Frost line depth in Capitol Planning Region, CT

How deep the ground freezes in Capitol Planning Region, CT

22 in. Dig to 22 in, just below the frost. Nearest NOAA station: Hartford Brainard Fld, 6.8 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