Dewey, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Dewey in?

Dewey is in Yavapai County, EPA Zone 2.

Q: How much does radon mitigation cost in Dewey?

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

Yavapai County

EPA Zone 2

High-desert Yavapai County community Dewey sits at elevation in the Prescott Valley metropolitan area, where granite bedrock and volcanic geology create moderate radon potential. Testing data for the 86327 zip code remains limited, making professional radon testing essential for homeowners. Arizona's varied geology means radon levels can vary significantly even within small geographic areas.

Dewey, AZ Radon Mitigation

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

Dewey, AZ Radon Testing

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

Dewey Radon Facts

Key details about the radon risk profile for Dewey and the 86327 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Yavapai County, AZ

Zip Code

86327

Predicted Screening Level

2–4 pCi/L (Zone 2)

Dewey and the 86327 zip code are located in Yavapai 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 Dewey, AZ

What EPA Radon Zone is Dewey in?

Dewey and the 86327 zip code are in Yavapai 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 Dewey?

Radon mitigation in Dewey 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 Dewey?

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