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Sula, MT Radon Levels

Check local Sula radon levels and find certified testing and mitigation professionals to keep your home safe


Sula, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Ravalli County, MT
Zip Code 59871

Remote Sula in Ravalli County lies in EPA Zone 1 within Montana's Bitterroot Valley, where Rocky Mountain geology and granite formations can produce elevated radon levels. The rural area features scattered homes and seasonal properties, many with basement foundations that can trap radon gas in the mountain environment. Testing data for zip code 59871 is limited, making individual home testing essential given the high-altitude geological conditions.

Sula, MT Radon Mitigation

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

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Radon FAQ for Sula, MT

What EPA Radon Zone is Sula in?
Sula and the 59871 zip code are in Ravalli 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 Sula?
Radon mitigation in Sula 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 Sula?
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.

CityAvg User Radon LevelSubmissions
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