Frost line depth in Mahoning County, OH

How deep the ground freezes in Mahoning County, OH

31 in. Dig to 31 in, just below the frost. Nearest NOAA station: Warren 3 S, 13.4 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