Frost line depth in Park County, MT

How deep the ground freezes in Park County, MT

34 in. Dig to 35 in, just below the frost. Nearest NOAA station: Livingston 12 S, 2.5 mi.

Your building department sets the legal frost line depth (IRC Table R301.2(1)); footings must go below it (R403.1.4.1). Call them before you dig.

Code depth · Snow