19.42.030 Residential zone general development standards.

   The requirements in Tables 4-3A, 4-3B and 4-3C shall apply to new land uses and structures, and alterations to existing land uses and structures, in addition to any applicable development standards (such as landscaping, parking and loading) in Division V.

(Ord. 2185; Ord. 2223; Ord. 2243; Ord. 2263; Ord. 2378, Ord. 2427 §14, Ord. 2511, §10)

TABLE 4-3A
RESIDENTIAL ZONE GENERAL DEVELOPMENT STANDARDS

Development Feature	Requirement by Zoning DIstrict
	RS
Minimum Lot Size	Determined by Section 19.42.040(A) (Minimum lot area and density).
Minimum area
Minimum width at front setback line	80 ft. in RS-20; 100 ft. elsewhere. See the subdivision regulations for cul-de-sac lots.
Residential Density	0.2 to 2 units per acre for subdivisions. One single-family unit per lot, and up to one detached ADU and one JADU in compliance with Section 19.76.130; or, a two-family housing/duplex use in compliance with Section 19.76.220.
Setbacks Required	20 ft.
Front
Sides (each)	10 ft. in RS-20; 20 ft. elsewhere.
Street side
Rear	20 ft. in RS-20; 30 ft. elsewhere
Accessory structures	See Section 19.76.020 (accessory uses and structures)
Site Coverage (1)	40%
Height Limits	35 ft. for housing units; 15 ft. for accessory structures; 25 ft. for accessory structures, with use permit approval; 15 feet for detached garages; 25 ft. for garages with an ADU above; 25 ft. for garages without an ADU above, with administrative use permit approval.

 

Notes:

(1)   Maximum percentage of site area that may be covered with structures (see the definition of site coverage in Chapter 19.04).

TABLE 4-3B
RESIDENTIAL ZONE GENERAL DEVELOPMENT STANDARDS

Development Feature	Requirement by Zoning District
	R1	R2
Minimum Lot Size    Minimum Area	Interior lots: 4,500 sq.ft., or as determined by Section 19.42.040 -A. Corner lots: 5,500 sq.ft., or as determined by Section 19.42.040 -A. Small lot subdivisions: 3,500 to 4,499 sq.ft., in compliance with Section 19.76.150 . Parcels smaller than 3,500 sq.ft. may be created through PD permit approval (Chapter 19.28) or an urban lot split (Section 19.76.220).	Interior lots: 4,000 sq.ft.; 3,960 sq.ft. with parkways. Corner lots: 4,400 sq.ft.; 4,250 sq.ft. with parkways.
Minimum width at front setback line	For R1: 45 ft., interior lots; 50 ft., corner lots. For R1-10 & R1-15: 70 ft. interior lots; 75 ft. corner lots. See Title 18R , Design Criteria and Improvement Standards, for cul-de-sac lots. Lesser width is required for lots created by an urban lot split (Section 19.76.220 ).	40 ft. interior lots, 48 ft. corner lots.
Residential Density (affordable housing projects, refer to (2))	2.1 minimum, 7 units maximum per acre for subdivisions. One single-family unit, JADU, and detached ADU per lot in compliance with Section 19.76.130; or, a two-family housing/duplex use in compliance with Section 19.76.220.	6 to 14 units per acre
Setbacks Required    Front	Lots of 4,500 sq.ft. or more: 15 ft. for main buildings and 20 ft. for garages/carports. Lots of 3,500 - 4,499 sq.ft.: See Section 19.76.150 (Small-lot subdivisions). Lots less than 3,500 sq.ft.: See Section 19.76.220 (Urban Lot Split).	10 ft. for main buildings; 20 ft. for garages/carports unless the garage is accessed from a side entrance which does not result in vehicles blocking the public right-of-way and is approved by the Director. None required for condominiums, townhouses, and similar housing types.
Sides (each)	4 ft.; 10 ft. for R1-10 and R1-15	4 ft.; plus 5 ft. additional for each story over the first where the setback abuts an RS or R1 district.
Street side	10 ft. for main buildings; 20 ft. for garages/carports; 9 ft. for main buildings on lots with parkways.	10 ft. for main buildings; 20 ft. for garages/carports.
Rear	15 ft. for main buildings. Lots of 3,500 - 4,499 sq.ft.: See Section 19.76.150 (Small-lot subdivisions). Lots less than 3,500 sq.ft.: See Section 19.76.220 (Urban Lot Split).	15 ft. for main buildings; plus 5 ft. additional for each story over first where setback abuts RS or R1 zone.
Accessory structures	See Section 19.76.020 (Accessory uses and structures).
Site Coverage (see definitions in Chapter 19.04)	50% single-story primary housing units; 40% multi-story primary housing units; 50% R1-10, and R1-15.	60%
Minimum Open Space	Not applicable.	40%
Height Limits	35 ft. for primary housing units; 15 ft. for accessory structures; 25 ft. for accessory structures, with use permit approval; 25 ft. for garages with an ADU above 25 ft. for detached garages without an ADU above.	35 ft. for primary housing units; 15 ft. for accessory structures; 25 ft. for accessory structures, with use permit approval; 25 ft. for garages with an ADU above; 25 ft. for detached garages without an ADU above, with a minimum setback distance of 10 feet from all property lines.

