. Our free on-site inspection covers exactly that: we assess the condition, document what we find, and give you a clear picture of whether replacement is warranted.

Will I qualify for a PSE rebate on insulation work at my Burien home?

Yes, most Burien homeowners are within PSE's service territory and can qualify for rebates on attic insulation, subfloor insulation, and duct sealing work that meets program requirements. The rebate amount depends on the type of work, the square footage involved, and the insulation levels being installed. American Crawlspace is a registered PSE-approved contractor and facilitated over $3 million in utility rebates for customers last year — we handle the documentation and can walk you through eligibility during your free inspection so you know what to expect before any work begins.

What does your lifetime rodent warranty actually cover — materials, labor, or both?

Both. The lifetime rodent guarantee covers full replacement of materials and labor for as long as you remain enrolled in our ongoing pest monitoring service. If rodents damage new insulation we've installed, we come back and make it right at no additional cost to you — no separate charges for the labor, no partial coverage, no hidden conditions. The reason we can back that guarantee fully is that every step of the exclusion and installation work is performed by our own in-house employees, so we control the quality of every detail.

How long does a crawlspace inspection and insulation job typically take in Burien?

The free inspection itself typically takes one to two hours depending on crawlspace size and access conditions. For a full insulation removal and reinstallation project in an average Burien home, the work generally runs one to two days — removal and sanitization on the first day, installation on the second. Larger homes or projects that include vapor barrier work, duct sealing, or rodent exclusion alongside insulation may take an additional day. We'll give you a realistic timeline specific to your home during the inspection visit so you can plan accordingly. Schedule your inspection here to get started.

Home › Cities › Sammamish, WA

Crawlspace & Pest Services in Sammamish, WA

Sammamish Homeowners Know What Hides Beneath the Surface

Cold floors on a winter morning. A heating bill that keeps climbing with no clear explanation. A faint scratching sound somewhere in the walls after dark. If any of that sounds familiar, you're not alone. Sammamish homeowners deal with these concerns regularly, and most of the time the answers are underneath the house or up in the attic — in spaces most people never see.

The Pacific Northwest climate makes these issues more likely here than almost anywhere else. Wet winters, heavy rainfall from October through April, and the wooded lots that make Sammamish neighborhoods so appealing also create ideal conditions for moisture buildup and rodent activity. Green belts and tree lines that border many Sammamish properties give rodents a natural pathway straight toward the warmth of your crawlspace.

You don't have to know what's down there — figuring that out is exactly what a free inspection is for. American Crawlspace & Pest Services has been serving the Puget Sound region since 1995, and the team has completed work on nearly 25,000 homes across the Pacific Northwest. A no-obligation, on-site inspection is the low-risk first step to understanding what your crawlspace or attic actually looks like and what, if anything, needs to be done.

Schedule a free, no-obligation crawlspace or attic inspection for your Sammamish home by calling American Crawlspace & Pest Services or submitting a request through the contact page. The team will tell you honestly what they find, explain what it means in plain language, and give you a written scope before any work begins. Backed by a lifetime rodent warranty, a 4.9-star Google rating, and crews employed directly by the company — American Crawl, The Team To Call.

Services We Bring to Sammamish, WA Homes

Every home is different. A 1985 split-level near Beaver Lake has different needs than a 2005 build on the Plateau with a damp crawlspace. The services below cover the full range of what Sammamish homes typically require, and every job is scoped specifically to what your home actually needs — not a package that gets sold regardless of conditions.

