Eden, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Eden in?

Eden is in Graham County, EPA Zone 2.

Q: How much does radon mitigation cost in Eden?

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

Graham County

EPA Zone 2

Situated in Graham County within Arizona's high desert region, Eden sits atop volcanic and sedimentary formations that generally produce moderate radon levels. While specific testing data for zip code 85535 remains limited, the area's geological characteristics suggest homeowners should still conduct radon testing. Desert climates can create unique ventilation patterns that may affect how radon accumulates in homes with different foundation types.

Eden, AZ Radon Mitigation

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

Eden, AZ Radon Testing

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

Eden Radon Facts

Key details about the radon risk profile for Eden and the 85535 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Graham County, AZ

Zip Code

85535

Predicted Screening Level

2–4 pCi/L (Zone 2)

Eden and the 85535 zip code are located in Graham 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 Eden, AZ

What EPA Radon Zone is Eden in?

Eden and the 85535 zip code are in Graham 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 Eden?

Radon mitigation in Eden 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 Eden?

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