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      Ketchum, ID Radon Levels

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

      Ketchum, ID Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Blaine County, ID
      Zip Code 83340
      Avg. User Level 14.50 pCi/L
      User Tests 2

      High in Idaho's Blaine County mountains, Ketchum sits on granite and volcanic geology that creates significant radon potential in this resort community. Local testing reveals an average level of 14.5 pCi/L, substantially exceeding the EPA action threshold and indicating most homes would benefit from radon mitigation systems. The area's high-elevation setting, granite bedrock, and typical basement construction combine to create conditions highly favorable for radon accumulation.

      14.50
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Ketchum, ID Radon Mitigation

      Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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      Ketchum, ID Radon Levels

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

      Radon LevelCityHome AgeFoundation
      14 pCi/L Ketchum, ID 51-99 Years Partial Basement
      15 pCi/L Ketchum, ID 21-50 Years Full Basement

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

      Radon FAQ for Ketchum, ID

      What is the average radon level in Ketchum, ID?
      Based on 2 user-submitted tests, the average radon level in Ketchum is 14.50 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 Ketchum in?
      Ketchum and the 83340 zip code are in Blaine 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 Ketchum?
      Radon mitigation in Ketchum 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 Ketchum?
      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 Idaho

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

      CityAvg User Radon LevelSubmissions
      Idaho Falls 7.29 pCi/L 7
      Hailey 7.83 pCi/L 6
      Post Falls 9.00 pCi/L 5
      Coeur D Alene 9.00 pCi/L 4
      Moscow 7.75 pCi/L 4
      Victor 6.67 pCi/L 3
      Driggs 16.00 pCi/L 2
      Hayden 8.50 pCi/L 2
      Pocatello 8.50 pCi/L 2
      Eagle 6.00 pCi/L 1

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578

      A licensed contractor will contact you immediately.

      * Required