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Hardin, MT Radon Levels

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


Hardin, MT Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Big Horn County, MT
Zip Code 59034

Situated in Big Horn County in south-central Montana, Hardin lies in an area where sedimentary rock formations influence local radon potential. With limited testing data available for the 59034 zip code, homeowners should consider professional radon testing regardless of the area's EPA Zone 1 classification. The community's mix of housing types, from historic structures to modern homes, may show varying radon accumulation patterns.

Hardin, 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 Hardin, MT

What EPA Radon Zone is Hardin in?
Hardin and the 59034 zip code are in Big Horn 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 Hardin?
Radon mitigation in Hardin 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 Hardin?
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