Downey, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Downey in?

Downey is in Bannock County, EPA Zone 2.

Q: How much does radon mitigation cost in Downey?

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

Bannock County

EPA Zone 2

Positioned in Bannock County within southeastern Idaho's agricultural valleys, Downey sits where volcanic deposits and sedimentary formations can influence radon gas migration into residential structures. Although comprehensive testing data for zip code 83234 is currently unavailable, the EPA Zone 2 classification indicates moderate radon potential. Rural homeowners should conduct radon testing, especially in properties with basements or other below-grade spaces common in Idaho's traditional farming communities.

Downey, ID Radon Mitigation

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

Downey, ID Radon Testing

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

Downey Radon Facts

Key details about the radon risk profile for Downey and the 83234 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Bannock County, ID

Zip Code

83234

Predicted Screening Level

2–4 pCi/L (Zone 2)

Downey and the 83234 zip code are located in Bannock County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Downey, ID

What EPA Radon Zone is Downey in?

Downey and the 83234 zip code are in Bannock County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Downey?

Radon mitigation in Downey 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 Downey?

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