§ 82.04.060  Residential Land Use Zoning District Site Planning and Building Standards.
   Subdivisions, new land uses and structures, and alterations to existing land uses and structures shall be designed, constructed, and established in compliance with the requirements in Tables 82-9A, 82-9B and 82-9C, in addition to the applicable standards (e.g., landscaping, parking and loading, etc.) in Division 3 (Countywide Development Standards) and Division 4 (Standards for Specific Land Uses and Activities).
 
Table 82-9A
Residential Land Use Zoning District Development Standards
Valley Region
Development Feature
Requirement by Land Use Zoning District
RL Rural Living
RS Single Residential
RM Multiple Residential
Density
Maximum housing density.  The actual number of units allowed will be determined by the County through subdivision or planning permit approval, as applicable.
   Maximum density
1 unit per 2.5 acres(1); accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
4 units per acre(1); accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
20 units per acre; accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
Setbacks
Minimum setbacks required.  See Chapter 83.02 for exceptions, reductions, and encroachments.  See Division 5 for any setback requirements applicable to specific land uses.
   Front
25 ft.
25 ft.(2)
25 ft.(2)
   Side - Street side
Local street - 15 ft.; Collector or wider - 25 ft.
Local street - 15 ft.; Collector or wider - 25 ft.
Local street - 15 ft.; Collector or wider - 25 ft.
   Side - Interior (each)
Lot 75 wide or less - 5 ft. on one side, 10 ft. on other; Other lots - 15 ft.
5 ft. on one side, 10 ft. on other
5 ft. on one side, 10 ft. on other
   Rear
15 ft.
15 ft.
15 ft.
Lot coverage
Maximum percentage of the total lot area that may be covered by structures and impervious surfaces.
   Maximum coverage
20 percent
Lot less than 20,000 sq. ft - Entire building envelope(3); Lot of 20,000 sq. ft. or larger - 40 percent(4)
60 percent
Height limit
Maximum allowed height of structures.  See § 83.02.040 (Height Limits and Exceptions) for height measurement requirements, and height limit exceptions.
   Maximum height
35 ft.
35 ft.
45 ft.
Accessory structures
See Chapter 84.01 (Accessory Structures and Uses).
Infrastructure
See Chapter 83.09 (Infrastructure Improvement Standards).
Parking
See Chapter 83.11 (Parking Regulations).
Signs
See Chapter 83.13 (Sign Regulations).
Notes:
(1)   Map suffix may modify.
(2)   A Final Map or Parcel Map may establish front yard setbacks of no less than 22 feet, provided that the average setback of all parcels in the subdivision is 25 feet.
(3)   Setback, Building Code, and Composite Development Plan requirements still apply.
(4)   The maximum lot coverage allowed in Chapter 82.06, Table 82-21A will prevail for allowed institutional land uses.
 
 
Table 82-9B
Residential Land Use Zoning District Development Standards
Mountain Region
Development Feature
Requirement by Land Use Zoning District
RL Rural Living
RS Single Residential
RM Multiple Residential
Density
Maximum housing density.  The actual number of units allowed will be determined by the County through subdivision or planning permit approval, as applicable.
   Maximum density
1 unit per 2.5 acres(1); accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
4 units per acre(1); accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
20 units per acre; accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
Setbacks
Minimum setbacks required.  See Chapters 83.02 for exceptions, reductions, and encroachments.  See Division 5 for any setback requirements applicable to specific land uses.
   Front
25 ft.
Lot less than 14,000 sq. ft. = 15 ft.; lots 14,000 sq. ft. or larger = 25 ft.
Lot less than 14,000 sq. ft. = 15 ft.; lots 14,000 sq. ft. or larger = 25 ft.
   Side - Street side
25 ft.
15 ft.
15 ft.
   Side - Interior (each)
20 ft.
20 percent of lot width, need not exceed 15 ft.(2)
20 percent of lot width, need not exceed 15 ft.(2)
   Rear
20 ft.
15 ft.
15 ft.
   Accessory structures
See Chapter 84.01 (Accessory Structures and Uses)
Lot coverage
Maximum percentage of the total lot area that may be covered by structures and impervious surfaces.
   Maximum coverage
20 percent
40 percent(3)
60 percent
Height limit
Maximum allowed height of structures.  See § 83.02.040 (Height Limits and Exceptions) for height measurement requirements, and height limit exceptions.
   Maximum height
35 ft.
35 ft.
45 ft.
Accessory structures
See Chapter 84.01 (Accessory Structures and Uses).
Infrastructure
See Chapter 83.09 (Infrastructure Improvement Standards).
Parking
See Chapter 83.11 (Parking Regulations).
Signs
See Chapter 83.13 (Sign Regulations).
Notes:
(1)   Map suffix may modify.
(2)   The side yard setback standards in the Fire Safety Overlay (Chapter 82.13) shall prevail.
(3)   The maximum lot coverage allowed in Chapter 82.06, Table 82-21B will prevail for allowed institutional land uses.
 
