Ansonia, OH Radon Levels
Check local Ansonia radon levels and find certified testing and mitigation professionals to keep your home safe
Ansonia, OH Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Darke County, OH
Zip Code
45303
This small community in Darke County sits within Ohio's western glacial plains, where thick till deposits over limestone bedrock create moderate radon conditions across the region. Testing data for zip code 45303 remains sparse, making individual home assessment particularly important for local residents. The area's agricultural landscape and mixed foundation types require professional radon testing to establish accurate exposure levels for each property.
Ansonia, 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 Ansonia?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Darke County Pros
1-800-299-3578
Toll-free · Mon–Fri 8am–6pm ET
Radon FAQ for Ansonia, OH
What EPA Radon Zone is Ansonia in?
Ansonia and the 45303 zip code are in Darke 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 Ansonia?
Radon mitigation in Ansonia 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 Ansonia?
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 |