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*The Angi rating for Radon Detection And Reduction companies in Le Mars, IA 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 Le Mars, IA 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 September 11, 2026

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

Avatar for Iowa Radon Defense Northwest
Iowa Radon Defense Northwest
4.7(
54
)
Radon Gas - AbatementRadon Gas - Testing

Serving Le Mars, IA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"National Radon Defense Midwest employees were very knowledgeable and helpful. As we were selling our house we discovered that we had high radon readings and needed to mitigate the problem. They explained to us the process and clearly identified what they would recommend to resolve the issue. We thought it was very reasonably priced and feel confident intheir products, staff and installation"
Interior Exhaust Fan
Crawlspace Encapsulation with Radon Mitigation
Exterior Exhaust Fan and Discharge
Exterior Exhaust Fan with Cover
Roof Penetration Discharge Pipe with Roof Boot

+23

Response time1 day
22 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for SWAT Environmental, Inc.
SWAT Environmental, Inc.
4.5(
13
)
Radon Gas - Abatement

Serving Le Mars, IA and surrounding areas

In business since 1988

Free estimates

Credit card accepted

"They did a great job with the installation and made sure the Radon was under the level it needed to be. He had to make a couple of trips to make that happen but was very polite and profession through the whole process."
Response time1 day
Recommended by100%of homeowners
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Professional House Doctors
New to Angi
Radon Gas - Abatement

Serving Le Mars, IA and surrounding areas

In business since 2006

Free estimates

Credit card accepted

We pride ourselves in providing quality work for all of our customers. Your safety in your home or office is forefront in our minds when we work. We have built several relationships with local business and homeowners that we know will last a lifetime. When looking for a company that can give you peace of mind when working or living in your space look no further then Professional House Doctor.

Response time1 day
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Radon Detection and Reduction FAQs, answered by experts

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

While DIY testing is possible, abatement generally requires professional installation to ensure efficacy and meet safety standards.

If your home has a sump pit, you can integrate it with a radon mitigation system. You can accomplish this by sealing the pump cover with an airtight lid that accommodates radon vent pipes and sump pump hoses. This allows the vent pipe to redirect the radon gas outside of 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.

Use a radon test kit or hire professionals to conduct a detailed assessment of radon levels in your home.

The Le Mars, IA 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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