Frost line depth in Los Alamos County, NM

How deep the ground freezes in Los Alamos County, NM

20 in. Dig to 20 in, just below the frost. Nearest NOAA station: Los Alamos, 0.8 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