Saint Marys, OH Radon Levels
Check local Saint Marys radon levels and find certified testing and mitigation professionals to keep your home safe
Saint Marys, OH Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Auglaize County, OH
Zip Code
45885
Positioned in Auglaize County within Ohio's EPA Zone 1, Saint Marys faces elevated radon potential due to the region's glacial deposits over limestone bedrock. The 45885 zip code area lacks comprehensive testing data, making individual home assessment critical for residents. Ohio's geological conditions can produce highly variable radon levels, even between neighboring properties.
Saint Marys, 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 Saint Marys?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Auglaize County Pros
1-800-299-3578
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Radon FAQ for Saint Marys, OH
What EPA Radon Zone is Saint Marys in?
Saint Marys and the 45885 zip code are in Auglaize 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 Saint Marys?
Radon mitigation in Saint Marys 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 Saint Marys?
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 |