Bonner, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Bonner in?

Bonner is in Missoula County, EPA Zone 1.

Q: How much does radon mitigation cost in Bonner?

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

Missoula County

EPA Zone 1

This small Missoula County community sits along the Clark Fork River valley, surrounded by granitic and metamorphic rock formations of western Montana. Radon testing data for the 59823 zip code area remains limited, though the geological setting suggests homeowners should test for radon gas. The area's housing includes rural properties and seasonal cabins, many with crawl space or basement foundations where radon accumulation can occur in the mountain valley environment.

Bonner, MT Radon Mitigation

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

Bonner, MT Radon Testing

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

Bonner Radon Facts

Key details about the radon risk profile for Bonner and the 59823 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Missoula County, MT

Zip Code

59823

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Bonner and the 59823 zip code are located in Missoula 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 Bonner, MT

What EPA Radon Zone is Bonner in?

Bonner and the 59823 zip code are in Missoula 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 Bonner?

Radon mitigation in Bonner 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 Bonner?

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 Montana

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Butte	10.20 pCi/L	10
Missoula	6.25 pCi/L	8
Florence	11.67 pCi/L	3
Bozeman	10.33 pCi/L	3
Helena	8.67 pCi/L	3
Stevensville	7.67 pCi/L	3
Sidney	7.33 pCi/L	3
Billings	5.33 pCi/L	3
Miles City	3.33 pCi/L	3
Kalispell	7.50 pCi/L	2
Great Falls	4.50 pCi/L	2
Whitefish	4.00 pCi/L	2
Ennis	9.00 pCi/L	1
Livingston	No submissions	0