FrostDepthCheck

Frost line depth in Nash County, NC

How deep the ground freezes in Nash County, NC

10 in. Dig to 12 in, the 12 in code minimum. Nearest NOAA station: Rocky Mt Wilson Ap, 9.3 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