Alpine, AZ Radon Levels

Q: What EPA Radon Zone is Alpine in?

Alpine is in Apache County, EPA Zone 2.

Q: How much does radon mitigation cost in Alpine?

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

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

Alpine, AZ Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Apache County, AZ

Zip Code 85920

High in Arizona's White Mountains within Apache County, Alpine sits at over 8,000 feet elevation where volcanic and sedimentary geology creates unique radon considerations. The mountain resort community features seasonal cabins and year-round homes, often built on pier or slab foundations due to the challenging high-altitude environment. Since radon testing data is unavailable for zip code 85920, residents should conduct testing to understand their exposure levels in this elevated mountain setting where radon behavior can differ from lower elevations.

Alpine, AZ Radon Mitigation

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

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Radon FAQ for Alpine, AZ

What EPA Radon Zone is Alpine in?

Alpine and the 85920 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 Alpine?

Radon mitigation in Alpine 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 Alpine?

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.

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