Rapelje, MT Radon Mitigation and Testing

Q: What EPA Radon Zone is Rapelje in?

Rapelje is in Stillwater County, EPA Zone 1.

Q: How much does radon mitigation cost in Rapelje?

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

Stillwater County

EPA Zone 1

Rapelje sits in Stillwater County within the Billings Metro area, where the region's geology includes sedimentary formations that can produce variable radon levels. Located in zip code 59067, this community currently has limited local testing data. Given Montana's generally elevated radon potential, homeowners should test their properties regardless of foundation type.

Rapelje, MT Radon Mitigation

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

Rapelje, MT Radon Testing

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

Rapelje Radon Facts

Key details about the radon risk profile for Rapelje and the 59067 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Stillwater County, MT

Zip Code

59067

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Rapelje and the 59067 zip code are located in Stillwater 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 Rapelje, MT

What EPA Radon Zone is Rapelje in?

Rapelje and the 59067 zip code are in Stillwater 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 Rapelje?

Radon mitigation in Rapelje 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 Rapelje?

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