Frost line depth in Lawrence County, PA

How deep the ground freezes in Lawrence County, PA

25 in. Dig to 25 in, just below the frost. Nearest NOAA station: New Castle 1 N, 2.2 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