Peoria, AZ Radon Mitigation and Testing

Q: What is the average radon level in Peoria, AZ?

Based on 2 user-submitted tests, the average radon level is 3.00 pCi/L.

Q: What EPA Radon Zone is Peoria in?

Peoria is in Maricopa County, EPA Zone 2.

Q: How much does radon mitigation cost in Peoria?

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

Avg: 3.00 pCi/L

Maricopa County

EPA Zone 2

2 user tests

Peoria in Maricopa County within the Phoenix metro area shows radon levels averaging 3.0 pCi/L, which falls within EPA-recommended ranges but still warrants attention for some properties. This growing suburb's desert location features predominantly slab-on-grade construction typical of Arizona's warm climate, though radon can still accumulate in enclosed spaces. With readings spanning from 2.0 to 4.0 pCi/L across zip codes 85345 and 85381, continued monitoring helps ensure safe indoor air quality as the community expands.

3.00

pCi/L average

Below EPA Action Level

Based on 2 user-submitted radon tests for homes in Peoria, AZ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Peoria, AZ Radon Mitigation

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

Peoria, AZ Radon Testing

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

Peoria, Arizona Radon Levels

User-submitted radon test readings from homes in the Peoria area.

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Peoria, AZ	0-20 Years	No Basement/All Slab	Feb 2024
2 pCi/L	Peoria, AZ	0-20 Years	No Basement/All Slab	Jan 2024

Have a radon test result for Peoria? Submit your reading to help other homeowners.

Peoria Radon Facts

Key details about the radon risk profile for Peoria and the 85345 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Maricopa County, AZ

Zip Code

85345

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

3.00 pCi/L

User Tests Submitted

Peoria and the 85345 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 Peoria, AZ

What is the average radon level in Peoria, AZ?

Based on 2 user-submitted tests, the average radon level in Peoria is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Peoria in?

Peoria and the 85345 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 Peoria?

Radon mitigation in Peoria 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 Peoria?

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