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Sonoita, AZ Radon Levels

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


Sonoita, AZ Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Pima County, AZ
Zip Code 85637

High-desert Sonoita in Pima County sits at elevation southeast of Tucson where volcanic and granitic rocks can occasionally produce moderate radon levels. Testing data for this wine country community remains limited, making individual property assessment important for residents. Despite Arizona's generally lower radon risk, the area's higher elevation and varied geology warrant homeowner testing, particularly in homes with below-grade spaces.

Sonoita, AZ Radon Mitigation

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

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Radon FAQ for Sonoita, AZ

What EPA Radon Zone is Sonoita in?
Sonoita and the 85637 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 Sonoita?
Radon mitigation in Sonoita 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 Sonoita?
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