19.40.010   Zoning districts, generally.
   Chico shall be divided into zoning districts which implement the General Plan. The following zoning districts are established, and shall be shown on the official Zoning Map.
(Ord. 2185; Ord. 2231; Ord. 2320 §1, Ord. 2358 §10, Ord. 2427 §10)
TABLE 4-1
ZONING DISTRICTS
Zoning Map Symbol
Zoning District Name
Primary General Plan Land Use Designation and Permitted Densities (1)
Zoning Map Symbol
Zoning District Name
Primary General Plan Land Use Designation and Permitted Densities (1)
Residential Zoning Districts (2)
RS
Suburban Residential
Very Low Density Residential (VLDR) - 0.2 to 2 units per gross acre
R1
Low Density Residential
Low Density Residential (LDR) - 2.1 to 7 units per gross acre or small lot subdivision, 19.42.010(C)
R2
Medium Density Residential
Medium Density Residential (MDR) -6 to 14 units per gross acre
R3
Medium-High Density Residential
Medium-High Density Residential (MHDR) - 14.1 to 22 units per gross acre
R4
High Density Residential
High Density Residential (HDR) - 20 to 70 units per gross acre
RMU
Residential Mixed Use (RMU)
Residential Mixed Use (RMU) (10 to 20 units per gross acre)
Commercial and Office Zoning Districts (3)(4)
OR
Office Residential
Office Mixed Use (OMU) (6 to 20 units per gross acre)
OC
Office Commercial
Office Mixed Use (OMU) (6 to 20 units per gross acre)
CN
Neighborhood Commercial
Neighborhood Commercial (NC) (6 to 22 units per gross acre)
CC
Community Commercial
Commercial Mixed Use (CMU) (6 to 22 units per gross acre)
DN
DS
Downtown North
Downtown South
Commercial Mixed Use (CMU) (6 to 22 units per gross acre
CS
Commercial Services
Commercial Services (CS)
CR
Regional Commercial (CR)
Regional Commercial (CR) (6 to 50 units per gross acre)
Industrial Zoning Districts (3)(5)
IOMU
Industrial Office Mixed Use (IOMU)
Industrial Office Mixed Use (IOMU) (14 to 35 units per gross acre)
ML
Light Manufacturing/Industrial
Manufacturing and Warehousing (M&W) Industrial Office Mixed Use (IOMU) (7 to 14 units per gros acre) (3)
MG
General Manufacturing/ Industrial
Manufacturing and Warehousing (M&W)
Airport Zoning Districts
A
Aviation
Public Facilities and Services (PFS)
AC
Airport Commercial
Commercial Services (CS)
AM
Airport Manufacturing/Industrial
Manufacturing and Warehousing (M&W)
AP
Airport Public Facilities
Public Facilities and Services (PFS)
Special Purpose Zoning Districts
SPA
Special Planning Area
Varies according to General Plan land plan for each SPA, zoning districts shall be consistent with conceptual land use plan
PQ
Public/Quasi Public Facilities
Public facilities and services (PFS)
OS1
Primary Open Space
Primary Open Space (POS)
OS2
Secondary Open Space
Secondary Open Space (SOS)
Overlay Zoning Districts
-AE
Airport Environs
Varies according to General Plan policies
-AO
Airport Overflight
Varies according to General Plan policies
-L
Landmark
All designations
-PD
Planned Development
All designations
-RC
Resource Constraint
Resource Constraint Overlay (RCO)
-COS
Corridor Opportunity Site
Varies according to General Plan designation and primary zoning district
-SD
Special Design Considerations
Varies according to Title 19
-FS
Fraternity and Sorority
Medium-High Density Residential -14.01 to 22 units per gross acre and High Density Residential -14.01 to 35 units per gross acre
-FD
Foothill Development
Varies according to General Plan designation
-VE
Valley’s Edge
All designations
 
Notes:
(1)   A zoning district may implement and be consistent with more than one General Plan land use designation.
(2)   When located within a Corridor Opportunity Site, permitted residential uses have a maximum density of 70 dwelling units per gross acre.
(3)   If residential uses are incorporated horizontally, the minimum density shall be met, but if integrated vertically, there is no minimum density requirement.
(4)   When located Downtown or within a Corridor Opportunity Site, permitted residential uses have a maximum density of 60 dwelling units per gross acre.
(5)   There is no minimum density requirement for live/work units or caretaker housing.
(Ord. 2427 §10, Ord. 2440 §22, Ord. 2494, §17; Ord. 2583, §4; Ord. 2600)