Call For A Free Quote: 1-800-299-3578 (toll free)

      Chico, CA Radon Levels

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

      Chico, CA Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County Butte County, CA
      Zip Code 95926
      Avg. User Level 4.00 pCi/L
      User Tests 1

      Located in Butte County in California's Central Valley, Chico sits on alluvial soils and volcanic deposits from the nearby Sierra Nevada foothills. Testing data reveals an average radon level of 4.0 pCi/L, which equals the EPA action threshold and warrants attention from homeowners. The Chico Metro area's housing stock, including both older homes and newer developments, can experience radon accumulation despite California's generally moderate radon potential.

      4.00
      pCi/L average
      Above EPA Action Level

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

      0
      4.0 EPA
      10+

      Chico, CA 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 Chico?

      • 100% Free, No-Obligation Quotes
      • Matches You with State-Licensed Butte County Pros
      1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

      Chico, CA Radon Levels

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

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

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

      Radon FAQ for Chico, CA

      What is the average radon level in Chico, CA?
      Based on 1 user-submitted test, the average radon level in Chico 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 Chico in?
      Chico and the 95926 zip code are in Butte 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 Chico?
      Radon mitigation in Chico 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 Chico?
      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

      Free Radon Mitigation Quote

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

      A licensed contractor will contact you immediately.

      * Required

      Free Radon Mitigation Quote

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

      A licensed contractor will contact you immediately.

      * Required