| BC1 Business Core District |
| BC2 Business Core District |
| C1 Neighborhood Commercial District |
| C2 General Commercial District |
| CDR Core District-Residential |
| FC1 Fat City Pedestrian-Core District |
| FC2 Fat City Residential Mixed Use District |
| FC3 Fat City Commercial Mixed Use District |
| GO1 General Office District |
| GO2 General Office District |
| H1 Medical Service District |
| H2 Medical Service District |
| IMU Industrial Mixed-use District |
| AIM Avondale Industrial Marine District |
| IL Light Industrial District |
| IH Heavy Industrial District |
| ILF Landfill Industrial District |
| MUCD Mixed-use Corridor District |
| OBM1 Old Bucktown Mixed-use Residential District |
| OBM2 Old Bucktown Mixed-use Commercial District |
| OW1 Office Warehouse District |
| R1A Single-Family Residential District |
| R1B Suburban Residential District |
| R1C Rural Residential District |
| R1CO Condominium District |
| R1D Rural Residential District |
| R1MH Manufactured Home District |
| R1TH Townhouse District |
| R2 Two-Family Residential District |
| R3 Multiple-Family Residential District |
| RR3 Three- and Four-Family Residential District |
| S1 Suburban District |
| TCMU Town Center Mixed Use |
| U1R Unrestricted District |
| U1S Unrestricted Suburban District |