PROFESSIONAL ATTIC & CRAWL SPACE SERVICES in Western WA

INSULATION REMOVAL & REPLACEMENT • CLEAN OUTS • MOLD REMOVAL • RODENT SOLUTIONS • SUMP PUMPS • DRILL & FILL

Insulation, Mold, Rodents & More

Creating Healthier, More Comfortable Homes Since 2008

With over 50 years of experience, we specialize in insulation, mold remediation, and complete attic and crawl space solutions. From moisture prevention to clean-outs and energy upgrades, our certified team delivers high-quality service that boosts comfort, air quality, and efficiency. Discover why homeowners across the region trust us to protect and improve their homes.

10-Year Warranty

Workmanship warranty and a free courtesy check

Discounts & Rebates

Local Utility Rebate Assistances on attic and crawl space upgrades

License, Bonded, Insured

Peace of mind that your home is in safe, professional hands

50+ Years Experience

Over a decade of experience in the attic & crawl space industry

ATTIC & CRAWL SPACE SERVICES

Crawl Space & Attic Lasting Remedies

Serving Western Washington for over a decade, we bring the experience your home deserves. From insulation and mold removal to sump pumps and French drains, we keep your attic and crawl space clean, dry, and energy‑efficient with expert care and reliable results.

attic Services

Crawl Space Services

Mold Remediation

Rodent Exclusion & Proofing

Sump Pump & French Drain

Duct Seal & Insulation

Ready to Transform Your Home?

The Insulation Co Standard

Your home deserves more than the ordinary. That’s why we always…

Why Choose Us?

Trusted by Homeowners Across the PNW

Quick & Free Estimates

Clear recommendations, no pressure, and no hidden costs.

Save Money with Local Rebates

We help you qualify for PSE, PUD, Cascade Natural Gas, and other energy rebates.

Licensed, Insured, Bonded

Our team is fully licensed, insured, and bonded, giving you peace of mind that every job meets professional standards and local regulations.

Experienced & Certified Crews

Backed by 50+ years of combined experience and a 10-year workmanship warranty.

Let’s Flip the Script on Attic and Crawl Space Care

Expert Solutions for Every Attic & Crawl Space Need

Our Core Services

Attic services

Insulation Removal
Insulation Installation
Attic Cleaning Remediation
Roof Ventilation
Removal and Cleanup
Air Sealing

crawl space services

Insulation Services
Cleaning
Vapor Barrier
Rodent Barrier
Crawl Space Doors
Decontamination

mold remediation

Containment
Decontamination
Mold Removal and Remediation
Ventilation Services
Non-Toxic Method
Eco-Friendly Methods

drainage solutions

Water Mitigation
Sump Services
Sump Pump Installation
French Drain Systems
Sump Pump Repair and Replacement

duct sealing & insulation

Duct Sealing Services
Duct Repair and Replacement
Install New Flex
Mastic Seal Application
Insulation Removal and Replacement

ANIMAL & RODENT exclusion

Pest Removal
Exclusion
Barrier Installation
Proofing
Sanitization

successful projects & satisfied customers

Rated 5 out of 5

“Great Service, had crawlspace insulation done last year. I did not want to rush with a review and wanted to give some time before I rate the service. The work they done was great and on time. Also Jo was great and flexible to adjust the schedule to fit my re-ducting work in the crawlspace. Highly recommend !”

"They did an amazing job transforming our crawlspace! We had the insulation ripped out, replaced, and restricted access due a rodent problem. Jo was wonderful with providing information, and the crew did an amazing job at an amazing price! So much respect for them!"

"Insulation Co did a clean-up of a crawl spaces that had a rat infestation last year. Some of the spaces were really tight and nasty. Jo's team came in on time, cleaned out all the torn-up insulation and replaced both the vapor barriers and overhead insulation. The work took less than a day and was better than the original. I did a lot of research and Insulation Co gave the best value for cost by far. I fully recommend them for crawl space work."

"I had an amazing experience with Insulation Co! Being a new homeowner I had many questions. Talking to Jo to setup the appointment put my mind at ease. He was very knowledgeable and answered every concern I had. When the installers showed, they were on time and professional. Pedro and his crew did a quick and thorough job! For photos the yellow insulation is old, new is pink."

Locally Loved. Highly Rated.

Hear It from Our Satisfied Customers

Professional crew. Showed up on time, finished in 6 hours as quoted. They laid down plastic so they left NO dirt whatsoever in my home. I will definitely use them again if needed. These are pros with good customer service and work ethic.
Manny Z.

Rated 5 out of 5

They did an amazing job transforming our crawlspace! We had the insulation ripped out, replaced, and restricted access due a rodent problem. Jo was wonderful with providing information, and the crew did an amazing job at an amazing price! So much respect for them!
Mary W.

Rated 5 out of 5

We hired Insulation Co to remove and replace our old insulation in our attic because we had a couple of leaks that we weren't sure where they were coming from. After the old insulation was removed, repairs were made and they returned to complete our job. Great work, fair price and very accommodating. We would hire again and will recommend to friends and family.
Susan F.

Rated 5 out of 5

I had an amazing experience with Insulation Co! Being a new homeowner I had many questions. Talking to Jo to setup the appointment put my mind at ease. He was very knowledgeable and answered every concern I had. When the installers showed, they were on time and professional. Pedro and his crew did a quick and thorough job! For photos the yellow insulation is old, new is pink.
Bradley H.

Rated 5 out of 5

Insulation Co did a clean-up of a crawl spaces that had a rat infestation last year. Some of the spaces were really tight and nasty. Jo's team came in on time, cleaned out all the torn-up insulation and replaced both the vapor barriers and overhead insulation. The work took less than a day and was better than the original. I did a lot of research and Insulation Co gave the best value for cost by far. I fully recommend them for crawl space work.
Chris M.

Rated 5 out of 5

Insulation Co was quick and thorough. We needed a job done quicker than most. They remiediated our entire crawlspace and replaced our ducts. They made sure to get us on their schedule immediately. Jo even went out of his way to be available to me while he was out of town. They finished everything in less than a day for each job with excellent precision and kind workers. They were also reasonably priced! I would highly recommend them to everyone.
Sarah J.

Rated 5 out of 5

Insulation Co replaced my worn crawlspace insulation in late 2024. They communicated well, came when they said they would, and cleaned up after themselves. I used to work with a municipality monitoring weatherization work and I was very impressed with the final result (yes, I crawled around down there).
Andy G.

Rated 5 out of 5

I’m a realtor and called Insulation Co to help with a crawl space insulation replacement on a home I was selling for a client. They finished the job quickly, and efficiently with the best customer service and minimal fuss. Thank you to Joe and his team!! Here’s before and after photos
Melanie M.

Rated 5 out of 5

As we were selling our house, we learned that the attic had a big mold and rodent problem. We got several quotes, but Insulation Co gave us by far the best one, in terms of price but also in terms of giving us confidence that they would do a good and complete job. Jo is very knowledgeable and efficient. We were not disappointed. The crew was professional and fast, and they went over and beyond to find the root causes of the issues, and addressed them. Thank you Jo and Rafael for a job well done!
Gerrit K.

Rated 5 out of 5

Say Goodbye to Drafts, Pests & High Energy Costs

With 50+ years of combined experience, Insulation Co. is Western Washington’s trusted attic and crawl space expert. Whether you need insulation upgrades, mold removal, or full cleanouts, we deliver quality you can count on—backed by a 10-year workmanship warranty.