Top-rated radon gas testers.

Get matched with top radon gas testers in Bellevue, WA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Radon gas testers in Bellevue

Avatar for Edgeline Restoration
Edgeline Restoration
4.9(
12
)

Angi Approved

In business since 2019

Free estimates

Emergency services offered

"Exceptionally knowledgeable professionals with a service mindset. My office and storage building was flooded from a burst pipe last winter (2021/2022). I called up Affordable Restoration and they helped me through the whole process. They also referred me to a fantastic public adjuster who took care of the whole claim for me. I was impressed on how knowledgeable the Affordable Restoration crew was on not only the flood aspect but also on how to work best with my insurance company. They took the time to educate me throughout the whole process on water, mold, mitigation, restoration and the claim process. After my initial meeting with them, I felt like I was an expert on these topics. This gave me a lot of confidence in working with my insurance claim. It was a breath of fresh air to deal with a contractor that actually cares about you and takes the time to listen and address all of your concerns. Their crews did a great job. They always showed up on time, constantly monitored the site conditions and left the site cleaner than they found it. I'm confident that my building was restored properly and is safe for future use. I would highly recommend working with them."
Recommended by100%of homeowners
Hawaiian Construction LLC
4.3(
7
)

In business since 1993

Free estimates

Emergency services offered

"I had a fire in my living room ceiling caused by the wood stove flue and when the Fire Department was done, I had a real mess, a hole in the roof, and a cracked wood stove glass door when the fire department sprayed the hot stove. Hawaiian construction was only contracted to do the living room damage but they went far beyond that, which I am so very thankful for. Before they could really begin, my deck needed to be rebuilt because it had collapsed. So the part needed was rebuilt by Ramon and he built it even better than the previous one. I was impressed by how well it was done. Next, they had to replace the whole floor because it was warped from all that water, then the whole wall behind the wood stove and the whole ceiling. I asked them to sheetrock the ceiling rather than the standard manufactured home ceiling, and they did, which looks much better. After all the repairs, they painted the whole living room, then they painted the next adjoining room and the dining room and into the master bedroom and then the master bathroom. They painted all of those rooms, and ceilings. After carpeting the living room, they also carpeted all of the other rooms they had painted as well! They even repaired a hole in the ceiling of the master bathroom, and in the floor. They really surprised me with a lot of the things they did. Even a new kitchen floor. They even replaced my garbage disposal, a complete surprise to me! The insurance company said they would not replace the wood stove because it was the cause of the fire. Then I was really surprised when I walked in the house and found a new wood stove waiting for me. I don't know how they did it but I was very grateful for that and very shocked they had done it. They did tell me they like to do extra work for veterans, a very humble understatement, and they went far beyond just extra work. In fact, they did so much that I may have left something out. Altogether, they repaired, carpeted, painted, and replaced things in three fourths of the entire house, 3 bedroom, 2 bath, when the job was to be for a single room! I can't imagine they even made much for the job. They did so much extra work they may have even taken a loss for all I know. And I'm even late leaving this review, for which I must deeply apologize to Hawaiin Construction. I would highly recommend this company for anyone needing repairs to their home. The work is great and they take care of their clients."
Recommended by85%of homeowners
Avatar for Cascade Radon Inc
Cascade Radon Inc
4.9(
157
)

In business since 1990

Free estimates

Emergency services offered

"Excellent from beginning to end. Very professional outfit from initial visit, quote, scheduling, work, followup. Price was reasonable, work quality went above and beyond, and radon levels dropped well below even the contractual level."
Recommended by99%of homeowners
Avatar for Shirey Home Pro
Shirey Home Pro
4.5(
227
)

In business since 2003

"Marvelous, even when we had to return a sink due to a malfunctioning part and begin again with a different sink. We provided the tile, adhesive and grout."
Recommended by84%of homeowners
Bio Management Northwest
4.4(
5
)

In business since 2007

Free estimates

Emergency services offered

Additional DBA - Bio Management Northwest Inc. See website for additional services.\nDBAs Clutter Control NW, Healthy Crawlspaces NW, & Water & Fire NW.

