Tolleson, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Tolleson in?

Tolleson is in Maricopa County, EPA Zone 2.

Q: How much does radon mitigation cost in Tolleson?

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

Situated in the Phoenix Metro's western suburbs within Maricopa County, Tolleson sits in EPA Zone 2 where desert alluvium over granite bedrock creates generally moderate radon conditions. The community's housing consists mainly of single-story ranch homes and manufactured housing, predominantly built on concrete slab foundations that reduce radon entry potential. With testing data for zip code 85353 currently limited, residents should still test since radon levels can vary even in desert environments.

Tolleson, AZ Radon Mitigation

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

Tolleson, AZ Radon Testing

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

Tolleson Radon Facts

Key details about the radon risk profile for Tolleson and the 85353 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Maricopa County, AZ

Zip Code

85353

Predicted Screening Level

2–4 pCi/L (Zone 2)

Tolleson and the 85353 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 Tolleson, AZ

What EPA Radon Zone is Tolleson in?

Tolleson and the 85353 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 Tolleson?

Radon mitigation in Tolleson 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 Tolleson?

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