Idaho City, ID Radon Levels

Q: What EPA Radon Zone is Idaho City in?

Idaho City is in Boise County, EPA Zone 1.

Q: How much does radon mitigation cost in Idaho City?

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

Check local Idaho City radon levels and find certified testing and mitigation professionals to keep your home safe

Idaho City, ID Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Boise County, ID

Zip Code 83631

Historic mountain community in Boise County, Idaho City sits within the Boise Metro area amid granitic formations of the Idaho Batholith, geological conditions that contribute to high radon potential throughout the region. The 83631 area features a unique mix of restored historic mining-era structures and modern mountain homes, many with basement or crawl space foundations adapted to the mountainous terrain. Limited testing data emphasizes the importance of individual property assessment, particularly given the EPA Zone 1 classification and complex geological setting.

Idaho City, ID Radon Mitigation

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

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Radon FAQ for Idaho City, ID

What EPA Radon Zone is Idaho City in?

Idaho City and the 83631 zip code are in Boise 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 Idaho City?

Radon mitigation in Idaho City 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 Idaho City?

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 in Idaho with the most user-submitted radon test data, ranked by number of submissions.

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