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Troy, OH Radon Levels

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


Troy, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Miami County, OH
Zip Code 45373
Avg. User Level 10.50 pCi/L
User Tests 2

Found in west-central Ohio's Miami County near Dayton, Troy demonstrates significantly elevated radon levels averaging 10.5 pCi/L, well above the EPA action level. The area's limestone bedrock and glacial till deposits create conditions highly conducive to radon accumulation, making prompt testing and mitigation critical for all residents.

10.50
pCi/L average
Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Troy, OH. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Troy, OH Radon Mitigation

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

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Troy, OH Radon Levels

User-submitted radon test readings from homes in the Troy area.

Radon LevelCityHome AgeFoundation
9 pCi/L Troy, OH 21-50 Years
12 pCi/L Troy, OH 0-20 Years Full Basement

Have a radon test result for Troy? Submit your reading to help other homeowners.

Radon FAQ for Troy, OH

What is the average radon level in Troy, OH?
Based on 2 user-submitted tests, the average radon level in Troy is 10.50 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Troy in?
Troy and the 45373 zip code are in Miami 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 Troy?
Radon mitigation in Troy 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 Troy?
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