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      Tucson, AZ Radon Levels

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

      Tucson, AZ Radon Facts

      EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
      County Pima County, AZ
      Zip Code 85701
      Avg. User Level 5.30 pCi/L
      User Tests 4

      Nestled in the Sonoran Desert basin, Tucson in Pima County shows an average radon level of 5.25 pCi/L based on local testing data, which exceeds the EPA action threshold of 4.0 pCi/L. The city's diverse housing stock ranges from mid-century ranch homes to modern desert developments, many built on alluvial soils over granite and volcanic bedrock that can contribute to elevated indoor radon levels.

      5.30
      pCi/L average
      Above EPA Action Level

      Based on 4 user-submitted radon tests for homes in Tucson, AZ. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Tucson, AZ Radon Mitigation

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

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      Tucson, AZ Radon Levels

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

      Radon LevelCityHome AgeFoundation
      4 pCi/L Tucson, AZ 21-50 Years No Basement/All Slab
      3 pCi/L Tucson, AZ — No Basement/All Slab
      7 pCi/L Tucson, AZ 21-50 Years Partial Basement

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

      Radon FAQ for Tucson, AZ

      What is the average radon level in Tucson, AZ?
      Based on 4 user-submitted tests, the average radon level in Tucson is 5.30 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 Tucson in?
      Tucson and the 85701 zip code are in Pima 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 Tucson?
      Radon mitigation in Tucson 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 Tucson?
      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 Arizona

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

      CityAvg User Radon LevelSubmissions
      Prescott 6.79 pCi/L 14
      Scottsdale 7.75 pCi/L 12
      Phoenix 5.40 pCi/L 10
      Mesa 6.40 pCi/L 5
      Flagstaff 6.00 pCi/L 5
      Tucson 5.25 pCi/L 4
      Payson 6.67 pCi/L 3
      Glendale 6.50 pCi/L 2
      Peoria 3.00 pCi/L 2
      Prescott Valley 4.00 pCi/L 1

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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