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      Redmond, WA Radon Levels

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

      Redmond, WA Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County King County, WA
      Zip Code 98052
      Avg. User Level 5.00 pCi/L
      User Tests 1

      Part of the Seattle Metro area in King County, Redmond shows an average radon level of 5.0 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. The glacial deposits and till common throughout the Puget Sound region contribute to elevated radon potential in many homes. Residents in zip codes 98052 and 98053 should consider radon mitigation if testing reveals levels above 4.0 pCi/L.

      5.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Redmond, 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 Redmond?

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      Redmond, WA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      5 pCi/L Redmond, WA 0-20 Years Full Basement

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

      Radon FAQ for Redmond, WA

      What is the average radon level in Redmond, WA?
      Based on 1 user-submitted test, the average radon level in Redmond is 5.00 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 Redmond in?
      Redmond and the 98052 zip code are in King 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 Redmond?
      Radon mitigation in Redmond 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 Redmond?
      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: 509-202-4296

      A licensed contractor will contact you immediately.

      * Required