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      Appleton, WA Radon Levels

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

      Appleton, WA Radon Facts

      EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
      County Klickitat County, WA
      Zip Code 98602
      Avg. User Level 13.00 pCi/L
      User Tests 1

      Positioned in Klickitat County along the Columbia River Gorge, Appleton has recorded an average radon level of 13.0 pCi/L, which significantly exceeds the EPA's 4.0 pCi/L action threshold. This elevated reading reflects the area's volcanic bedrock and unique geological conditions that can trap radon gas. Homeowners in the 98602 zip code should prioritize professional radon testing and mitigation given these concerning levels.

      13.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Appleton, WA 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 Appleton?

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      Appleton, WA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      13 pCi/L Appleton, WA 0-20 Years Full Basement

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

      Radon FAQ for Appleton, WA

      What is the average radon level in Appleton, WA?
      Based on 1 user-submitted test, the average radon level in Appleton is 13.00 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 Appleton in?
      Appleton and the 98602 zip code are in Klickitat County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
      How much does radon mitigation cost in Appleton?
      Radon mitigation in Appleton 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 Appleton?
      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 Washington

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

      CityAvg User Radon LevelSubmissions
      Vancouver 6.56 pCi/L 9
      Kent 3.50 pCi/L 6
      Olympia 7.00 pCi/L 5
      Seattle 5.25 pCi/L 4
      Bellevue 3.75 pCi/L 4
      Spokane 11.67 pCi/L 3
      Camas 8.00 pCi/L 3
      Centralia 7.00 pCi/L 3
      Bellingham 4.50 pCi/L 2
      Kirkland 4.50 pCi/L 2

      Free Radon Mitigation Quote

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578 Local: 360-831-0481

      A licensed contractor will contact you immediately.

      * Required