| R1 (Single-Family Residential) District |
| R2 (Multiple-Family Residential -12 Units/Acre) District |
| R3 (Multiple-Family Residential 13 to 14 Units/Acre) District |
| R4 (Multiple-Family Residential 15 to 18 Units/Acre) District |
| R5 (Multiple-Family Residential 19 to 25 Units/Acre) District |
| CR (Restricted Commercial) District |
| C1 (Local Business) District |
| C2 (General Business) District |
| CM (Commercial-Industrial) District |
| M1 (Light Industrial) District |
| M-2 (Medium Industrial) |
| MU36 (Mixed-Use 36 units/acre) |
| MU40 (Mixed-Use 40 units/acre) |
| SP-1 (Specific Plan: Moran Street Specific Plan) |
|
| SP-2 (Specific Plan: Bolsa Row Specific Plan) |
|
| SP-3 (Specific Plan: Westminster Mall) |
| PF (Public Facilities) District |
| P/SP (P/SP (Public/Semi-Public) District) |
| P/OS (Park/Open Space) District |
| CEM (Cemetery) |
| FC (FC (Flood Control Channel)) |
| ROW (Right-of-Way) |
| RR/ROW (Railroad Right-of-Way) |
| SOI (Sphere of Influence) |
