Positioned in Warren County south of Des Moines, Carlisle lies within Iowa's glacial till region where underlying limestone bedrock creates high radon potential throughout the metro area. Limited testing data means residents in zip code 50047 should prioritize home testing, especially given the area's geological predisposition for elevated radon levels.
Carlisle, IA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Carlisle, IA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Carlisle Radon Facts
Key details about the radon risk profile for Carlisle and the 50047 zip code area.
EPA Radon Zone
Zone 1 — High Risk
County
Warren County, IA
Zip Code
50047
Predicted Screening Level
> 4.0 pCi/L (Zone 1)
Carlisle and the 50047 zip code are located in Warren County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Carlisle, IA
What EPA Radon Zone is Carlisle in?
Carlisle and the 50047 zip code are in Warren 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 Carlisle?
Radon mitigation in Carlisle 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 Carlisle?
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 Iowa
Cities with the most user-submitted radon test data in the state.
