Frost line depth in Garfield County, CO

How deep the ground freezes in Garfield County, CO

34 in. Dig to 34 in, just below the frost. Nearest NOAA station: Rifle 3ene, 10.2 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