Frost line depth in Lake County, CA

How deep the ground freezes in Lake County, CA

1 in. Dig to 12 in, the 12 in code minimum. Nearest NOAA station: Clearlake 4 Se, 15.9 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.

12 in minimum · Snow