The uses allowed in residential districts shall be as shown in Table 17.28.010-1. These uses include:
A. 
Permitted Use (P). Uses that are shown with a "P" shall be permitted, subject to obtaining a zoning clearance, as provided in Section 17.48.030, as well as any building permits or other permits required by this Code.
B. 
Administrative Permit Required (AP). Uses that are shown with an "AP" shall be subject to obtaining an administrative permit, as provided in Section 17.48.020.
C. 
Use Permit Required (UP). Uses that are shown with a "UP" shall be subject to obtaining a use permit, as provided in Section 17.48.010.
D. 
Use-Specific Regulations (S). Uses that are shown with an "S" shall be subject to permit requirements as provided in the specific regulations for that use. The table indicates where the use-specific regulations are located in this Code.
E. 
Use Not Allowed (—). Uses that are shown with a "—," or that are not listed, shall not be allowed, except as provided in Sections 17.08.090 and 17.48.090.
Table 17.28.010-1
Allowed Uses in Residential Districts
Key
P
Permitted use, subject to zoning clearance
A
Administrative permit required
UP
Use permit required
S
See use-specific regulations for permit requirement
Use not allowed
Zoning Districts
Land Use
UR-10
UR-5
RA
RR-1
RR-20
RR-10
RL
R-1
R-2
R-3
R-4
RP
Use-Specific Regulations
Public Assembly
Library or museum
P
P
P
P
P
P
P
P
P
P
Meeting facility—10,000 square feet or less of gross floor area
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Meeting facility—more than 10,000 square feet of gross floor area
UP
UP
UP
UP
UP
Park or playground
P
P
P
P
P
P
P
P
P
P
School, private— elementary, middle or high school
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
School, public
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Residential
Animal keeping, noncommercial
P
P
P
P
P
P
P
P
P
P
P
P
17.16.120
Boardinghouse
UP
UP
UP
Duplex
P
P
P
P
Emergency shelter
P
P
17.16.210
Family day care, large
S
S
S
S
S
S
S
S
S
S
S
S
17.16.050
Family day care, small
P
P
P
P
P
P
P
P
P
P
P
P
17.16.050
Home occupation, low-impact
P
P
P
P
P
P
P
P
P
P
P
P
17.16.040
Home occupation, moderate-impact
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
17.16.040
Mobile home park
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Multiple-family dwellings
P
P
P
P
Residential care facility—6 units or fewer
P
P
P
P
P
P
P
P
P
P
P
P
Residential care facility—7 units or more
UP
UP
 
Second dwelling unit
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
17.16.010
Single-family dwelling, attached
P
P
P
P
Single-family dwelling, detached
P
P
P
P
P
P
P
P
P
Single-family manufactured home not on permanent foundation
P
P
Single-family manufactured home on permanent foundation
P
P
P
P
P
P
P
P
P
Single-room occupancy
UP
UP
Temporary use of mobile home or recreational vehicle as single-family dwelling unit
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
AP
17.16.060
Transitional housing
UP
UP
Animal grooming
UP
17.16.120
Bed and breakfast
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Child day care center
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
Mortuary
UP
Office—professional
P
Outpatient services
Substance abuse counseling
Temporary uses
S
S
S
S
S
S
S
S
S
S
S
S
17.16.060
Local Food Uses
Agriculture
P
P
P
-
-
-
-
-
-
-
-
-
17.16.100
(Agricultural uses)
Neighborhood food and beverage sales
AP
-
-
-
-
-
AP
AP
AP
AP
AP
AP
17.16.220
(Neighborhood food and beverage sales)
Urban agriculture
S
S
S
S
S
S
S
S
S
S
S
S
17.16.230
(Urban agriculture)
Transportation and Infrastructure
Public safety facility
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
 
Solar energy system, Tier 1
P
P
P
P
P
P
P
P
P
P
P
P
17.16.180
(Solar energy systems)
Solar energy system, Tier 2
-
-
-
-
-
-
-
-
-
UP
UP
UP
17.16.180
(Solar energy systems)
Solar energy system, Tier 3
-
-
-
-
-
-
-
-
-
-
-
-
17.16.180
(Solar energy systems)
Utility building or substation
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
UP
 
(Ord. 1749 § 4; Ord. 1763 § 20; Ord. 1775 § 6; Ord. 1778 § 3; Ord. 1784 § 6; Ord. 1804 § IX, 2014; Ord. 1819 § 6, 2017; Ord. 1830 § 5, 2018; Ord. 1850 § 2, 2021)
Development standards for residential districts shall be as shown in Table 17.28.020-1 and Table 17.28.020-2.
