The purpose of this chapter is to identify classes of uses so that appropriate uses can be accommodated in the various zoning districts.
(Ord. 2015-002 § 3 (Exh. 1)(part), 2015; Ord. 2025-004, 12/15/2025)
The zoning districts are applicable in all areas of the city except for specific plan areas.
(Ord. 2015-002 § 3 (Exh. 1)(part), 2015; Ord. 2025-004, 12/15/2025)
A. 
Base districts. The base zoning district is the primary zoning district that applies to a property. Every parcel throughout the city has a base zoning district that establishes the primary land use type, density, intensity, and site development regulations. The base zoning districts listed in Table 17.26-A, Base Districts are established by this title consistent with the general plan:
Table 17-26-A—Base Districts
General Plan Land Use
Map ID
District Name
Low Density Residential
R-1
Single-Family Residential District
Low Density Residential
R-2
Two-Family Residential District
Medium Density Residential
R-3
Multifamily Residential District
High Density Residential
R-4
High-Density Multifamily Residential District
Residential Mixed-Use
RMU
Residential Mixed-Use District
Planned Development
PD
Planned Development District
Neighborhood Commercial
NC
Neighborhood Commercial District
Regional Commercial
CR
Regional Commercial District
Commercial Mixed-Use
CMU
Commercial Mixed-Use District
Mixed-Use Center West
MUCW
Mixed-Use Center West District
Employment Mixed-Use
EMU
Employment Mixed-Use District
Industrial Mixed-Use
IMU
Industrial Mixed-Use District
Public/Institutional
I
Institutional District
Parks/Recreation
OS
Open Space District
B. 
Overlay districts. The overlay zoning districts supplement base zoning districts for one or more of the purposes listed below. The overlay zoning districts listed in Table 17.26-B, Overlay Districts and Specific Plans, are established by this title:
1. 
To allow more flexibility from the standard provisions of the underlying base zone.
2. 
To protect unique site features or implement location-specific regulations.
3. 
To recognize and protect existing nonconforming uses.
4. 
To specify a particular standard or guideline for an area.
Table 17.26-B—Overlay Districts and Specific Plans
Overlay Districts
D1
Hillside Area Overlay District
D2
Priority Development Area Overlay District
D3
Air Quality Health Risk District
MF
Multifamily Overlay District
CP
Creekside Protection Overlay District
Specific Plans
SP2
San Pablo Avenue Specific Plan
(Ord. 2015-002 § 3 (Exh. 1)(part), 2015; Ord. 2025-004, 12/15/2025)