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      Williston, VT Radon Levels

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

      Williston, VT Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County Chittenden County, VT
      Zip Code 05495
      Avg. User Level 18.00 pCi/L
      User Tests 1

      Nestled in Chittenden County within Vermont's Champlain Valley, Williston sits on glacial lake sediments that can contribute to elevated indoor radon levels. Local testing has recorded an average reading of 18.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. Given the region's geological conditions and the town's mix of newer suburban homes with full basements, all Williston residents should prioritize professional radon testing.

      18.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Williston, VT 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 Williston?

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      Williston, VT Radon Levels

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

      Radon LevelCityHome AgeFoundation
      18 pCi/L Williston, VT 0-20 Years Full Basement

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

      Radon FAQ for Williston, VT

      What is the average radon level in Williston, VT?
      Based on 1 user-submitted test, the average radon level in Williston is 18.00 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 Williston in?
      Williston and the 05495 zip code are in Chittenden 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 Williston?
      Radon mitigation in Williston 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 Williston?
      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