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*The Angi rating for Radon Detection And Reduction companies in Guernsey, WY 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 Guernsey, WY 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 November 05, 2025

Find Radon detection and reduction specialists in Guernsey

Avatar for North Point Radon
North Point Radon
5.0(
21
)
Radon Gas - Abatement

Serving Guernsey, WY and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"BIG shout out to North Point Radon! We had to re-do some radon mitigation on the house so we could start working on framing in the basement and they came in and did an incredible job. The pressure from the pump (or however you say it) went up from 1.1 to 1.25, so they filled in a bunch of spaces that weren't sealed up properly and cleaned everything up so our contractor can start framing. No big chunks of puffy foam - everything is sealed cleanly and nice and tight now (obvious from the reading on the pressure). Fast, affordable, effective, and we retested the basement and it came at less than 1%. Seriously good people. I would call them if you need any radon stuff (testing, mitigation, etc.) taken care of."
ERV and Mitigation
ERV and Mitigation
ERV and Mitigation
ERV and Mitigation
1920s ERV

+2

5 neighbors recently requested a quote
Recommended by75%of homeowners
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Avatar for Blackburn Foundation Repair, LLC
Blackburn Foundation Repair, LLC
4.6(
23
)
Radon Gas - AbatementRadon Gas - Testing

Serving Guernsey, WY and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

Blackburn Foundation Repair has been providing the best in basement waterproofing, crawl space and foundation repair, concrete leveling, and radon mitigation in South Dakota, and Eastern Wy, since 1992. We offer a variety of solutions for the multitude of issues that result from below grade construction throughout South Dakota. Thousands of homes, businesses and government agencies have been serviced by our trained professional installers throughout South Dakota, and Eastern Wy. We are proud to say we have over 900 reviews with 4.8 stars!

Crawl Space Repair
Crawl Space Repair
Response time1 day
97 neighbors recently requested a quote
Recommended by80%of homeowners
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Radon Detection and Reduction questions, answered by experts

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.

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.

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

Radon is present almost everywhere but, like sunlight, the concentration levels and how often you are exposed to it have a large part to play in just how dangerous it is. There are levels of radon that are acceptable inside a house, but above a certain limit, radon becomes a serious radioactive hazard that is a known cause of lung cancer. In fact, radon exposure is the number two leading cause of lung cancer (after smoking).

Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.

The Guernsey, WY 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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