Frost line depth in Juneau City and Borough, AK

How deep the ground freezes in Juneau City and Borough, AK

39 in. Dig to 40 in, just below the frost. Nearest NOAA station: Annex Creek, 4.7 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