Marsing, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Marsing in?

Marsing is in Owyhee County, EPA Zone 2.

Q: How much does radon mitigation cost in Marsing?

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

Owyhee County

EPA Zone 2

Positioned in Owyhee County within the Boise Metro area, Marsing's radon testing data remains limited for the 83639 zip code. The community sits in southwestern Idaho's Snake River Plain, where basaltic geology and alluvial soils typically produce moderate radon levels. Despite limited testing data, homeowners should conduct radon measurements given Idaho's variable geological conditions and the mix of basement and slab-on-grade construction common to the region.

Marsing, ID Radon Mitigation

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

Marsing, ID Radon Testing

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

Marsing Radon Facts

Key details about the radon risk profile for Marsing and the 83639 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Owyhee County, ID

Zip Code

83639

Predicted Screening Level

2–4 pCi/L (Zone 2)

Marsing and the 83639 zip code are located in Owyhee 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 Marsing, ID

What EPA Radon Zone is Marsing in?

Marsing and the 83639 zip code are in Owyhee 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 Marsing?

Radon mitigation in Marsing 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 Marsing?

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