Onslow, IA Radon Levels
Check local Onslow radon levels and find certified testing and mitigation professionals to keep your home safe
Onslow, IA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Jones County, IA
Zip Code
52321
Part of the Cedar Rapids metropolitan area in Jones County, Onslow sits over Iowa's characteristic glacial deposits and limestone bedrock that contribute to the state's elevated radon potential. The area's housing reflects typical eastern Iowa construction with most homes featuring full basements where naturally occurring radon gas can accumulate. While specific radon testing data for zip code 52321 is still being compiled, the geological conditions warrant regular radon testing for all area residents.
Onslow, IA 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 Onslow, IA
What EPA Radon Zone is Onslow in?
Onslow and the 52321 zip code are in Jones 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 Onslow?
Radon mitigation in Onslow 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 Onslow?
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.
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