Marion, MT Radon Levels
Check local Marion radon levels and find certified testing and mitigation professionals to keep your home safe
Marion, MT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Flathead County, MT
Zip Code
59925
Positioned in Flathead County near Glacier National Park, Marion sits within Montana's mountainous terrain where granite bedrock can contribute to higher radon potential. Testing data remains scarce for this rural community, emphasizing the importance of individual home testing. Mountain valley locations often experience varying radon levels based on local geology and seasonal weather patterns.
Marion, 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 Marion?
- 100% Free, No-Obligation Quotes
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1-800-299-3578
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Radon FAQ for Marion, MT
What EPA Radon Zone is Marion in?
Marion and the 59925 zip code are in Flathead 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 Marion?
Radon mitigation in Marion 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 Marion?
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 |