 

Notes:

(1)   Maximum percentage of site area that may be covered with structures.

(2)   Where the allowable density is 20 or 22 dwelling units per acre, multi-family residential uses may be permitted to develop up to 30 dwelling units per acre when at least 15% of the units are deed restricted housing affordable to low-income households at or below 80% of AMI.

(Ord. 2435 §43, Ord. 2494, §21, Ord. 2511, §10; Ord. 2549, §6; Ord. 2850, §9; Ord. 2600)

TABLE 4-3C
RESIDENTIAL ZONE GENERAL DEVELOPMENT STANDARDS

	Requirement by Zoning District
Development Feature	R3	R4	RMU
Minimum Lot Size    Minimum area	Interior lots: 4,000 sq.ft.; 3,960 sq.ft. w/parkway. Corner lots: 4,400 sq.ft., 4,250 sq.ft. w/parkways.	7,500 sq.ft.
Minimum width at front setback line	Interior lots: 45 ft. Corner lots: 50 ft.	75 ft.
Residential Density (affordable housing projects, refer to (3))	14.1 to 22 units per acre	20 to 70 units per acre	10 to units per acre
Setbacks Required    Front	10 ft. for main buildings; 20 ft. for garages/carports.	10 ft. for main buildings; 20 ft. for garages/carports.
Sides (each)	5 ft.; plus 5 ft. additional for each story over the first where setback abuts an RS or R1 district.
Street side	10 ft. for main buildings; 20 ft. for garages/carports.
Rear	15 ft. for main buildings; plus 5 ft. additional for each story over the first where setback abuts an RS or R1 district.	10 ft. for main buildings where rear yard abuts alley; 15 ft. elsewhere; plus 5 ft. additional for each story over the first where setback abuts an RS or R1 district.
Accessory structures	See Section 19.76.020 (Accessory uses and structures).
Site Coverage (1)	65%	75%
Minimum Open Space (2)	Determined through Design Review.
Height Limits	45 ft. for primary housing units; 15 ft. for accessory structures and detached garages; 25 ft. for accessory structures and detached garages, with a minimum setback distance of 10 feet from all property lines.	85 ft. for primary housing units in the R4 district; 45 feet for primary housing in the RMU district, and up to 65 feet in the Corridor and Downtown Opportunity Site overlay zones: 15 ft. for accessory structures; 25 ft. for accessory structures with use permit approval; 25 ft. for detached garages with a second floor dwelling unit; 25 ft. for detached garages without a second floor dwelling unit, with a minimum setback distance of 10 feet from all property lines.

 

Notes:

(1)   Maximum percentage of site area that may be covered with structures (see the definition of site coverage in Chapter 19.04).

(2)   Minimum usable common or individual outdoor open space area.

(3)   Where the allowable density is 20 or 22 dwelling units per acre, multi-family residential uses may be permitted to develop up to 30 dwelling units per acre when at least 15% of the units are deed restricted housing affordable to low-income households at or below 80% of AMI.

(Ord. 2427 §14, Ord. 2494 §21, Ord. 2511, §10; Ord. 2600)