Boulder, MT Radon Levels
Check local Boulder radon levels and find certified testing and mitigation professionals to keep your home safe
Boulder, MT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Jefferson County, MT
Zip Code
59632
Situated in Jefferson County in southwestern Montana's mining region, Boulder lies in an area where granite intrusions and uranium-bearing rock formations create high radon potential. Testing data for this community in ZIP code 59632 remains limited, making professional radon testing particularly important for area homeowners. Given Montana's geology and Boulder's EPA Zone 1 classification, residents should prioritize radon testing regardless of home age or foundation type.
Boulder, MT Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Boulder?
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Radon FAQ for Boulder, MT
What EPA Radon Zone is Boulder in?
Boulder and the 59632 zip code are in Jefferson 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 Boulder?
Radon mitigation in Boulder 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 Boulder?
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 in Montana with the most user-submitted radon test data, ranked by number of submissions.
| 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 |