Clayton, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Clayton in?

Clayton is in Custer County, EPA Zone 1.

Q: How much does radon mitigation cost in Clayton?

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

Positioned high in central Idaho's Custer County mountains, Clayton sits in EPA Zone 1 where radon testing data is currently unavailable. The area's high-elevation location amid granitic and volcanic formations can create unique radon conditions that differ from typical Zone 1 expectations. Given the mountainous terrain and limited testing information for zip code 83227, residents should conduct radon measurements to understand their individual home's risk profile.

Clayton, ID Radon Mitigation

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

Clayton, ID Radon Testing

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

Clayton Radon Facts

Key details about the radon risk profile for Clayton and the 83227 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Custer County, ID

Zip Code

83227

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Clayton and the 83227 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 Clayton, ID

What EPA Radon Zone is Clayton in?

Clayton and the 83227 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 Clayton?

Radon mitigation in Clayton 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 Clayton?

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