Frost line depth in Jay County, IN

How deep the ground freezes in Jay County, IN

30 in. Dig to 31 in, just below the frost. Nearest NOAA station: Portland 1 Sw, 1.3 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.