Table 17.28.020-2
Development Standards for UR-10, UR-5, RA, RR-1, RR-20 and RR-10 Districts
Development Standard
UR-10
UR-5
RA
RR-1
RR-20
RR-10
Lot Area, Minimum
10 acres1
5 acres2
2 acres
1 acre
20,000 sq. ft.
10,000 sq. ft.
Lot Width, Minimum
330 feet
250 feet
150 feet
125 feet
100 feet
80 feet
Height, Maximum3
40 feet
40 feet
40 feet
40 feet
40 feet
35 feet
Setbacks, Minimum
Front
20 feet4
20 feet4
20 feet4
20 feet4
20 feet 4
20 feet4
Side
10 feet
10 feet
10 feet
10 feet
10 feet
10 feet
Rear
20 feet
20 feet
20 feet
20 feet
20 feet
20 feet
Site Coverage, Maximum
20,000 sq. ft.
15,000 sq. ft.
12,000 sq. ft.
10,000 sq. ft.
40% or 8,000 sq. ft., whichever is greater
40% or 6,000 sq. ft., whichever is greater
1
See Section 17.28.020 for additional provisions regarding the measurement of lot area.
2
See Section 17.28.030 for additional provisions regarding the measurement of lot area.
3
Maximum heights apply to main buildings or structures. Height restrictions for accessory structures are in Section 17.12.070.
4
See Section 17.12.040 for additional provisions regarding setbacks.
Table 17.28.020-2
Development Standards for RL, R-1, R-2, R-3, R-4, and RP Districts
Development Standard
RL
R-15,6
R-2
R-3
R-4
RP
Lot Area, Minimum
Interior lot
8,000 sq. ft.
5,000 sq. ft.2
3,000 sq. ft.2
2,200 sq. ft.2
2,000 sq. ft.2
2,200 sq. ft.2
Corner lot
8,000 sq. ft.
6,000 sq. ft.2
4,000 sq. ft.2
3,000 sq. ft.2
2,500 sq. ft.2
3,000 sq. ft.2
Density, Minimum
As specified in General Plan
As specified in General Plan
As specified in General Plan
As specified in General Plan
As specified in General Plan
As specified in General Plan
Lot Width, Minimum
Interior lot
80 ft.
50 ft.
40 ft.
35 ft.
30 ft.
35 ft.
Corner lot
80 ft.
60 ft.
50 ft.
45 ft.
40 ft.
45 ft.
Height, Maximum3
30 ft.
30 ft.
35 ft.
45 ft.
50 ft.
45 ft.
Setbacks, Minimum1
Front
20 ft.
15 ft.; 20 ft. for garages
10 ft.; 20 ft. for garages
10 ft.; 20 ft. for garages
10 ft.; 20 ft. for garages
10 ft.; 20 ft. for garages
Side, interior lot
5 feet4
5 feet4
5 feet4
5 feet4
5 feet4
5 feet4
Side, corner lot
5 ft.; 10 ft. along any street frontage4
5 ft.; 10 ft. along any street frontage4
5 ft.; 10 ft. along any street frontage4
5 ft.; 10 ft. along any street frontage4
5 ft.; 10 ft. along any street frontage4
5 ft.; 10 ft. along any street frontage4
Rear
20 ft.
20 ft.
20 ft.
20 ft.
20 ft.
20 ft.
Minimum distance between detached buildings in dwelling group
10 ft.
10 ft.
10 ft.
10 ft.
Site Coverage, Maximum
40%
50%
60%
65%
70%
65%
Courtyards, Minimum Width
Enclosed by buildings on no more than 2 sides
10 ft.
10 ft.
10 ft.
10 ft.
Enclosed by buildings on 3 or more sides
20 ft.
20 ft.
20 ft.
20 ft.
1
See Section 17.12.040 for additional provisions regarding setbacks.
2
The number of dwelling units constructed on a site shall not exceed the density permitted by the applicable general plan land use designation, except in cases where state law provides an exemption from this requirement, including second dwelling units and density bonus units.
3
Maximum heights apply to main buildings or structures. Height restrictions for accessory structures are in Section 17.12.070.
4
Where a side setback area provides access to a dwelling group, the minimum required side setback shall be 12 feet.
5
For sites in R-1 districts with less than the minimum lot area, the maximum site coverage shall be 2,000 square feet, except that in the South Oroville neighborhood area depicted in Figure 17.28.020-01, maximum lot coverage shall be 50%.
