Top 10 Best Radon detection and reduction specialists in Clarksville, MO

Q: How does radon enter my home?

• <div><p>Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.</p></div>

Q: How often should radon levels be tested to ensure safety?

• <div><p>Testing every 2-5 years or upon adjusting occupancy or structural changes maintains safe environments.</p></div>

Q: What if radon is still high after mitigation?

• <div><p>You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.</p></div>

Q: How long does radon mitigation take?

• <div><p>Installation typically takes 1-2 days, depending on the system and property layout.</p></div>

Q: What is the biggest source of radon?

• <div><p>The soil beneath your house is most likely what&rsquo;s causing an increased level of radon. This is because soil holds radioactivity for a long time and it&rsquo;s also what most buildings are built on. Another common source of radon is water from a source that hasn&rsquo;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.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Clarksville, MO

*The Angi rating for Radon Detection And Reduction companies in Clarksville, 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 Clarksville, 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 June 06, 2026

Reviewed in June 2026
They are the very best people in the world. I have five dogs and my house is spotless when they leave I would recommend them to everybody Tiffany and her workers are the sweetest people ever. I am proud to have met them, but I am moving down to Saint Charles to take care of my mother and thank...
Divine Cleaning & Services LLC
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Reviewed in May 2026
Needed a sub panel and my entire garage wired(7 120 outlets, 2 240 outlets, and a floodlight put in). They showed up gave a quick run threw and they knocked it out Whole process was quick and easy. Great work at a great price! Would definitely recommend!
Solarize
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Reviewed in December 2025
In reference to CCC Contracting I CAN REPORT that above all this young man is pleasant and knowledgeable to discuss details about his business and goals to succeed as a growing young company. Making our needs priority and offering thoughts and or suggestions if needed. Very professional and Able...
CCC Contracting L.L.C.
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Reviewed in December 2025
Petey was super quick to respond to my post. He came out to do the estimate quickly and got the job done a few days later as requested. His price was super fair and he and his partner were absolutely fantastic and the job was done perfectly. I will definitely be calling on them again when it...
S and S Drywall Plaster Paint
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Reviewed in January 2025
I recently hired Eversafe Restoration for mold remediation, and I couldn’t be happier with the results. From start to finish, their team was professional, knowledgeable, and efficient. They thoroughly inspected my home, identified the affected areas, and explained the entire process in detail....
Eversafe Restoration
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Reviewed in October 2023
Missouri Docks & Decks are an exceptional deck building company. They have a quality product and service and communicate with you every step of the way from their free estimate to material costs and realistic timelines. You are in great hands with them and I highly recommend them!
MO Docks, LLC
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Reviewed in August 2023
Today heating and air did a top notch job. They showed up on time and finished the project quickly and professionally. They were great to work with and very knowledgeable. I really appreciate their help and now use them for all my heating and air projects.
Today Heating and Air, LLC
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Reviewed in August 2022
I put a search out on Angi’s List after rain had flooded my basement. Foundation recovery system was the first to call the next morning with an appointment that day. They come out and give me a bid and a solution and then got me in for the next Friday. It was so fast, the inspector, Pat was...
Foundation Recovery Systems
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Reviewed in May 2022
Fantastic job. Quick and efficient!
Ambassador Plumbing L.L.C
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Reviewed in March 2022
Very quick to respond and install a new garage door. Will continue to recommend to family and friends
Troy Overhead Doors, LLC
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Find Radon detection and reduction specialists in Clarksville

Quacker's Waterproofing & Basement Repair, LLC

4.7(

167

)

Serving Clarksville, MO and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Everything went well. The repaired cracks have not leaked during recent storms. In addition, the radon test results after

the mitigation system was installed showed it is working and the radon in our basement is now at a very low level."

9 neighbors recently requested a quote

Recommended by97%of homeowners

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Metro Radon Control of St. Louis, LLC

4.9(

171

)

Serving Clarksville, MO and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"He was very professional and courteous. He brought a radon gas monitor in my home to test radon levels and he said that everything was okay. And I didn’t have a problem with radon."

Response time6 hrs

Recommended by99%of homeowners

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SWAT Environmental, Inc.

4.5(

)

Serving Clarksville, 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."

Recommended by97%of homeowners

Serving Clarksville, MO and surrounding areas

In business since 2017

Free estimates

Emergency services offered

We take great pride our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!\n

Response time1 day

Response rate90%

Recommended by100%of homeowners

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AAA Environmental & General Contracting

New to Angi

Serving Clarksville, MO and surrounding areas

In business since 1980

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

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S & J Home Inspections - Home Facebook

New to Angi

Serving Clarksville, MO and surrounding areas

In business since 2011

Free estimates

At Amerispec Home Inspections, we are your premiere source for general home inspections. Our company offers the finest in efficiency and quality. When it comes to professionalism and customer service, we are unmatched in the region. For the best of the best, call today for your next inspection!

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Radon Detection and Reduction questions, answered by experts

Radon enters your home when warm air begins to rise and exits through the roof, creating a vacuum that pulls cooler air from under the foundation. Part of that air is radon, which is an invisible, odorless gas that develops naturally when radioactive particles are deep within the ground. Those particles usually come from decaying matter in soil and rocks.

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

You'll need to test your home for radon after installing the mitigation system, then again every two years. If radon remains elevated, contact a licensed radon professional, either the contractor who installed the system or a different one, and have them evaluate the system. They may need to make some changes to improve its effectiveness and performance.

Installation typically takes 1-2 days, depending on the system and property layout.

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 Clarksville, MO 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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