Queen Creek, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Queen Creek in?

Queen Creek is in Maricopa County, EPA Zone 2.

Q: How much does radon mitigation cost in Queen Creek?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Maricopa County

EPA Zone 2

This rapidly growing community in Maricopa County's southeast valley (zip codes 85142, 85240, 85242, and 85243) represents one of the Phoenix Metro's newest suburban developments built primarily since the 1990s. Desert geology with caliche hardpan and newer construction featuring slab-on-grade foundations typically result in lower radon potential, though testing data for Queen Creek remains limited. Even in EPA Zone 2 areas, homeowners should consider testing as individual homes can still experience elevated radon levels.

Queen Creek, AZ Radon Mitigation

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

Queen Creek, AZ Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Queen Creek Radon Facts

Key details about the radon risk profile for Queen Creek and the 85142 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Maricopa County, AZ

Zip Code

85142

Predicted Screening Level

2–4 pCi/L (Zone 2)

Queen Creek and the 85142 zip code are located in Maricopa County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Queen Creek, AZ

What EPA Radon Zone is Queen Creek in?

Queen Creek and the 85142 zip code are in Maricopa 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 Queen Creek?

Radon mitigation in Queen Creek 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 Queen Creek?

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 with the most user-submitted radon test data in the state.

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
Gilbert	3.00 pCi/L	1
Tempe	3.00 pCi/L	1