Frost line depth in San Miguel County, NM

How deep the ground freezes in San Miguel County, NM

19 in. Dig to 19 in, just below the frost. Nearest NOAA station: Las Vegas Muni Ap, 22.6 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 · Method