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Martinsville, IN Radon Levels

Check local Martinsville radon levels and find certified testing and mitigation professionals to keep your home safe


Martinsville, IN Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Morgan County, IN
Zip Code 46151

Located in Morgan County southwest of Indianapolis, Martinsville sits atop Indiana's glacial till deposits over limestone bedrock that can contribute to radon accumulation. Testing data for this area remains limited, making individual home testing essential for residents. The mix of older homes with basements and newer construction throughout the 46151 zip code area means radon levels can vary significantly from house to house.

Martinsville, IN Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Radon FAQ for Martinsville, IN

What EPA Radon Zone is Martinsville in?
Martinsville and the 46151 zip code are in Morgan County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Martinsville?
Radon mitigation in Martinsville typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Martinsville?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Indiana

Cities in Indiana with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Bloomington 8.14 pCi/L 7
Kokomo 7.40 pCi/L 5
Lafayette 15.00 pCi/L 3
Valparaiso 10.00 pCi/L 3
Westfield 6.33 pCi/L 3
Avon 6.00 pCi/L 3
West Lafayette 10.50 pCi/L 2
Dyer 9.50 pCi/L 2
Columbus 7.50 pCi/L 2
Noblesville 7.00 pCi/L 2