Calder, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Calder in?

Calder is in Shoshone County, EPA Zone 1.

Q: How much does radon mitigation cost in Calder?

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

Shoshone County

EPA Zone 1

Tucked in the forested mountains of northern Shoshone County, Calder sits within Idaho's historic mining region where geological conditions can influence radon levels. The small community's older housing stock and mountainous terrain create unique challenges for radon assessment. Given the lack of comprehensive testing data for zip code 83808, residents should prioritize individual home testing to understand their radon exposure.

Calder, ID Radon Mitigation

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

Calder, ID Radon Testing

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

Calder Radon Facts

Key details about the radon risk profile for Calder and the 83808 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Shoshone County, ID

Zip Code

83808

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Calder and the 83808 zip code are located in Shoshone 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 Calder, ID

What EPA Radon Zone is Calder in?

Calder and the 83808 zip code are in Shoshone 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 Calder?

Radon mitigation in Calder 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 Calder?

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