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      Poway, CA Radon Levels

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

      Poway, CA Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County San Diego County, CA
      Zip Code 92064
      Avg. User Level 7.70 pCi/L
      User Tests 3

      Located in inland San Diego County within the San Diego Metro area, Poway shows elevated radon levels with an average reading of 7.67 pCi/L, exceeding the EPA action level. The city's position on granite bedrock and decomposed granite soils contributes to these higher-than-expected readings for Southern California. Residents of zip code 92064 should prioritize radon testing and mitigation, particularly in homes with basements or built into hillsides.

      7.70
      pCi/L average
      Above EPA Action Level

      Based on 3 user-submitted radon tests for homes in Poway, CA. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Poway, CA Radon Mitigation

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

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      Poway, CA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      15 pCi/L Poway, CA 21-50 Years Partial Basement
      3 pCi/L Poway, CA 21-50 Years No Basement/All Slab
      5 pCi/L Poway, CA 0-20 Years Partial Basement

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

      Radon FAQ for Poway, CA

      What is the average radon level in Poway, CA?
      Based on 3 user-submitted tests, the average radon level in Poway is 7.70 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 Poway in?
      Poway and the 92064 zip code are in San Diego 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 Poway?
      Radon mitigation in Poway 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 Poway?
      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