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*The Angi rating for Radon Detection And Reduction companies in Joliet, MT 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 Joliet, MT 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 June 20, 2026

Find Radon detection and reduction specialists in Joliet

Avatar for Inspection Advantage, LLC
Inspection Advantage, LLC
4.9(
5
)

Serving Joliet, MT and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"Iâ ve had the honor of knowing Ethan Stapp for 20 years and he has done a variety of work for us over the years, from carpentry, plumbing, electrical, and home inspection. His work always exceeds all exceptions in quality and craftsmanship. Ethan is professional, thorough, and knowledgeable. Ethan Stapp and Inspection Advantage is frankly the best."
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+6

Response time4 hrs
Recommended by100%of homeowners
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Kamps Squared Home Inspections, LLC
5.0(
1
)

Serving Joliet, MT and surrounding areas

In business since 2021

Free estimates

Offers commercial services

Kamps Squared Home Inspections, LLC is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations

Response time3 hrs
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Avatar for TCH Builders & Remodeling
TCH Builders & Remodeling
4.0(
2
)

Serving Joliet, MT and surrounding areas

In business since 1999

Emergency services offered

Credit card accepted

If you dream it, we can build it. What's the biggest difference between us and them? We build to last! We offer a full line of Green and Energy Star Certified products, backed by our labor and manufacturer's lifetime transferable warranties. Credit Cards Welcome Financing Available OAC.

Recommended by100%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.

A homeowner can install a radon mitigation system on their own. But it’s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

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.

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 Joliet, MT 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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