 
Table 82-9C
Residential Land Use Zoning District Development Standards
Desert Region
Requirement by Land Use Zoning District
Development Feature
RL Rural Living
RS Single Residential
RM Multiple Residential
Density
Maximum housing density.  The actual number of units allowed will be determined by the County through subdivision or planning permit approval, as applicable.
   Maximum density
1 unit per 2.5 acres(1); accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
4 units per acre(1); accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
20 units per acre; accessory dwellings as allowed by Chapter 84.01 (Accessory Structures and Uses)
Setbacks
Minimum setbacks required.  See Chapter 83.02 for exceptions, reductions, and encroachments.  See Division 5 for any setback requirements applicable to specific land uses.
   Front
25 ft.
25 ft.(2)
25 ft.(2)
   Side - Street side
25 ft.
Local street - 15 ft.(3); Collector or wider - 25 ft.
Local street - 15 ft.; Collector or wider - 25 ft.
   Side - Interior (each)
Lot 75 wide or less - 5 ft. on one side, 10 ft. on other; Other lots - 15 ft.
5 ft. on one side, 10 ft. on other(4)
5 ft. on one side, 10 ft. on other
   Rear
15 ft.
15 ft.
15 ft.
   Accessory structures
See Chapter 84.01 (Accessory Structures and Uses)
Lot coverage
Maximum percentage of the total lot area that may be covered by structures and impervious surfaces.
   Maximum coverage
20 percent
Lot less than 20,000 sq. ft. - Entire building envelope(5) Lot of 20,000 sq. ft. or larger - 40 percent(6)
60 percent
Height limit
Maximum allowed height of structures.  See § 83.02.040 (Height Limits and Exceptions) for height measurement requirements, and height limit exceptions.
   Maximum height
35 ft.
35 ft.
45 ft.
Accessory structures
See Chapter 84.01 (Accessory Structures and Uses).
Infrastructure
See Chapter 83.09 (Infrastructure Improvement Standards).
Parking
See Chapter 83.11 (Parking Regulations).
Signs
See Chapter 83.13 (Sign Regulations).
Notes:
(1)   Map suffix may modify.
(2)   A Final Map or Parcel Map may establish front yard setbacks of no less than 22 feet, provided that the average setback of all parcels in the subdivision is 25 feet.
(3)   This setback shall be 25 feet in the Phelan-Pinon Hills Community Plan area.
(4)   This setback shall be 10 feet on both sides in the Phelan-Pinon Hills Community Plan area.
(5)   Setback, Building Code, and Composite Development Plan requirements still apply.
(6)   The maximum lot coverage allowed in Chapter 82.06, Table 82-21C will prevail for allowed institutional land uses.
 
(Ord. 4011, passed - -2007; Am. Ord. 4043, passed - -2008; Am. Ord. 4057, passed - - 2008; Am. Ord. 4121, passed  - -2010; Am. Ord. 4393, passed - -2020)