Frost line depth in Lancaster County, PA

How deep the ground freezes in Lancaster County, PA

19 in. Dig to 19 in, just below the frost. Nearest NOAA station: Lancaster 2ne Fltr Plt, 1.4 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