Ismay, MT Radon Levels
Check local Ismay radon levels and find certified testing and mitigation professionals to keep your home safe
Ismay, MT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Custer County, MT
Zip Code
59336
Positioned in Custer County within southeastern Montana's prairie region, Ismay sits atop Fort Union Formation sandstones and shales that can contribute to radon accumulation. While testing data for this small rural community remains limited, Montana's geological diversity makes radon testing advisable for residents in zip code 59336. The area features scattered ranch homes and farmsteads typical of the northern Great Plains.
Ismay, 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 Ismay?
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1-800-299-3578
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Radon FAQ for Ismay, MT
What EPA Radon Zone is Ismay in?
Ismay and the 59336 zip code are in Custer 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 Ismay?
Radon mitigation in Ismay 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 Ismay?
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 |