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Best radon detection and reduction specialists near Spokane Valley, WA

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Top-Rated Radon detection and reduction specialists in Spokane Valley - Updated Nov 2026

Avatar for RADON TESTING & MITIGATION SOLUTIONS LLC
RADON TESTING & MITIGATION SOLUTIONS LLC
5.0(
8
)
Radon Gas - AbatementRadon Gas - Testing

Serving Spokane Valley, WA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"Your allowed service choices do not allow for Radon testing, etc. I highly recommend â Radon Testing & Mitigation Solutionsâ , specifically Mr. Bejar for his respectful, knowledgeable, professional, and prompt services. Thank you"
Monroe & Broadway
Monroe & Broadway
Brown's Addition
Spokane City Hall
Lennar Homes

+3

Response time4 hrs
Response rate98%
13 neighbors recently requested a quote
Avatar for CP Home Service
CP Home Service
5.0(
3
)
Radon Gas - Testing

Serving Spokane Valley, WA and surrounding areas

Approved

Free estimates

Warranties offered

Credit card accepted

"Brian was really friendly and professional, and you could tell he was very thorough. He explained everything in a way that was easy to understand during the inspection, and the report he sent after was super detailed with pictures and notes on all the systems in the home. I especially liked that he included a section that called out the main issues to focus on. Overall, we were very happy with his service and would definitely recommend him to anyone."
Chimney inspection
Crawlspace
Old Roofing
Window Frame
Electrical Panel

+8

Avatar for Affordable Radon Services LLC
Affordable Radon Services LLC
5.0(
1
)
Radon Gas - AbatementRadon Gas - Testing

Serving Spokane Valley, WA and surrounding areas

In business since 2011

"This company was professional from start to finish! Setting up the appointment was quick and easy, they showed up on time and were concerned with my needs. They wanted to make sure the system was going in the proper spot, both inside and outside, and wore a mask and booties the whole time. I was impressed and will hire them again!"
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+13

Recommended by100%of homeowners
Affordable Home Inspection, LLC
New to Angi
Radon Gas - Testing

Serving Spokane Valley, WA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

We pride our company on reliability, integrity and quality work. When Affordable Home Inspection, LLC is hired, we make it a point to provide the highest level of customer service. We work with both residential and commercial clients, and apply the same attention to detail regardless of project size or complexity. We look forward to earning your business! Thank you!

Showing 1-10 of 13
Radon Detection and Reduction FAQs, answered by experts

Installation typically takes 1-2 days, depending on the system and property layout.

The average radon mitigation system uses about 876 kWh of electricity per year, although the exact amount of electricity used will vary depending on the size of the radon fan. Once the system is installed, the annual increase to your energy bill could range from $30 to $300 per year, again depending on the size of the fan.

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

Ideally, no one will live in a house with elevated radon levels, as prolonged exposure increases the risk of serious health issues like lung cancer. However, homes with radon can be made safe through mitigation systems, such as active soil depressurization. Testing for radon regularly and addressing high levels helps ensure a safe living environment.

The Spokane Valley, 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.