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Fountain Hills, AZ Radon Levels

Check local Fountain Hills radon levels and find certified testing and mitigation professionals to keep your home safe


Fountain Hills, AZ Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Maricopa County, AZ
Zip Code 85268
Avg. User Level 5.00 pCi/L
User Tests 2

Desert community Fountain Hills in Maricopa County shows an average radon level of 5.0 pCi/L, modestly exceeding the EPA action threshold. Located within the Phoenix Metro area's high-desert terrain, this ZIP code 85268 community reflects Arizona's moderate radon potential from granite and volcanic geology. While readings are elevated above the recommended level, professional mitigation can effectively reduce indoor radon concentrations in affected homes.

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.

0
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.

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Fountain Hills, AZ Radon Levels

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

Radon LevelCityHome AgeFoundation
4 pCi/L Fountain Hills, AZ 21-50 Years Partial Basement
6 pCi/L Fountain Hills, AZ 21-50 Years No Basement/All Slab

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

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 in Arizona with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
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