Delaware, OH Radon Levels
Check local Delaware radon levels and find certified testing and mitigation professionals to keep your home safe
Delaware, OH Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Delaware County, OH
Zip Code
43015
Situated in Delaware County within the Columbus Metro area, Delaware lies in EPA Zone 1 where elevated radon readings are common throughout central Ohio. The region's glacial till over sedimentary bedrock creates geological conditions that favor radon accumulation in residential foundations. Though specific testing data for zip code 43015 remains limited, homeowners in this growing suburban community should test their homes, especially those with the full basements typical of Ohio construction.
Delaware, 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 Delaware, OH
What EPA Radon Zone is Delaware in?
Delaware and the 43015 zip code are in Delaware 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 Delaware?
Radon mitigation in Delaware 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 Delaware?
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 |