*The Angi rating for Radon Detection And Reduction companies in Seattle, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
*The HomeAdvisor rating for Radon Detection And Reduction companies in Seattle, WA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
Last update on May 21, 2026
Serving Seattle, WA and surrounding areas
Approved
In business since 2005
Emergency services offered
Credit card accepted
"Very professional, explaining what he was doing and why. Very thorough. Quick feedback from the mold test! I would recommend Virgil Pelton's work."
Serving Seattle, WA and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
At Edgeline Restoration LLC, we are your local experts in water, mold and fire damage restoration as well as indoor environmental testing. We serve all of Snohomish and King county. Call us today at (206) 355-8282 for more information!
+23
Serving Seattle, WA and surrounding areas
In business since 1997
Free estimates
At Environmental Technology Consultants, we are your premier choice for testing. We have provided high quality work and friendly customer service for years. Call today!
Serving Seattle, WA and surrounding areas
In business since 2025
Free estimates
Al-KI Home Inspection is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!
Serving Seattle, WA and surrounding areas
In business since 2003
Free estimates
Credit card accepted
Werner Consultant America, LLC will if possible evaluate and fix any environmental/hygienic problem including for example mold and toxicity problems in your home.
Serving Seattle, WA and surrounding areas
In business since 2020
Free estimates
Offers commercial services
It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you're going through. We know every customer has different desires, different needs and different schedules. We're not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.
Serving Seattle, WA and surrounding areas
We specialize in crawl space and attic related services. Often times those areas of the home are neglected. We commonly find mold, rodent feces, drainage issues, infiltrated in insulation etc... Rats are a common occurrence in attics and crawlspaces and are often responsible for destroying furnace ducting, vapor barriers, insulation among other things. \nCrawl space \nMold Treatment\nCrawl Space Inspection - FREE\nCleanUp\nInsulation Install/Removal\nDrainage & Sump Pumps\nPest Control\nRodent Exclusion\nAir & Duct Services\nRat Slab Services\n\nAttic\nAttic Inspection - FREE\nCleanUp\nInsulation Install/Removal\nMold Treatment\nRodent Exclusion\nAir & Duct Services\nPest Control\n
+61
Serving Seattle, WA and surrounding areas
In business since 1988
Free estimates
Credit card accepted
SWAT Environmental is the nation's largest radon abatement engineer. Our experienced staff has corrected radon problems for over 60,000 customers since 1988 with 100% success!
Serving Seattle, WA and surrounding areas
In business since 2019
Free estimates
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
Serving Seattle, WA and surrounding areas
In business since 2025
Free estimates
Credit card accepted
Were a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!
+3
From average costs to expert advice, get all the answers you need to get your job done.
The cost of a radon mitigation system in Seattle, WA, depends mostly on the type of system being installed. Use this guide to learn about your options.
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.
