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      Greencastle, IN Radon Levels

      Check local Greencastle radon levels and find certified testing and mitigation professionals to keep your home safe

      Greencastle, IN Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Putnam County, IN
      Zip Code 46135
      Avg. User Level 7.00 pCi/L
      User Tests 2

      Home to DePauw University in Putnam County, Greencastle shows concerning radon levels with an average of 7.0 pCi/L from limited testing data. This reading significantly exceeds the EPA action level of 4.0 pCi/L, indicating that homes in the 46135 zip code area should prioritize radon testing and mitigation. The community's mix of historic and student housing, combined with local geology, creates conditions where radon accumulation is common.

      7.00
      pCi/L average
      Above EPA Action Level

      Based on 2 user-submitted radon tests for homes in Greencastle, IN. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Greencastle, IN 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 Greencastle?

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      Greencastle, IN Radon Levels

      User-submitted radon test readings from homes in the Greencastle area.

      Radon LevelCityHome AgeFoundation
      6 pCi/L Greencastle, IN 0-20 Years No Basement/All Crawl Space
      8 pCi/L Greencastle, IN 100+ Years Full Basement

      Have a radon test result for Greencastle? Submit your reading to help other homeowners.

      Radon FAQ for Greencastle, IN

      What is the average radon level in Greencastle, IN?
      Based on 2 user-submitted tests, the average radon level in Greencastle is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
      What EPA Radon Zone is Greencastle in?
      Greencastle and the 46135 zip code are in Putnam 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 Greencastle?
      Radon mitigation in Greencastle 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 Greencastle?
      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 Indiana

      Cities in Indiana with the most user-submitted radon test data, ranked by number of submissions.

      CityAvg User Radon LevelSubmissions
      Bloomington 8.14 pCi/L 7
      Kokomo 7.40 pCi/L 5
      Lafayette 15.00 pCi/L 3
      Valparaiso 10.00 pCi/L 3
      Westfield 6.33 pCi/L 3
      Avon 6.00 pCi/L 3
      West Lafayette 10.50 pCi/L 2
      Dyer 9.50 pCi/L 2
      Columbus 7.50 pCi/L 2
      Noblesville 7.00 pCi/L 2

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578 Local: 317-588-3621

      A licensed contractor will contact you immediately.

      * Required