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Verified Reviews for Radon Detection And Reduction pros in New Underwood, SD

*The Angi rating for Radon Detection And Reduction companies in New Underwood, SD 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 New Underwood, SD 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 April 22, 2026

Find Radon detection and reduction specialists in New Underwood

Avatar for ALO Radon
ALO Radon
4.9(
29
)
Radon Gas - AbatementRadon Gas - Testing

Serving New Underwood, SD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Anthony with ALO Radon came out and did a CRM radon test for us. He was very knowledgable about radon and patient enough to answer all my questions. I recommend these guys to anyone needing radon work done. Why is there no RADON category? I will have to file this under HOME INSPECTION I guess."
Our Work
Our Work
Our Work
Our Work
Our Work

+13

Response time3 hrs
Response rate94%
1 neighbors recently requested a quote
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Avatar for Rapid Radon Removal
Rapid Radon Removal
5.0(
2
)
Radon Gas - AbatementRadon Gas - Testing

Serving New Underwood, SD and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Jeff is very knowledgeable and thorough about radon removal. He is highly qualified in radon mitigation and has extensive experience with construction. Very personable, considerate, and responsive. I highly recommend him and will do so for all my friends."
Response time6 days
Recommended by100%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 New Underwood, SD 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
98 neighbors recently requested a quote
Recommended by80%of homeowners
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Avatar for Black Hills Radon
Black Hills Radon
New to Angi
Radon Gas - AbatementRadon Gas - Testing

Serving New Underwood, SD and surrounding areas

Approved

In business since 2022

Free estimates

Black Hills Radon is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

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Radon Detection and Reduction questions, answered by experts

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.

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

Mitigation reduces radon levels, protecting your health and complying with safety standards.

Your radon fan needs to operate 24/7 to be effective. The only time the fan isn't operating is during its replacement. Radon levels in the home can increase within hours if the fan stops working or something obstructs the stack vent. Fortunately, radon systems require no downtime maintenance between fan changes.

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

The New Underwood, SD 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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