6
For existing R-1 zoned lots in the South Oroville area depicted in Figure 17.28.020-01 which do not meet minimum lot dimension or area requirements, the following shall apply:
Interior Side Yard Setbacks for Main Structure: Minimum of 3 feet, with an aggregate of minimum of 8 feet (e.g., if one side yard is 3 feet, the other must be a minimum of 5 feet).
Rear Yard Setbacks for Main Structures: 15 feet.
Attached garages accessed from the street must be set back from the main building façade by at least 3 feet.
Single-Car garages with tandem parking may be used to meet on-site parking requirements.
-Image-42.tif
(Ord. 1749 § 4; Ord. 1763 § 21; Ord. 1769 § 8; Ord. 1870 §§ 1,2, 2022)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in a UR-10 district:
A. 
Intent. To retain land for the future growth of the city that may also be used for residential and agricultural purposes.
B. 
Use Regulations. The allowed uses in UR-10 districts shall be as specified in Section 17.28.010.
C. 
Development Standards.
1. 
The development standards in UR-10 districts shall be as specified in Section 17.28.020.
2. 
In UR-10 districts, the lot area shall include detention basins, as well as the area between any lot line and the centerline of an adjacent street right-of-way.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in a UR-5 district:
A. 
Intent. To retain land for the future growth of the city that may also be used for residential and agricultural purposes.
B. 
Use Regulations. The allowed uses in UR-5 districts shall be as specified in Section 17.28.010.
C. 
Development Standards.
1. 
The development standards in UR-5 districts shall be as specified in Section 17.28.020.
2. 
In UR-5 districts, the lot area shall include detention basins, as well as the area between any lot line and the centerline of an adjacent street right-of-way.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an RA district:
A. 
Intent. To provide areas within the city where development is limited to provide areas conducive to agricultural uses.
B. 
Use Regulations. The allowed uses in RA districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in RA districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an RR-1 district:
A. 
Intent. To provide an environment conducive to rural living by limiting development to low-density concentrations of single-family dwellings on large parcels of land.
B. 
Use Regulations. The allowed uses in RR-1 districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in RR-1 districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an RR-20 district:
A. 
Intent. To provide an environment conducive to rural living by limiting development to low density concentrations of single-family dwellings on large parcels of land.
B. 
Use Regulations. The allowed uses in RR-20 districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in RR-20 districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an RR-10 district:
A. 
Intent. To provide an environment conducive to rural living by limiting development to low-density concentrations of single-family dwellings on large parcels of land.
B. 
Use Regulations. The allowed uses in RR-10 districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in RR-10 districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an RL district:
A. 
Intent. To provide living areas within the city where development provides for low density concentrations of single-family dwellings or mobile homes.
B. 
Use Regulations. The allowed uses in RL districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in RL districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an R-1 district:
A. 
Intent. To provide living areas within the city where development is limited to low densities, either as part of a conventional subdivision or in other forms such as a cluster development, and where regulations are designed to promote and encourage a suitable environment for family living; provide open space for community facilities needed to complement urban residential areas; and provide opportunities for housing in varied types and styles.
B. 
Use Regulations. The allowed uses in R-1 districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in R-1 districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an R-2 district:
A. 
Intent. To provide living areas within the city where development provides for medium-density concentrations of dwelling units in varying housing types and styles.
B. 
Use Regulations. The allowed uses in R-2 districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in R-2 districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an R-3 district:
A. 
Intent. To provide living areas within the city where development provides for high-density concentrations of dwelling units in various types and styles of housing.
B. 
Use Regulations. The allowed uses in R-3 districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in R-3 districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an RP district:
A. 
Intent. This district is intended to provide opportunities for the location of professional offices in close relationship to one another and to residential neighborhoods.
B. 
Use Regulations. The allowed uses in RP districts shall be as specified in Section 17.28.010.
C. 
Development Standards. The development standards in RP districts shall be as specified in Section 17.28.020.
(Ord. 1749 § 4)
In addition to all other provisions of this title, including, but not limited to, the development standards in Chapter 17.12 and the development review requirements in Chapter 17.52, the following provisions shall apply in an R-4 district:
A. 
Intent. To provide living areas within the city where development provides for very high-density concentrations of dwelling units in various types and styles of housing.
B. 
Use Regulations. The allowed uses in R-4 districts shall be specified in Section 17.28.010.
C. 
Development Standards. The development standards in R-4 districts shall be as specified in Section 17.28.020.
(Ord. 1763 § 22)