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      Toronto, OH Radon Levels

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

      Toronto, OH Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Jefferson County, OH
      Zip Code 43964
      Avg. User Level 15.00 pCi/L
      User Tests 1

      Toronto in Jefferson County shows extremely high radon levels with a recorded reading of 15.0 pCi/L, nearly four times the EPA action level. This Ohio River community (43964) sits on Pennsylvanian-age shale and sandstone formations that can create significant radon gas production and migration. Immediate professional radon mitigation is strongly recommended for homes showing such elevated readings, particularly given the area's older housing stock with stone and block foundations.

      15.00
      pCi/L average
      Above EPA Action Level

      Based on 1 user-submitted radon test for homes in Toronto, OH. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Toronto, 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 Toronto?

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      Toronto, OH Radon Levels

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

      Radon LevelCityHome AgeFoundation
      15 pCi/L Toronto, OH 100+ Years Partial Basement

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

      Radon FAQ for Toronto, OH

      What is the average radon level in Toronto, OH?
      Based on 1 user-submitted test, the average radon level in Toronto is 15.00 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 Toronto in?
      Toronto and the 43964 zip code are in Jefferson 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 Toronto?
      Radon mitigation in Toronto 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 Toronto?
      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.

      CityAvg User Radon LevelSubmissions
      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

      Free Radon Mitigation Quote

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578 Local: 440-249-4202

      A licensed contractor will contact you immediately.

      * Required