Alledonia, OH Radon Levels

Q: What EPA Radon Zone is Alledonia in?

Alledonia is in Belmont County, EPA Zone 1.

Q: How much does radon mitigation cost in Alledonia?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Alledonia, OH Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Belmont County, OH

Zip Code 43902

Located in Belmont County in southeastern Ohio's coal mining region, Alledonia sits over Pennsylvanian-era shale and coal deposits that can contribute to elevated radon levels. The community's housing stock reflects both historic mining-era construction and newer development, with many homes featuring full or partial basements in zip code 43902. Given Ohio's designation as a Zone 1 (high radon potential) state and limited local testing data, homeowners should prioritize radon testing to ensure safe indoor air quality.

Alledonia, OH 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 Alledonia, OH

What EPA Radon Zone is Alledonia in?

Alledonia and the 43902 zip code are in Belmont 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 Alledonia?

Radon mitigation in Alledonia 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 Alledonia?

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.

City	Avg User Radon Level	Submissions
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