May, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is May in?

May is in Lemhi County, EPA Zone 1.

Q: How much does radon mitigation cost in May?

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

Lemhi County

EPA Zone 1

Remote Lemhi County wilderness surrounds May, where Rocky Mountain granite and metamorphic formations can produce elevated radon levels at high elevation. Testing data for this isolated 83254 community is unavailable, making individual home testing essential for residents in this mountainous region with potentially significant radon sources.

May, ID Radon Mitigation

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

May, ID Radon Testing

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

May Radon Facts

Key details about the radon risk profile for May and the 83253 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lemhi County, ID

Zip Code

83253

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

May and the 83253 zip code are located in Lemhi 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 May, ID

What EPA Radon Zone is May in?

May and the 83253 zip code are in Lemhi 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 May?

Radon mitigation in May 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 May?

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