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*The Angi rating for Radon Detection And Reduction companies in Stevenson, AL 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 Stevenson, AL 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 October 28, 2026

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

Avatar for Frontier Foundation and Crawl Space Repair
Frontier Foundation and Crawl Space Repair
4.1(
97
)
Radon Gas - AbatementRadon Gas - Testing

Serving Stevenson, AL and surrounding areas

Approved

In business since 2002

Free estimates

Warranties offered

"The company stated the method they were going to due to repair the complex stone foundation problem. Mike Pierce kept me informed during the different stages of the process with Jacob and Schuyler, the other workers."
Before - Crawl Space
After - Crawl Space
During - Crawl Space
Before - Chimney
After - Chimney

+9

Response time30 mins
Response rate100%
36 neighbors recently requested a quote
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Avatar for DEH Sales Group, LLC
DEH Sales Group, LLC
5.0(
28
)
Radon Gas - AbatementRadon Gas - Testing

Serving Stevenson, AL and surrounding areas

In business since 2000

Free estimates

Credit card accepted

"David was amazing. He did a very good job at inspecting our house. Explained everything to us very well. I was very pleased with the job he done. And his wife is very fun to talk to as well. Highly recommend."
90 year old house
Crawlspaces aren't pretty.
The only Certified ASHI inspector in the area.
Crawlspaces aren't pretty.
90 year old house

+2

Response time30 mins
Response rate92%
Recommended by100%of homeowners
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Avatar for Mitchell Water Control and Mold Solutions
Mitchell Water Control and Mold Solutions
5.0(
1
)
Radon Gas - AbatementRadon Gas - Testing

Serving Stevenson, AL and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"It went great and the professionalism was very impressive. Now the venhilation through the house is way cleaner thank you very much Mitchellwaterproofing!"
Recommended by100%of homeowners
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Radon Detection and Reduction FAQs, answered by experts

The soil beneath your house is most likely what’s causing an increased level of radon. This is because soil holds radioactivity for a long time and it’s also what most buildings are built on. Another common source of radon is water from a source that hasn’t been through periodic radon tests, such as well water. Over time, the radon from the soil can inhabit other parts of your house like the foundation or plumbing.

The cost for a radon mitigation system typically ranges from $800 to $1,500, with an average around $1,000. The final price depends on several factors, including the size of your home, the severity of the radon issue, and the type of system required. Your home's foundation type also significantly impacts the cost. For example, sealing and ventilating an unfinished basement might cost around $4,600, while encapsulating a crawl space without a foundation slab can range from $1,500 to $15,000.

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 fan that pulls the radon out of the air needs to run continuously, so you may see an increase in your electric bill once you install the mitigation system. Additionally, you may see an increase in your heating or cooling bills, as the fan can cause some loss of hot or cool air.

Radon is the number one non-smoking cause of lung cancer in the United States, but it can cause some other concerning side effects in the meantime. If you have a raspy voice, chest pains, trouble breathing, difficulty swallowing, or any of the above, don’t hesitate to perform radon testing and install a mitigation system as soon as possible.

The Stevenson, AL 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.

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