Mackay, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Mackay in?

Mackay is in Custer County, EPA Zone 1.

Q: How much does radon mitigation cost in Mackay?

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

Custer County

EPA Zone 1

Nestled in the mountainous terrain of Custer County, Mackay currently has limited radon testing data available for local analysis. The area's high-elevation location within Idaho's central mountains and complex geological formations create conditions where radon levels can vary significantly between properties. Residents in zip code 83251 should conduct individual home testing, as Idaho's diverse geology and EPA Zone 1 classification indicate potential for elevated radon levels throughout much of the state.

Mackay, ID Radon Mitigation

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

Mackay, ID Radon Testing

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

Mackay Radon Facts

Key details about the radon risk profile for Mackay and the 83251 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Custer County, ID

Zip Code

83251

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Mackay and the 83251 zip code are located in Custer County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Mackay, ID

What EPA Radon Zone is Mackay in?

Mackay and the 83251 zip code are in Custer County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Mackay?

Radon mitigation in Mackay 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 Mackay?

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 Idaho

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Idaho Falls	7.29 pCi/L	7
Hailey	7.83 pCi/L	6
Post Falls	9.00 pCi/L	5
Coeur D Alene	9.00 pCi/L	4
Moscow	7.75 pCi/L	4
Victor	6.67 pCi/L	3
Driggs	16.00 pCi/L	2
Hayden	8.50 pCi/L	2
Pocatello	8.50 pCi/L	2
Eagle	6.00 pCi/L	1
Boise	No submissions	0
Nampa	No submissions	0
Sandpoint	No submissions	0