The several districts established and into which the county may divide are designated as follows:

U District–Unclassified District

X District–Special Use District

R-1 District–Single Family Residential District

R-2 District–Low Density Multiple Family Residential District

R-3 District–High Density Multiple Family Residential District

C-1 District–Retail Commercial and Office District

C-2 District–Heavy Commercial District

M District–Manufacturing District

LM District–Light Manufacturing District

MM District–Medium Manufacturing District

A District–Agricultural District

AG District–Exclusive Agriculture District

H District–Highway Commercial - Recreation District

T-1 District–Trailer-Camp District

T-2 District–Mobilehome Park-Camp District

B District–Combining Lot Size District

RE District–Residential Estate District

R-2A District–Two-Acre Residential District

TPZ District–Timberland Preserve Zone

PD District–Planned Development District

MR District–Mineral Resources District

R1-A District–Single-Family Residential-Agricultural District

-DR District–Combining Design Review District

O-S District–Open Space District.