FrostDepthCheck

Frost line depth in Suffolk city, VA

How deep the ground freezes in Suffolk city, VA

10 in. Dig to 12 in, the 12 in code minimum. Nearest NOAA station: Suffolk Lake Kilby, 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