| AV - Airport |
| C-1 - Neighborhood Commercial |
| C-2 - Central Business District |
| C-3 - General Business District |
| C-3 - General Business District CBDZ |
| C-3-P - Gen. Comm. Off St Pking |
| CH-CBDZ - Highway Service CBDZ |
| LLR - Large Lot Residential |
| M-1 - Light Industrial |
| M-1- Light Industrial CBDZ |
| M-2 - General Industrial |
| P - Public |
| PD - Planned Development |
| PQ - Public/Quasi-public |
| R-1 - Single Family |
| R-1-10 - Single Family 10,000 Sq.Ft. |
| R-1-2 - Single Family Duplex |
| R-1-8 - Single Family 8,000 Sq. Ft. |
| R-1-A - Single Family Agriculture |
| R-2 - Multiple Family Duplex/Triplex |
| R-3 - Multiple Family Duplex/Triplex |
| R-4 - Multiple Family Residential |
| R-4/A-H |
| SPMU-CBDZ - Specific Plan Mixed Use CBDZ |
| SPMU-CH-CBDZ - Spec. Plan MU Hwy Service Comm. |
| None |
| A-V - Airport |
| AG-1 - Agricultural, Upland District |
| AG-2 - Agricultural, Valley District |
| AG-3 - Agricultural, El Camino District |
| AG-4 - Agricultural, Capay District |
| C-1 - Neighborhood Commercial |
| C-2 - Community Commercial |
| CITY - City |
| G-R - General Recreation |
| GOV - Government |
| M-1 - Light Industrial District |
| M-2 - General Industrial District |
| NOMLKI - Nomlaki Tribe |
| NR - Natural Resource |
| PA - Public Agency |
| PD - Planned Development |
| PF - Floodplain |
| R-1 - One Family Residential District |
| R-2 - Two Family Residential District |
| R-3 - Neighborhood Apartment District |
| R-4 - General Apartment District |
| RE - Very Low Density Residential |
| SCSP - Sun City Special Plan |
| TPZ - Timber |
| CR - Commercial Recreation |
| CTY - City |
| GC - General Commercial |
| GOV - Government |
| HR -Habitat Resources |
| IG - General Industrial |
| NR - Resource Lands |
| P - Public |
| RL - Rural Large Lot |
| RS - Rural Small Lot |
| SP/GC - Special Plan General Commercial |
| SP/P - Special Plan Public |
| SP/RS - Special Plan Rural Small Lot |
| SP/SR - Special Plan Suburban |
| SP/VFA - Special Plan Valley Floor Agriculture |
| SR - Suburban |
| T - Timber |
| TR - Native American Lands |
| UA - Upland Agricultural |
| UR - Urban Residential |
| VFA - Valley Floor Agriculture |
| VFA/CP - Valley Floor Agriculture, Capay |
| VFA/EC - Valley Floor Agriculture, El Camino |
| W - Water |
| CALFIRE Butte Tehama Unit |
| CALFIRE Lassen Modoc Unit NPS CALNP |
| CALFIRE Tehama Glenn Unit |
| Capay Fire Protection District |
| City of Corning Fire Department |
| City of Red Bluff Fire Department |
| FWS Sacramento River National Wildlife Refuge |
| Gerber Fire Protection District |
| Tehama County Fire Department TCFD |
| USFS Lassen National Forest |
| USFS Mendocino National Forest |
| USFS Shasta Trinity National Forest |