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*The Angi rating for Radon Detection And Reduction companies in Madison, VA 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 Madison, VA 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 January 12, 2026

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Avatar for Flood Crew LLC
Flood Crew LLC
4.6(
40
)

Serving Madison, VA and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"I am very pleased with the quality work and how quickly my water damage issue resolved. They were extremely professional and knowledgeable and did a great job at keeping me up to date on the progress of the cleanup."
After carpets were cleaned.
Before and after of Medallion
After color sealed
Apartment carpet cleaning
Drying bathroom wood subfloor from kitchen using indirect control heat, controlled by thermostat we set in place

+57

Recommended by88%of homeowners
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Avatar for All States Air Duct Pro
All States Air Duct Pro
3.1(
236
)

Serving Madison, VA and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"We had had a new kitchen put in and then a year later, we had had our kitchen floor redone and basement repaired after a flood in our house.  Water from our washer had flooded the kitchen and laundry room and then flowed through the floor into the basement theater room and rec room.  We had to have a new (porcelain) tile floor put in upstairs and new paint and carpeting throughout the basement.   The work for the new kitchen and then the flood required a huge amount of sanding, spackling and more sanding...etc. The dust in our house was a big problem afterwards from the spackle dust that accumulated  in our ducts.  We decided to have our ducts cleaned and found All States on Angie's list.   It went great!  They were on time, conversant about the state of our ducts.  They did the job.  I have noticed that the air is better in the house and we have much less dust on furniture!  Very happy with their services and I would definitely hire them again.
"
Before & After Air Duct Cleaning
Recommended by49%of homeowners
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Avatar for CIAenterprize.com - 3 Photos - Home Inspector - 1080 carefree lane, Boyce, VA 22620
CIAenterprize.com - 3 Photos - Home Inspector - 1080 carefree lane, Boyce, VA 22620
4.5(
2
)

Serving Madison, VA and surrounding areas

In business since 2020

Free estimates

Credit card accepted

Construction Inspection Agency LLC 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.

Recommended by100%of homeowners
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Radon Detection and Reduction questions, answered by experts

The natural breakdown of uranium in soil, rock, and water can cause radon to appear in a home. The gas seeps into homes through cracks in foundations, walls, or floors, as well as through gaps around pipes or construction joints. Radon levels are influenced by soil composition, building materials, and ventilation. Poorly sealed or airtight homes can trap radon, allowing it to accumulate.

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

Radon detection is crucial as prolonged exposure to radon gas, a leading cause of lung cancer, poses significant health risks in residential environments.

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.

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.

The Madison, VA 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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