• Crawlspace Insulation Removal: Old, contaminated, or damaged insulation is pulled out using high-power vacuum equipment. Rodent droppings, debris, and the old moisture barrier are removed, and the space is sanitized with a neutralizing enzyme treatment before anything new goes in. Learn more about crawlspace insulation removal and installation.
• Subfloor Insulation Installation: R30 fiberglass batts, formaldehyde-free and made from recycled glass and sand, are installed snugly into floor joist cavities and secured to the subfloor. The result is a noticeably warmer floor and reduced heat loss through the ground.
• Attic Insulation Installation: Blown-in insulation is distributed to a minimum depth of 8 to 10 inches with proper venting baffles kept clear to maintain air circulation. This keeps your home warmer in winter and cooler in summer. See what goes into attic insulation installation.
• Rodent Exclusion and Removal: A four-step process — inspection, hole sealing and trap installation, cleanup and sanitization, and ongoing monitoring — addresses both the immediate problem and the conditions that allowed it. New insulation is backed by a lifetime warranty when you enroll in monitoring. Read more about the rodent exclusion process.
• Vapor Barrier Installation: A properly installed moisture barrier in the crawlspace protects both the structure and the insulation from water damage that builds gradually over years.
• Sump Pumps and Crawl Drainage: For crawlspaces with standing water or chronic moisture intrusion, drainage solutions and sump pump installation provide lasting protection. Annual sump pump inspections are included with the lifetime warranty program.
• Duct Sealing and Insulation: Leaky or uninsulated ducts can waste a significant portion of your heating output before it ever reaches the living area. Sealing and insulating them reduces that loss and qualifies for rebates through PSE and Snohomish County PUD.
• Mold Remediation: When moisture problems go unaddressed long enough, mold follows. Professional mold removal in crawlspaces and attics restores the space to a safe, healthy condition before new insulation goes in.

Why Sammamish Homeowners Choose American Crawlspace & Pest

There's no shortage of companies willing to quote crawlspace work. What's harder to find is a company that can actually stand behind what it installs, has the licensing to handle pest control legally, and sends the same trained, vetted employees every time rather than subcontractors hired for the season.

American Crawlspace & Pest Services is one of only two WSDA-licensed full-service pest control companies in this market. Most crawlspace companies do rodent exclusion work without a pest control license. That distinction matters for the quality and legality of the work being done in your home.

Every technician who works on your property is hired, trained, and employed directly by the company. That's the only way to back a lifetime guarantee with real confidence. The rodent lifetime guarantee covers both materials and labor, with full replacement at no cost, for as long as you're enrolled in the pest monitoring service. No fine print. No asterisks.

• 4.9-star Google rating with hundreds of five-star reviews; 4.8 out of 5 across the web
• Approximately 53 employees — operational maturity that translates to reliable scheduling and consistent quality
• Management averages 8-plus years with the company; many crew members have been here five years or more
• 100% locally and family owned — not private equity — so decisions about your home are made by people who live and work in this community
• No-contract pest control through Integrated Pest Management: the goal is to address root causes, not create recurring dependence on treatments

Utility Rebates Available to Sammamish, WA Homeowners

Energy upgrades cost money upfront, and utility rebates can offset a meaningful portion of that cost — but only if your contractor is registered with the right programs and knows how to process the paperwork correctly. American Crawlspace & Pest Services is a registered and approved contractor with PSE (Puget Sound Energy) and Snohomish County PUD, and also works with Tacoma Power and Cascade Natural Gas.

The team facilitated over $3 million in utility rebates for customers last year, which reflects more rebate volume than any other contractor in the region. Duct sealing and insulation upgrades commonly qualify, and the team will walk you through exactly which improvements apply to your home and utility account. You don't have to figure out the rebate paperwork yourself.

Properly insulated and sealed homes in the region can see energy bill reductions of 20% or more. Financing options are also available for qualified customers when the full scope of work exceeds what makes sense to pay out of pocket all at once. Find out what rebates your home may qualify for on the rebates and incentives page.

What the Sammamish, WA Inspection Process Looks Like

Knowing what to expect before a crew shows up makes the whole process less stressful. Here's how it works from start to finish.

Step 1 — Free on-site inspection: A technician assesses your crawlspace and/or attic at no charge and with no obligation to move forward. The goal is an honest picture of current conditions.

Step 2 — Clear findings in plain language: What was found, why it matters, and what the realistic options are — explained without alarm and without jargon. If nothing urgent is found, that's what you'll hear.

Step 3 — Written scope of work: Before any work begins, you'll have a written explanation of exactly what will be done and why. No surprises on the day of the job.

Step 4 — In-house crew arrives: Surfaces are protected, the work is done thoroughly, and cleanup is part of the job — not an afterthought.

Step 5 — Post-job walkthrough: The team doesn't leave until you understand what was done and why. Questions are expected and welcome.

Moisture, pests, and energy loss are connected problems. A wet crawlspace invites rodents. Rodents destroy insulation. Damaged insulation drives up heating costs. Treating these as separate issues leads to repeated, partial fixes. The team at American Crawlspace & Pest Services approaches each home as a system, identifying where problems overlap and addressing them together.

