Overgaard, AZ Radon Mitigation and Testing

Q: What EPA Radon Zone is Overgaard in?

Overgaard is in Navajo County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Overgaard?

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

Navajo County

EPA Zone Unknown

Nestled in Navajo County at higher elevation in northern Arizona, Overgaard has recorded an average radon level of 20.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. The mountainous terrain and geological formations in this region can create conditions favorable for radon accumulation. Homes in zip code 85939 should prioritize radon testing and mitigation given these elevated readings.

Overgaard, AZ Radon Mitigation

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

Overgaard, AZ Radon Testing

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

Overgaard Radon Facts

Key details about the radon risk profile for Overgaard and the 85939 zip code area.

EPA Radon Zone

Unknown

County

Navajo County, AZ

Zip Code

85939

Predicted Screening Level

Unknown

Overgaard and the 85939 zip code are located in Navajo County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Overgaard, AZ

What EPA Radon Zone is Overgaard in?

Overgaard and the 85939 zip code are in Navajo County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.

How much does radon mitigation cost in Overgaard?

Radon mitigation in Overgaard 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 Overgaard?

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