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      Davis, CA Radon Levels

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

      Davis, CA Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County Yolo County, CA
      Zip Code 95616
      Avg. User Level 8.00 pCi/L
      User Tests 2

      Home to UC Davis and located in Yolo County, this Sacramento Metro community has recorded an average radon level of 8.0 pCi/L, which significantly exceeds the EPA action threshold and requires immediate attention. The area's Great Valley geology features alluvial deposits over marine sedimentary rocks that can contain uranium-bearing formations. Residents across zip codes 95616 and 95618 should prioritize radon testing and mitigation, especially in homes with basements or ground-contact living spaces.

      8.00
      pCi/L average
      Above EPA Action Level

      Based on 2 user-submitted radon tests for homes in Davis, CA. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Davis, CA Radon Mitigation

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

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      Davis, CA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      7 pCi/L Davis, CA 21-50 Years No Basement/All Slab
      9 pCi/L Davis, CA 21-50 Years No Basement/All Slab

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

      Radon FAQ for Davis, CA

      What is the average radon level in Davis, CA?
      Based on 2 user-submitted tests, the average radon level in Davis 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 Davis in?
      Davis and the 95616 zip code are in Yolo 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 Davis?
      Radon mitigation in Davis 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 Davis?
      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 California

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

      CityAvg User Radon LevelSubmissions
      Los Angeles 7.83 pCi/L 6
      Mammoth Lakes 10.80 pCi/L 5
      San Jose 4.20 pCi/L 5
      Rancho Palos Verdes 8.00 pCi/L 4
      Bishop 6.25 pCi/L 4
      Oakland 5.00 pCi/L 4
      Woodland Hills 7.67 pCi/L 3
      South Lake Tahoe 6.33 pCi/L 3
      Palos Verdes Peninsula 6.00 pCi/L 3
      Sacramento 4.33 pCi/L 3

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578

      A licensed contractor will contact you immediately.

      * Required