Properties and Structures We Service in Sammamish

The work done in Sammamish spans a wide range of home types and situations. Pre-1990 construction is especially common in the insulation and moisture work — many of these homes have original insulation that has never been replaced and vapor barriers that have failed or were never installed correctly. But newer construction isn't immune, particularly on lots with high moisture exposure or significant tree cover.

• Single-family homes, especially those built before 1990 with aging or original insulation
• Newer construction where moisture intrusion or pest activity has compromised the crawlspace
• Homes with vented crawlspaces that accumulate moisture through Pacific Northwest winters
• Properties with wooded lots or green belt proximity where rodent pressure is consistently higher
• Homes on PSE or Snohomish County PUD service that are eligible for rebate-supported upgrades
• Commercial properties and multifamily housing in Sammamish needing crawlspace, insulation, pest, or moisture services

Areas We Serve Near Sammamish, WA

Sammamish sits within King County, and American Crawlspace & Pest Services covers King County in full. Neighboring communities served include Issaquah, Redmond, Bellevue, Kirkland, and Bothell — all within regular service range.

The service footprint extends well beyond the immediate area. Snohomish County, Pierce County, and Thurston County are all covered, along with Island County and communities throughout the broader Puget Sound region. If your home is just outside Sammamish city limits, reach out through the contact page to confirm coverage before scheduling.

Related Services

• Crawlspace insulation removal and installation
• Attic insulation installation
• Rodent exclusion and monitoring
• Utility rebates and incentives
• Contact us to schedule an inspection

Areas We Serve

• King County
• Snohomish County
• Pierce County
• Thurston County
• Island County

Frequently Asked Questions

How do I know if my Sammamish home's crawlspace insulation needs to be replaced?

The most reliable way to know is a direct inspection, but there are signs worth paying attention to before that: floors that feel cold even with the heat running, heating costs that have crept up without an obvious explanation, a musty smell coming from the crawlspace or lower level of the home, or any confirmed rodent activity. In Sammamish, homes built before 1990 often have original insulation that has compressed, gotten wet, or been disturbed by animals over the decades — and degraded insulation does little to hold heat in or keep moisture out. A free on-site inspection will give you a clear, honest answer about what's actually down there without any obligation to proceed.

Does American Crawlspace & Pest Services offer rebates on insulation in Sammamish through PSE or Snohomish PUD?

Yes. American Crawlspace & Pest Services is a registered and approved contractor with both PSE (Puget Sound Energy) and Snohomish County PUD, and also works with Tacoma Power and Cascade Natural Gas. The team facilitated over $3 million in utility rebates for customers last year, making it the region's highest-volume rebate partner. Duct sealing and insulation upgrades commonly qualify, and the team handles the rebate paperwork so you don't have to navigate it on your own. Details on qualifying upgrades and how to get started are available on the rebates and incentives page.

What does your rodent lifetime warranty actually cover — and what are the conditions?

The lifetime rodent guarantee covers full replacement of both materials and labor if rodents damage new insulation installed by American Crawlspace & Pest Services. There are no hidden asterisks: the coverage applies for as long as you remain enrolled in the ongoing pest monitoring service. That monitoring component is what makes the guarantee meaningful — it keeps rodent pressure actively managed rather than leaving the home unprotected after the initial exclusion work is done. The company is also one of only two WSDA-licensed full-service pest control providers in this market, which means the monitoring and exclusion work is performed legally and to a higher standard than most crawlspace-only contractors can offer.

How long does a crawlspace inspection and insulation job take for a typical Sammamish home?

The free inspection itself typically takes an hour or less, depending on crawlspace size and access conditions. For the actual work, a standard insulation removal and reinstall on a typical single-family home in Sammamish is usually completed in one day, though more extensive jobs involving mold remediation, rodent exclusion, vapor barrier replacement, or drainage work may take longer. Before any work begins, you'll receive a written scope that includes a clear timeline so you know what to expect. The crew protects surfaces during the job and does a full cleanup before leaving.

Home › Cities › Bothell, WA

Crawlspace & Pest Services in Bothell, WA — The Team To Call

Bothell Homes Have Unique Challenges Under the Surface

Bothell sits at the edge of the Sammamish River valley, and anyone who has owned a home here knows what Pacific Northwest winters do to a crawlspace. Heavy, sustained rainfall from October through March, cold snaps that drive pests indoors, and the kind of ground moisture that quietly works its way through an aging foundation — these are real problems that show up in real Bothell homes every year.

