Saint Maries, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Maries in?

Saint Maries is in Benewah County, EPA Zone 1.

Q: How much does radon mitigation cost in Saint Maries?

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

Benewah County

EPA Zone 1

Nestled in Benewah County within the Coeur d'Alene Metro, Saint Maries sits in EPA Zone 1 where elevated radon potential exists. The area's mountainous terrain and granitic geology can produce variable radon conditions throughout the 83861 zip code. With limited local testing data available, homeowners should prioritize professional radon testing to understand their individual property risk.

Saint Maries, ID Radon Mitigation

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

Saint Maries, ID Radon Testing

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

Saint Maries Radon Facts

Key details about the radon risk profile for Saint Maries and the 83861 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Benewah County, ID

Zip Code

83861

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Saint Maries and the 83861 zip code are located in Benewah 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 Saint Maries, ID

What EPA Radon Zone is Saint Maries in?

Saint Maries and the 83861 zip code are in Benewah 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 Saint Maries?

Radon mitigation in Saint Maries 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 Saint Maries?

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