Casa Grande, AZ Radon Levels
Check local Casa Grande radon levels and find certified testing and mitigation professionals to keep your home safe
Casa Grande, AZ Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Pinal County, AZ
Zip Code
85122
Located in Pinal County between Phoenix and Tucson, Casa Grande sits in Arizona's Sonoran Desert basin where granite bedrock and desert alluvium typically produce lower radon concentrations. With limited radon testing data currently available for this rapidly growing community, homeowners should consider baseline testing to establish their property's radon profile. The area's predominantly slab-on-grade construction and newer subdivisions may have different radon characteristics than older Arizona communities.
Casa Grande, 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 Casa Grande?
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Radon FAQ for Casa Grande, AZ
What EPA Radon Zone is Casa Grande in?
Casa Grande and the 85122 zip code are in Pinal 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 Casa Grande?
Radon mitigation in Casa Grande 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 Casa Grande?
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 |