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      Madera, CA Radon Levels

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

      Madera, CA Radon Facts

      EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
      County Madera County, CA
      Zip Code 93636
      Avg. User Level 3.70 pCi/L
      User Tests 3

      Located in Madera County within the Fresno Metro area, this 93636 community sits in California's Central Valley where alluvial deposits typically produce moderate radon levels. Testing data is currently limited for this area, making individual home assessment important for accurate risk evaluation. Residents should consider professional radon testing to ensure their homes maintain safe indoor air quality standards.

      3.70
      pCi/L average
      Below EPA Action Level

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

      0
      4.0 EPA
      10+

      Madera, CA Radon Mitigation

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

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      Madera, CA Radon Levels

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

      Radon LevelCityHome AgeFoundation
      3 pCi/L Madera, CA 0-20 Years No Basement/All Slab
      4 pCi/L Madera, CA 0-20 Years No Basement/All Slab

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

      Radon FAQ for Madera, CA

      What is the average radon level in Madera, CA?
      Based on 3 user-submitted tests, the average radon level in Madera is 3.70 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.
      What EPA Radon Zone is Madera in?
      Madera and the 93636 zip code are in Madera 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 Madera?
      Radon mitigation in Madera 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 Madera?
      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