19.42.020 Form and intensity standards for residential zones

19.42.020 Form and intensity standards for residential zones.

The following table describes the form and intensity standards in residential zones. Supplemental form and intensity standards apply to the Old Town zone per AMC 19.42.160.

Table 19.42.020
Form and intensity standards for residential use.
Measure	R1	R2	R2A	R3	R3A	R4	R4A	OT	Conditions/Reference
LOT SIZE AND DEVELOPMENT INTENSITY
Lot size for single-family dwelling, minimum (square feet) (AMC 19.42.080)	15,000	7,500	6,000	4,500	3,000	3,000	3,000	6,000	See AMC 19.43.010(C) for standards for lots <5,000 sq. ft.
Lot size for duplex, minimum (square feet) (AMC 19.42.080)		9,000	9,000	7,500	5,000	4,200	4,200	7,500	See AMC 19.43.010(E) for duplex standards.
Additional lot size needed for additional dwelling unit beyond duplex, minimum (square feet) (AMC 19.42.080)				2,500	2,000		1,200		See AMC 19.43.010(F) and (G) for applicable housing type standards.
Minimum lot width circle									Applies to each newly created lot in residential zones. See AMC 19.42.090 for minimum lot width circle calculation and exceptions.
Lot with alley access (feet)	100	60	50	35	25	25	25	45
Lot without alley access (feet)	100	60	50	40	30	30	30	50
Density maximum (dwelling units/gross acre)	2	4	6	See lot size min. above		None	18	9	See AMC 19.42.100 for calculating density.
Lot coverage, maximum percentage	35%	35%	40%	50%	50%	50%	50%	35% ^(X)	See AMC 19.42.110 for clarification of lot coverage standards. ^(X) See AMC 19.42.160(A) for additional lot coverage standards in the OT zone.
Landscaped area, minimum percentage	20%	20%	20%	20%	20%	20%	20%	20%	See AMC Chapter 19.65 for landscaping standards.
HEIGHT—PRINCIPAL STRUCTURES
Height, maximum (feet)	35	35	35	35	35	40	35	25 ^(X)	See AMC 19.42.120 for building height exceptions and modifications. ^(X)See AMC 19.42.160(B) for height exceptions in the OT zone.
Height, maximum with bonus						50			See AMC 19.42.050 for building height bonuses in the R4 zone.
SETBACKS (feet)
NOTE: The setbacks below apply to principal and accessory structures, except where accessory structure setbacks are modified by AMC 19.47.020(B). NOTE: For multifamily projects, also see AMC 19.62.030, Relationship to adjacent properties.
Street setback, minimum	20	20	20	20	20	10	10	20	AMC 19.42.130(B)
Street setback—garage, minimum	25	20	20	20	20	20	20	25 ^(X)	AMC 19.42.130(B) AMC 19.42.150(B) ^(X)See AMC 19.42.160(D) for additional garage setback standards in the OT zone.
Side street setback, minimum	20	10	10	10	10	10	10	10 ^(X)	AMC 19.42.130(B) ^(X)See AMC 19.42.160(C) for additional setback standards in the OT zone.
Interior side setback, minimum	10	5	5	5	5	5	5	5 ^(X)	AMC 19.42.130(C) ^(X) See AMC 19.42.160(C) for additional setback standards in the OT zone.
Interior side setback—upper floors, minimum	10	7.5	7.5	7.5	7.5	7.5	7.5	7.5	AMC 19.42.130(D)
Rear setback, minimum	20	20	20	20	20	10	10	20	AMC 19.42.130(E)

(Ord. 3040 § 2 (Att. A), 2019)