Chinle, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Chinle in?

Chinle is in Apache County, EPA Zone 2.

Q: How much does radon mitigation cost in Chinle?

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

Apache County

EPA Zone 2

Located in Apache County within the Navajo Nation, Chinle sits amid the dramatic sandstone formations of Canyon de Chelly in EPA Zone 2. The area's sedimentary geology and high desert climate create moderate potential for radon accumulation in enclosed spaces. Given the limited testing data currently available for zip code 86503, residents should prioritize radon testing, especially in homes with lower-level rooms or traditional below-grade spaces.

Chinle, AZ Radon Mitigation

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

Chinle, AZ Radon Testing

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

Chinle Radon Facts

Key details about the radon risk profile for Chinle and the 86503 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Apache County, AZ

Zip Code

86503

Predicted Screening Level

2–4 pCi/L (Zone 2)

Chinle and the 86503 zip code are located in Apache 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 Chinle, AZ

What EPA Radon Zone is Chinle in?

Chinle and the 86503 zip code are in Apache 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 Chinle?

Radon mitigation in Chinle 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 Chinle?

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