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Somerset, OH Radon Levels

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


Somerset, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Perry County, OH
Zip Code 43783

Located in Perry County southeast of Columbus, Somerset sits in Ohio's Appalachian foothills where sandstone and shale formations typically produce moderate radon levels. While radon testing data is currently limited for this area, the underlying geology and mix of older homes with basements suggest homeowners should test their properties. Testing is particularly important given the variable radon potential across Ohio's southeastern counties.

Somerset, OH Radon Mitigation

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

Need Radon Mitigation or Testing in Somerset?

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Radon FAQ for Somerset, OH

What EPA Radon Zone is Somerset in?
Somerset and the 43783 zip code are in Perry County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Somerset?
Radon mitigation in Somerset 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 Somerset?
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 Ohio

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

CityAvg User Radon LevelSubmissions
Marietta 8.00 pCi/L 5
Cincinnati 5.20 pCi/L 5
Hilliard 11.75 pCi/L 4
Wilmington 5.25 pCi/L 4
Newark 15.00 pCi/L 3
Athens 11.33 pCi/L 3
Findlay 10.33 pCi/L 3
Perrysburg 9.67 pCi/L 3
Powell 8.33 pCi/L 3
Columbus 6.00 pCi/L 3