Duncan, AZ Radon Levels
Check local Duncan radon levels and find certified testing and mitigation professionals to keep your home safe
Duncan, AZ Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Greenlee County, AZ
Zip Code
85534
Remote Duncan in Greenlee County sits within EPA Zone 2, reflecting moderate radon potential in Arizona's southeastern mountains. Current testing data for zip code 85534 remains unavailable, though the area's high elevation and volcanic geology can create localized radon variations. Residents should consider testing given the community's isolation and limited regional data.
Duncan, 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 Duncan?
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Radon FAQ for Duncan, AZ
What EPA Radon Zone is Duncan in?
Duncan and the 85534 zip code are in Greenlee 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 Duncan?
Radon mitigation in Duncan 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 Duncan?
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 |