Top-rated radon detection and reduction specialists.

Get matched with top radon detection and reduction specialists in Seatac, WA

Enter your zip and get matched with up to 5 pros

Need a pro for your radon detection and reduction project in Seatac, WA?

Select your specific project to find the pro for you.

Find Radon detection and reduction specialists in Seatac

Avatar for The Home Private Investigator/Home P.I., LLC
The Home Private Investigator/Home P.I., LLC
4.7(
60
)
Radon Gas - Testing

Serving Seatac, WA and surrounding areas

Approved

In business since 2005

Emergency services offered

Credit card accepted

"Highly recommend hiring! Virgil was responsive, friendly, timely, very reasonable, and he sure knows his stuff! And how can you go wrong with a company name like Home PI! Would absolutely recommend working with Virgil to do testing."
OUR WORK
OUR WORK
OUR WORK
Response time3 hrs
Recommended by94%of homeowners
Avatar for Edgeline Restoration
Edgeline Restoration
4.9(
12
)
Radon Gas - Testing

Serving Seatac, WA and surrounding areas

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."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+23

Response time4 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for BranDan Home Solutions
BranDan Home Solutions
5.0(
2
)
Radon Gas - AbatementRadon Gas - Testing

Serving Seatac, WA and surrounding areas

Approved

In business since 2022

Free estimates

Offers commercial services

"I couldn’t be happier with the service I received! The team did an excellent job removing the mold from my house and made the entire process feel easy and stress-free. They were professional, thorough, and truly cared about doing the job right. What really stood out was their exceptional customer service. Everyone was friendly, respectful, responsive, and happy to answer all of my questions. They kept me informed throughout the process and treated my home with care. I highly recommend this company to anyone looking for reliable mold removal and outstanding customer service. Thank you for giving me peace of mind and helping make my home feel clean and safe again! 🙌🏠✨"
Palm Construction and Remodeling Inc.
4.2(
88
)
Radon Gas - AbatementRadon Gas - Testing

Serving Seatac, WA and surrounding areas

In business since 2020

Free estimates

Offers commercial services

"My good friend recommended me Palm Construction on my roof replacement. I also contacted some other recommended roofing contractors and offer from Palm Construction was very acceptable. Lee and his crew started roof replacement soon after we signed a contract. Lee was very professional, honest and helpful. His crew kept working area clean as possible and they finished my roof quick and on time. The roof passed inspection and it looks great. I would highly recommend Palm Construction!"
Response time2 days
Recommended by90%of homeowners
Avatar for Diversified Crawlspace Services
Diversified Crawlspace Services
4.5(
13
)
Radon Gas - AbatementRadon Gas - Testing

Serving Seatac, WA and surrounding areas

"We had a foot of water in our crawl space after the snow and 6 in. of rain from the December 2021 storms. I had called several companies to come out to take a look and give quotes. Ethan from diversified was the 3rd quote we received. Ethan explained the issue, explained what they would do to remedy it, and answered all my questions. He sent me the quote which was very resonable. BE SURE TO GET SEVERAL QUOTES. ONE COMPANY QUOTED US DOUBLE OF WHAT WE PAID DIVERSIFIED. They were able to get a team out two days later. The team was on time, professional, and did really good work. We ended up needing a sump pump due to ground water coming up. They applied a mold application and completed the work in a day. I highly recommend these guys and did my research prior to having them do the work. I am very impressed and happy we chose them."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+61

Recommended by84%of homeowners
Avatar for Diversified Crawlspace Services
Diversified Crawlspace Services
3.6(
20
)
Radon Gas - Abatement

Serving Seatac, WA and surrounding areas

In business since 1992

Free estimates

Emergency services offered

"Ray and Jacob came right out, quickly diagnosed my problem, and did exactly what they needed to fix it permanently. Super competent and really nice guys (Go Seahawks!). Ray also did a full inspection of my crawl space and attic for free as he knew I was planning to put the house on the market. Ray is certified for both mold and pest control and does not mind getting dirty to do a thorough inspection. I would give ten stars if I could!"
moldy crawlspace
New access door
Rat slab
a moldy attic
After cleanup and mold treatment

+2

Response time7 hrs
Recommended by90%of homeowners
Showing 1-10 of 12
Radon Detection and Reduction questions, answered by experts

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

You can vent radon out of your house sometimes by simply opening a window, but it won’t remove the source, and will likely rise above recommended levels quickly. A professional will be needed to assess your home, and determine the best strategy for radon removal. Active radon sump pumps and soil depressurization systems are often used to forcefully vent the radon from your home.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. 

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

The Seatac, WA homeowners’ guide to radon detection and reduction services

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