Midvale, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Midvale in?

Midvale is in Washington County, EPA Zone 3.

Q: How much does radon mitigation cost in Midvale?

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

Washington County

EPA Zone 3

Situated in rural Washington County within Idaho's agricultural heartland, Midvale sits over sedimentary formations that can contribute to radon accumulation in enclosed spaces. Local testing data remains sparse, making professional radon evaluation essential for area homeowners. Given the community's mix of older farmhouses and newer rural construction, individual testing helps establish baseline radon readings for each property.

Midvale, ID Radon Mitigation

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

Midvale, ID Radon Testing

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

Midvale Radon Facts

Key details about the radon risk profile for Midvale and the 83645 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Washington County, ID

Zip Code

83645

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Midvale and the 83645 zip code are located in Washington County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Midvale, ID

What EPA Radon Zone is Midvale in?

Midvale and the 83645 zip code are in Washington County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Midvale?

Radon mitigation in Midvale 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 Midvale?

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