Sells, AZ Radon Levels
Check local Sells radon levels and find certified testing and mitigation professionals to keep your home safe
Sells, AZ Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Pima County, AZ
Zip Code
85634
Located in Pima County on the Tohono O'odham Nation, Sells sits in Arizona's Sonoran Desert where volcanic and sedimentary bedrock typically produces moderate radon levels. Testing data for the 85634 zip code remains limited, though the arid climate and prevalent slab-on-grade construction generally result in lower indoor radon accumulation. Desert soils and minimal precipitation reduce radon transport compared to wetter climates.
Sells, AZ 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 Sells?
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Radon FAQ for Sells, AZ
What EPA Radon Zone is Sells in?
Sells and the 85634 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 Sells?
Radon mitigation in Sells 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 Sells?
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.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| 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 |