Frost line depth in Southeast Fairbanks Census Area, AK

How deep the ground freezes in Southeast Fairbanks Census Area, AK

102 in. Dig to 103 in, just below the frost. Nearest NOAA station: Tok, 37.1 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 · Method