Harrison, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Harrison in?

Harrison is in Kootenai County, EPA Zone 1.

Q: How much does radon mitigation cost in Harrison?

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

Kootenai County

EPA Zone 1

This northern Idaho community in Kootenai County sits within the Coeur d'Alene metro area, where granitic bedrock and glacial deposits can produce variable radon conditions. Although specific testing data remains limited for zip code 83833, the region's geological characteristics warrant homeowner attention to radon potential. Professional testing is recommended for all residential properties, particularly those with basement spaces common in this mountain region.

Harrison, ID Radon Mitigation

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

Harrison, ID Radon Testing

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

Harrison Radon Facts

Key details about the radon risk profile for Harrison and the 83833 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Kootenai County, ID

Zip Code

83833

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Harrison and the 83833 zip code are located in Kootenai 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 Harrison, ID

What EPA Radon Zone is Harrison in?

Harrison and the 83833 zip code are in Kootenai 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 Harrison?

Radon mitigation in Harrison 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 Harrison?

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