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      Grand Isle, VT Radon Levels

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

      Grand Isle, VT Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County Grand Isle County, VT
      Zip Code 05458
      Avg. User Level 7.00 pCi/L
      User Tests 1

      Situated on an island in Lake Champlain, this Grand Isle County community shows an average radon level of 7.0 pCi/L, well above the EPA action threshold. The area's glacial clay soils and seasonal cottage construction within the Burlington Metro area create conditions where radon can accumulate significantly in enclosed spaces.

      7.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Grand Isle, VT Radon Mitigation

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

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      Grand Isle, VT Radon Levels

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

      Radon LevelCityHome AgeFoundation
      7 pCi/L Grand Isle, VT 21-50 Years Full Basement

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

      Radon FAQ for Grand Isle, VT

      What is the average radon level in Grand Isle, VT?
      Based on 1 user-submitted test, the average radon level in Grand Isle 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 Grand Isle in?
      Grand Isle and the 05458 zip code are in Grand Isle County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
      How much does radon mitigation cost in Grand Isle?
      Radon mitigation in Grand Isle 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 Grand Isle?
      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 Vermont

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

      CityAvg User Radon LevelSubmissions
      Stowe 13.00 pCi/L 2
      Wilmington 8.50 pCi/L 2

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578 Local: 802-221-4448

      A licensed contractor will contact you immediately.

      * Required