Sheridan, MT Radon Levels
Check local Sheridan radon levels and find certified testing and mitigation professionals to keep your home safe
Sheridan, MT Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Madison County, MT
Zip Code
59749
Positioned in Madison County among the mountain valleys of southwestern Montana, Sheridan sits in an EPA Zone 1 area where geological conditions can produce elevated radon levels. Local housing includes ranch-style homes and mountain properties with varying foundation types suited to the region's climate. Given the limited testing data available and Montana's known radon potential, homeowners should prioritize professional radon testing.
Sheridan, 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 Sheridan?
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1-800-299-3578
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Radon FAQ for Sheridan, MT
What EPA Radon Zone is Sheridan in?
Sheridan and the 59749 zip code are in Madison 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 Sheridan?
Radon mitigation in Sheridan 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 Sheridan?
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 |