If your floors feel cold even when the heat is running, or your heating bills keep climbing without a clear reason, the crawlspace is usually where the answer is. Homeowners in Canyon Park, Queensborough, and the older neighborhoods east of I-405 often discover that their insulation is original to the house — 1970s or 1980s construction with materials that have long since compressed, absorbed moisture, or been disturbed by rodents.

Hearing scratching at night is unsettling. Finding droppings in a cabinet or noticing a musty smell coming from below the floor is worse. These aren't signs of a bad house — they're signs of a house that needs attention from people who know exactly what they're looking at. American Crawlspace and Pest Services has been working in homes like yours since 1995, serving Snohomish County and King County communities including Bothell. This is our region. We're not a call center routing you to a contractor two counties away.

Call American Crawlspace and Pest Services or schedule your free Bothell inspection online. The team serves Bothell and communities throughout King County, Snohomish County, and the greater Puget Sound region.

What We Do for Bothell Homeowners

Every service below is performed by our own trained, vetted, in-house crews — not subcontractors. That's the only way we can stand behind our lifetime warranty with confidence.

Crawlspace Insulation Removal

Damaged, contaminated, or rodent-compromised insulation comes out completely. We use high-power vacuum equipment to pull material out without spreading debris through your living space, then treat the area with a neutralizing enzyme sanitizer to address odor and biological contamination left by pests. Learn more about our crawlspace insulation removal and installation process.

Subfloor Insulation Installation

We install R30 fiberglass batts in your floor joist cavities, secured snugly so they stay in contact with the subfloor and actually do their job. The products we use are formaldehyde-free and made from recycled glass and sand. The difference in floor comfort and heating efficiency is something most Bothell homeowners notice quickly.

Attic Insulation Installation

Blown-in attic insulation to a minimum depth of 8 to 10 inches, distributed evenly with proper venting baffles to maintain air circulation. This work qualifies for rebates through PSE and Snohomish County PUD. Details on our attic insulation installation page.

Rodent Exclusion and Removal

We start with a free inspection, then seal entry points, install a trapping system, clean and sanitize contaminated areas, and provide 1 year of ongoing monitoring. New insulation installed as part of this process is covered by our lifetime rodent warranty — materials and labor, for as long as you're on pest service. See how it works on our rodent exclusion service page.

Vapor Barrier Installation

A properly installed vapor barrier prevents ground moisture from rising into your crawlspace and damaging insulation or structural framing. Our vapor barrier installation is part of a whole-home approach to moisture control.

Sump Pumps and Crawlspace Drainage

For Bothell properties with standing water or drainage concerns, we install sump pump systems and crawlspace drainage solutions. Annual sump pump inspection is included in our lifetime warranty program. More on our sump pump and drainage services.

Duct Sealing and Insulation

Leaky heating ducts are one of the most common sources of energy loss in older Bothell homes. We seal and insulate ducts to reduce that loss — and this work qualifies for utility rebates.

Mold Remediation

Moisture and poor ventilation create conditions where mold takes hold in crawlspaces and attics. We remove it professionally and address the underlying conditions so it doesn't return.

To schedule a free inspection or ask about any of these services, visit our contact page.

Why Bothell Homeowners Choose American Crawlspace and Pest Services

There are a number of companies offering crawlspace work in the greater Bothell area. Here's what separates us from most of them.

• Operating since 1995 — nearly 30 years serving the Pacific Northwest, including Snohomish County communities.
• 100% locally and family owned — the people making decisions about your home live and work in this region, not in a private equity office.
• 100% in-house crews — every technician who enters your home is trained and employed by us. That's the only way a lifetime warranty means anything.
• One of only two WSDA-licensed full-service pest control companies in this market — most crawlspace competitors do rodent exclusion without a pest control license. We're fully licensed.
• Lifetime Rodent Guarantee — materials and labor, fully covered for as long as you're on pest service. No fine print. No asterisks.
• ~53 employees with management averaging 8-plus years with the company — a level of operational maturity that protects your investment over time.
• 4.9 stars on Google with hundreds of five-star reviews; 4.8 out of 5 overall across the web.
• Nearly 25,000 homes served in the Pacific Northwest.