| N1 - Non-Urban 1 (0.2 du/ac) |
| N2 - Non-Urban 2 (0.3 to 1.0 du/ac) |
| U1 - Urban 1 (1.1 to 3.2 du/ac) |
| U2 - Urban 2 (3.3 to 6.0 du/ac) |
| U3 - Urban 3 (6.1 to 12.0 du/ac) |
| U4 - Urban 4 (12.1 to 22.0 du/ac) |
| U5 - Urban 5 (22.1 to 35.0 du/ac) |
| C - Commercial |
| I - Industrial |
| O - Open Space |
| P - Public and Semi-Public Facilities |
| TOS - Transitional Open Space (N1) |
| TOS - Transitional Open Space (N2) |
| TOS - Transitional Open Space (U1) |
| RL10 - Rural Lands 10 (1du/10ac) |
| RL2 - Rural Lands 2 (1du/2ac) |
| H2 - Residential 2 (0-2 du/ac) |
| H5 - Residential 5 (0-5 du/ac) |
| H9 - Residential 9 (0-9 du/ac) |
| H18 - Residential 18 (9-18 du/ac) |
| H30 - Residential 30 (18-30 du/ac) |
| H50 - Residential 50 (30-50 du/ac) |
| CG - General Commercial |
| P-CS - Public and Semi-Public Community Serving |
| P-UF - Public and Semi-Public Utilities and Facilities |
| P-TF - Public and Semi-Public - Transportation Facilities |
| IL - Light Industrial |
| OS-PR - Open Space Parks and Recreation |
| OS-C - Open Space Conservation |
| R-1 - Single-Family Residence |
| R-2 - Two-Family Residence |
| R-3-()U -Limited Density Multiple Residence |
| R-3-()U - Limited Multiple Residence (SMMCZ only) |
| R-4-()U - Medium Density Multiple Residence |
| R-5-()U - High Density Multiple Residence |
| R-A - Residential Agricultural |
| R-C - Rural Coastal |
| RPD - Residential Planned Development |
| A-1 - Light Agricultural |
| A-2 - Heavy Agricultural |
| A-2-H - Heavy Agricultural Including Hog Ranches |
| C-1 - Restricted Business |
| C-2 - Neighborhood Business |
| C-3 - General Commercial |
| C-H - Commercial Highway |
| C-M - Commercial Manufacturing |
| C-MJ - Major Commercial |
| C-R - Commercial Recreation |
| C-RU - Rural Commercial |
| CPD - Commercial Planned Development |
| M-1 - Light Manufacturing |
| M-1.5 - Restricted Heavy Manufacturing |
| M-2 - Heavy Manufacturing |
| M-2.5 - Aircraft and Heavy Manufacturing |
| M-3 - Unclassified |
| MPD - Manufacturing--Industrial Planned |
| B-1 - Buffer Strip |
| B-2 - Corner Buffer |
| D-2 - Desert-Mountain |
| IT - Institutional |
| R-R - Resort And Recreation |
| P-R - Parking Restricted |
| SP - Specific Plan |
| SR-D - Scientific Research and Development |
| O-S - Open Space |
| O-S-P - Open Space - Parks |
| O-S-DR - Open Space - Deed Restricted |
| MXD - Mixed Use Development |
| MXD-RU - Rural Mixed Use Development |
| W - Watershed |