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      East Helena, MT Radon Levels

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

      East Helena, MT Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Lewis and Clark County, MT
      Zip Code 59635
      Avg. User Level 6.00 pCi/L
      User Tests 1

      Situated in Lewis and Clark County near the capital city, East Helena shows an average radon level of 6.0 pCi/L, which exceeds the EPA action threshold of 4.0 pCi/L. This elevated reading in the 59635 area reflects the region's underlying geology of sedimentary formations and granite intrusions common to western Montana valleys. Homes throughout this area should be tested and mitigated as needed.

      6.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      East Helena, MT Radon Mitigation

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

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      East Helena, MT Radon Levels

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

      Radon LevelCityHome AgeFoundation
      6 pCi/L East Helena, MT 0-20 Years Full Basement

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

      Radon FAQ for East Helena, MT

      What is the average radon level in East Helena, MT?
      Based on 1 user-submitted test, the average radon level in East Helena is 6.00 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 East Helena in?
      East Helena and the 59635 zip code are in Lewis and Clark 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 East Helena?
      Radon mitigation in East Helena 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 East Helena?
      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 Montana

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

      CityAvg User Radon LevelSubmissions
      Butte 10.20 pCi/L 10
      Missoula 6.25 pCi/L 8
      Florence 11.67 pCi/L 3
      Bozeman 10.33 pCi/L 3
      Helena 8.67 pCi/L 3
      Stevensville 7.67 pCi/L 3
      Sidney 7.33 pCi/L 3
      Billings 5.33 pCi/L 3
      Miles City 3.33 pCi/L 3
      Kalispell 7.50 pCi/L 2

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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