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Q: How much does a radon mitigation system cost?

• <div><p>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.</p></div>

Q: How much does it cost to replace a radon fan?

• <div><p>The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.</p></div>

Q: How do you prevent radon in your home?

• <div><p>Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. </p><p>Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.</p></div>

Q: What level of radon is considered safe or dangerous?

• <div><p>No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.</p></div>

Q: How is radon gas abatement professionally handled?

• <div><p>Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.</p></div>

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Verified Reviews for Radon Detection And Reduction pros in Castleton, VA

*The Angi rating for Radon Detection And Reduction companies in Castleton, 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 Castleton, 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 March 11, 2026

Reviewed in March 2026
The technician was very knowledgeable and he explained the process and what was going to be done. He also made suggestions about moisture and mold which made me decide to get the violet light, seeing that I live near the lake and the moisture is very high there. Kudos!
Elite Home Services
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Reviewed in June 2025
Alan, Silver, and Stallion know a roof. And water on that roof. I rented an apartment. It flooded from the roof area. The landlord hired J Walkers to fix the problem. They use solid techniques to actually investigate, observe, and test. Only then do they fully repair. Then test again. No...
J Walker's, LLC
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Reviewed in May 2025
Javier Cano performed a thorough inspection both on surface and underneath in attic. The gutter replacement was also part of the job. were also 4 out of 5 companies gave competitive bids but RM Banning also has a A+ rating from the BBB and great reviews. 5 extra sheets were include and any...
R M Banning Roofing
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Reviewed in October 2024
I've had a lot of trees taken down and this by far was the best experience I have ever encountered. Fast, polite, clean. Highly recommend and will use again.
Gonzalez Landscaping & Tree Care
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Reviewed in July 2024
Extremely professional! Performed work when scheduled and in a very timely manner. The tree removal process was precise and the cleanup was exceptional! Would definitely recommend! Super friendly owner!!
Woodward Yard and Home Services
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Reviewed in June 2024
Roofing job was done very well and I am extremely satisfied with the product. Project Manager (Leonard) went above and beyond to ensure I was happy.
Home Genius Exteriors
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Reviewed in October 2022
Excellent service! They were able to come out the day I called to evaluate our well that evening. They were able to a**** the problem and detect exactly what the root cause instead of masking it with a water filtration system as another professional had recommended. Dexter's plumbing went above...
Dexter Wells & Plumbing, LLC
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Reviewed in July 2022
The company performed a gutter tuneup and cleaning and attic inspection. Excellent work. The technician was extremely knowledgeable and explained everything he was doing. He took pictures before and after the work was completed.
American Home Contractors, Inc. - Virginia
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Reviewed in April 2021
My service technician Andrew, Ultimate Powerwash, was efficient, courteous and respectful of my property, plants and shrubs. The price was fair and reasonable. The service was excellent. I would refer this company without hesitation.
Ultimate Powerwash
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Reviewed in June 2020
Of the 3 companies referred, Waltz Painting was the only one to contact me, and the call was within 5 minutes of my online contact with them. The work was done in 2 days. While I had to review the work and ask for some parts of the work to be done again, the painting had no problem doing that...
Waltz painting
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Find Radon detection and reduction specialists in Castleton

TOPS RADON

5.0(

)

Serving Castleton, VA and surrounding areas

Approved

In business since 2025

Free estimates

Offers commercial services

"Our radon system had become inoperable. Tops was able to repair the system and getting everything up and running quickly and efficiently. I highly recommend Tops!"

Response time2 days

1 neighbors recently requested a quote

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Clatterbuck Home Inspections, LLC

New to Angi

Serving Castleton, VA and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

Home Inspections

Response time10 hrs

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Valley Radon Solutions, LLC

5.0(

)

Serving Castleton, VA and surrounding areas

In business since 2021

Free estimates

"He did a really good job! I would not hesitate to recommend him to anyone. He is also kind and does a good work."

Recommended by100%of homeowners

Serving Castleton, 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."

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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All States Air Duct Pro

3.1(

236

)

Serving Castleton, VA and surrounding areas

In business since 1995

Free estimates

Emergency services offered

"o.k. Wasn't impressed
"

Recommended by49%of homeowners

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CIAenterprize.com - 3 Photos - Home Inspector - 1080 carefree lane, Boyce, VA 22620

4.5(

)

Serving Castleton, VA and surrounding areas

In business since 2020

Free estimates

Credit card accepted

"The company personnel conducted themselves in a very professional manner and provided detail explanations to questions I had. Would definitely use them again for my next project."

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.

The cost to replace a radon fan ranges from $300 to $600 for the fan itself, with installation adding an additional $200 to $500. Overall, the total cost for replacement can range from $500 to $1,100, depending on factors such as the fan model, home size, and local labor rates. If the fan is part of a larger radon mitigation system, the price may be higher.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter.

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

Abatement includes sealing entry points and venting with systems that reduce radon levels below recommended EPA limits. It is handled by certified professionals.

The Castleton, 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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