Frost line depth in New York County, NY

How deep the ground freezes in New York County, NY

16 in. Dig to 17 in, just below the frost. Nearest NOAA station: New York Cntrl Pk Twr, 0.2 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