FrostDepthCheck

Frost line depth in Cape May County, NJ

How deep the ground freezes in Cape May County, NJ

13 in. Dig to 14 in, just below the frost. Nearest NOAA station: Cape May 2 Nw, 10.3 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.

Code depth · Snow