Recommended by100%of homeowners
Global Plasma Solutions
5.0(
1
)

In business since 2008

Global Plasma Solutions is a manufacturing company that sells air purification systems primarily into the commercial and residential markets. Home owners can benenfit from our systems as they are easily adapted to any HVAC system. Go to www.gpshvac.com to find a certified contractor near you to have one installed within your home.

Recommended by100%of homeowners
Irrigation & Landscape Management Inc
4.9(
15
)

In business since 2001

Free estimates

Emergency services offered

My Company Provides exterior related excavation work. Weather its drainage related or digging out whole house to repair foundations and waterproofing. I have been in this field for more than 20 years and have been in business for 10 years. My company has waterproofed many basements and have redone 100's of feet of down spout lines. My business idea is pretty simple do it right the first time for the price i quote. I always offer a strong warrenty and stand behind all my work.

Recommended by100%of homeowners
ASAP Custom Restoration
New to Angi

In business since 2006

Emergency services offered

We at ASAP Custom Restoration are fabric restoration specialist. We work with insurance companies and sub contractors to insure quality cleaning of all textile belongings when a fire or flood have happened in a home.

Green Home Remodeling, LLC
5.0(
1
)

In business since 1999

Free estimates

Emergency services offered

"Colin and Amy are a fabulous team. They gave us the most competitive bid on our bathrooms and a major plumbing project. Colin presented us with several beautiful options for countertops, flooring, vanities, and tub tiles. Colin can be opinionated, but he was kind to my toddler and older boy and always gave me what I wanted--even repainting all three bathrooms without charging us when I found I didn't like the initial color I'd picked out. They are low-key and patient with homeowners who waffle on decisions, like me. Colin's attention to detail is awesome. I highly recommend Green Home Remodeling and think other people should review them! Full disclosure: I attend church with Colin and Amy, but that didn't factor into our decision to hire them, except that we hoped that they were trustworthy. They absolutely are."
Recommended by100%of homeowners
...
Showing 1-10 of 257
FAQs for radon gas testing projects in Bellevue, WA

Radon is the second leading cause of lung cancer in the U.S. The gas seeps through cracks in foundations and collects in basements and other low areas. Once you breathe it in, radioactive particles lodge in lung tissue and do long-term damage. Because you can’t see or smell radon, the EPA recommends testing your home every two years—and after major renovations—to keep your family safe.

Yes—every home should be tested. The EPA advises doing it at least every two years and any time you remodel, buy, or sell. On average, one in 15 houses nationwide sits above the recommended limit, and the only way to know where yours stands is a formal test. The equipment simply measures gas levels and won’t change your indoor environment, so the process is completely harmless.

Certified radon professionals—often home inspectors or dedicated radon mitigation contractors—handle testing. These radon testing professionals follow EPA protocols and use calibrated instruments to check levels throughout your house. Hiring a certified radon specialist means results you can trust for real estate deals, insurance requirements, and, most importantly, your family’s health.

Inspectors specialize in measuring radon gas levels, while licensed mitigation contractors design and install the systems that remove it. If your test comes back high, your inspector can point you to a qualified mitigation pro who will size and install the right fan, piping, or other equipment to bring levels down.

No—standard home air purifiers don’t touch radon. They’re built to trap dust and pollen, not radioactive gas. If testing shows high levels, you’ll need a dedicated mitigation system that vents the gas from beneath your home to the outdoors. Relying on a room purifier alone won’t keep your indoor air safe.

Opening a few windows in your home might dilute radon for a short time, but the gas seeps back in as soon as they’re closed. For a lasting fix, you’ll need a professional mitigation system—often a sub-slab depressurization fan—that pulls radon from beneath the foundation and safely vents it outside.

The Bellevue, WA homeowners’ guide to radon gas testings

From average costs to expert advice, get all the answers you need to get your job done.