Rio Rico, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Rio Rico in?

Rio Rico is in Santa Cruz County, EPA Zone 2.

Q: How much does radon mitigation cost in Rio Rico?

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

Santa Cruz County

EPA Zone 2

Rio Rico, AZ resides in Santa Cruz 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. Testing is recommended for all homes in the 85648 zip code area.

Rio Rico, AZ Radon Mitigation

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

Rio Rico, AZ Radon Testing

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

Rio Rico Radon Facts

Key details about the radon risk profile for Rio Rico and the 85648 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Santa Cruz County, AZ

Zip Code

85648

Predicted Screening Level

2–4 pCi/L (Zone 2)

Rio Rico and the 85648 zip code are located in Santa Cruz 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 Rio Rico, AZ

What EPA Radon Zone is Rio Rico in?

Rio Rico and the 85648 zip code are in Santa Cruz 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 Rio Rico?

Radon mitigation in Rio Rico 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 Rio Rico?

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