Frost line depth in Anne Arundel County, MD

How deep the ground freezes in Anne Arundel County, MD

12 in. Dig to 12 in, the 12 in code minimum. Nearest NOAA station: Annapolis Police Brks, 2.9 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.

12 in minimum · Snow