Frost line depth in Garrett County, MD

How deep the ground freezes in Garrett County, MD

23 in. Dig to 23 in, just below the frost. Nearest NOAA station: Sines Deep Creek, 7.6 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