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      Washougal, WA Radon Levels

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

      Washougal, WA Radon Facts

      EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
      County Clark County, WA
      Zip Code 98671
      Avg. User Level 8.00 pCi/L
      User Tests 1

      Set in Clark County within the Portland Metro area, this Washington community shows an average radon level of 8.0 pCi/L based on initial testing data. This reading significantly exceeds the EPA action level, indicating residents in zip code 98671 should prioritize radon testing and mitigation. The area sits on Columbia River basalt formations that can trap radon gas in homes with basement or crawl space foundations.

      8.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Washougal, 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 Washougal?

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      Washougal, WA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      8 pCi/L Washougal, WA 21-50 Years No Basement/All Slab

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

      Radon FAQ for Washougal, WA

      What is the average radon level in Washougal, WA?
      Based on 1 user-submitted test, the average radon level in Washougal is 8.00 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 Washougal in?
      Washougal and the 98671 zip code are in 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 Washougal?
      Radon mitigation in Washougal 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 Washougal?
      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

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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