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      San Leandro, CA Radon Levels

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

      San Leandro, CA Radon Facts

      EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
      County Alameda County, CA
      Zip Code 94577
      Avg. User Level 4.00 pCi/L
      User Tests 1

      Positioned in Alameda County along the eastern shore of San Francisco Bay, San Leandro sits on bay mud sediments over marine formations. Testing data from zip code 94577 shows an average radon level of 4.0 pCi/L, which meets the EPA action threshold and warrants attention from homeowners. The community's mix of mid-century tract homes and newer developments may experience varying radon entry patterns through foundation slabs and crawl spaces.

      4.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      San Leandro, CA Radon Mitigation

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

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      San Leandro, CA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      4 pCi/L San Leandro, CA 51-99 Years No Basement/All Crawl Space

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

      Radon FAQ for San Leandro, CA

      What is the average radon level in San Leandro, CA?
      Based on 1 user-submitted test, the average radon level in San Leandro is 4.00 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 San Leandro in?
      San Leandro and the 94577 zip code are in Alameda 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 San Leandro?
      Radon mitigation in San Leandro 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 San Leandro?
      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