*The Angi rating for Radon Detection And Reduction companies in Stewartsville, MO 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 Stewartsville, MO 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 February 08, 2026
Serving Stewartsville, MO and surrounding areas
In business since 1988
Free estimates
Credit card accepted
"Overall everything was pretty good. I felt the installation could have looked much cleaner but it is fine. I still haven't re tested to see what my radon levels are now."
Serving Stewartsville, MO and surrounding areas
In business since 2016
Free estimates
Credit card accepted
"I tested it after the mitigation and it was much lower and safer than the government requirement. Great quality and I would recommend them."
+13
Serving Stewartsville, MO and surrounding areas
In business since 1988
Free estimates
Credit card accepted
SWAT Environmental has keeping homeowners safe from Radon Gas since 1988. We are the nation's largest Radon Mitigation company but we are local operated and give each customer personal, high class service! Installing over 150,000 mitigation systems, SWAT is the industry leader in Radon Awareness and Mitigation. Call us today to schedule your radon mitigation system installation for less than the cost of most major home appliances!
Serving Stewartsville, MO and surrounding areas
In business since 2025
Free estimates
Emergency services offered
We test for several different hazardous materials and gas. We also off mold & mildew surface removal and cleaning with environmental friendly cleaners. We do offer free quotes and consulting on remedies for issues to your home or business.
Serving Stewartsville, MO and surrounding areas
In business since 2008
Free estimates
A-Midstates Property Inspection is a local and family owned business and has been bringing a safer home to your community since 2008. We specialize in making sure your new home or existing home is safe and sound!
From average costs to expert advice, get all the answers you need to get your job done.
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.
