Fountain Hills, AZ Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Fountain Hills in?

Fountain Hills is in Maricopa County, EPA Zone 2.

Q: How much does radon mitigation cost in Fountain Hills?

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

Avg: 5.00 pCi/L

Maricopa County

EPA Zone 2

2 user tests

Fountain Hills is located in Maricopa County, Arizona. With 2 user-submitted readings averaging 5.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 85268 zip code.

5.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Fountain Hills, AZ Radon Mitigation

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

Fountain Hills, AZ Radon Testing

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

Fountain Hills, Arizona Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	Fountain Hills, AZ	21-50 Years	Partial Basement	Mar 2025
6 pCi/L	Fountain Hills, AZ	21-50 Years	No Basement/All Slab	Dec 2023

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

Fountain Hills Radon Facts

Key details about the radon risk profile for Fountain Hills and the 85268 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Maricopa County, AZ

Zip Code

85268

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Fountain Hills and the 85268 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 Fountain Hills, AZ

What is the average radon level in Fountain Hills, AZ?

Based on 2 user-submitted tests, the average radon level in Fountain Hills is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Fountain Hills in?

Fountain Hills and the 85268 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 Fountain Hills?

Radon mitigation in Fountain Hills 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 Fountain Hills?

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