The standard subdivision type is intended to provide a development option with the following features:
(A) 
Land use: 100 percent residential.
(B) 
Applicability: residential subdivisions of all sizes that may or may not require new streets.
(C) 
Pedestrian Network.
(1) 
Safe and efficient pedestrian circulation within the subdivision.
(2) 
Safe and efficient pedestrian accessibility to perimeter streets.
(D) 
Vehicular Network.
(1) 
Connectivity to adjacent development, adjacent undeveloped parcels, and the existing street network.
(2) 
Large radius corners and curves.
(E) 
Site Feature Preservation.
(1) 
Strive to save existing quality tree stands.
(F) 
Incentives.
(1) 
Density bonus for anti-monotony.
(2) 
Density bonus for added open space.
(Ord. 1746-2023; Ord. 1352-2010; Ord. 1286-2008; UDO § 6.01)
The intensity and density bonus listed in the table below preempts the corresponding development standards listed for each zoning district in Division II of this title, Zoning Districts, when a subdivision is designed and implemented using the anti-monotony standard in Chapter 18.156 AMC, Design Standards.
Only the zoning districts shown in the table below are applicable for an intensity and/or density bonus.
Standard Subdivision Intensity and Density Bonus for Anti-Monotony Compliance
Zoning District
ER
R1
R2
R3
R4
Lot Standards
Min. Lot Area
35,000 sq. ft.
17,000 sq. ft.
8,000 sq. ft.
6,000 sq. ft.
10,000 sq. ft.
Min. Average Lot Area
39,000 sq. ft.
19,000 sq. ft.
9,200 sq. ft.
6,800 sq. ft.
11,000 sq. ft.
Min. Lot Width
170 ft.
90 ft.
75 ft.
55 ft.
55 ft.
Setback Standards
Min. Front Setback
90 ft.
30 ft.
25 ft.
22 ft.
25 ft.
Min. Side Setback
25 ft.
7 ft.
5 ft.
5 ft.
12 ft.
Min. Rear Setback
25 ft.
18 ft.
18 ft.
12 ft.
18 ft.
Min. Building Separation
10 ft.
10 ft.
10 ft.
10 ft.
10 ft.
Other Standards
Max. Lot Coverage
25%
40%
45%
68%
55%
Min. Dwelling Unit Size
1,800
1,200 sq. ft.
1,000 sq. ft.
1,000 sq. ft.
1,000 sq. ft.
Maximum Density
0.9 du/acre
1.8 du/acre
3.8 du/acre
5 du/acre
5.5 du/acre
(Ord. 1746-2023; Ord. 1352-2010; Ord. 1286-2008; UDO § 6.03)
(A) 
Required open space: 15 percent.
(B) 
Minimum perimeter landscaping: 25 feet along perimeter streets that shall be common area; 10 feet along all other perimeters; zero feet if abutting another ST, CS, or ZL subdivision.
(C) 
Minimum block length: 140 feet.
(D) 
Maximum block length: 1,000 feet.
(E) 
Minimum cul-de-sac length: 140 feet.
(F) 
Maximum cul-de-sac length: 600 feet.
(G) 
Minimum ROW on local streets: 60 feet.
(H) 
Design speed: 20 to 30 miles per hour.
(I) 
Minimum street width: 32 feet.
(J) 
Curb: rolled or vertical curb required.
(K) 
On-street parking: required on at least one side.
(L) 
Minimum tree plot width: five feet.
(M) 
Minimum Sidewalk/Sidepath Width.
(1) 
Five-foot sidewalks/sidepaths along both sides of streets. If the sidewalk/sidepath is curb-faced, the sidewalk width shall be six feet.
(Ord. 1746-2023; Ord. 1352-2010; Ord. 1286-2008; UDO § 6.04)
(A) 
Development name: AMC § 18.156.040.
(B) 
Dedication of public improvement: AMC § 18.156.050.
(C) 
Easement: AMC § 18.156.060.
(D) 
Entryway feature: AMC § 18.156.070.
(E) 
Erosion control: AMC § 18.156.080.
(F) 
Floodplain: AMC § 18.156.090.
(G) 
Incentive: AMC § 18.156.100.
(H) 
Lot establishment: AMC § 18.156.120.
(I) 
Monument and marker: AMC § 18.156.150.
(J) 
Open space: AMC § 18.156.156.
(K) 
Owners' association: AMC § 18.156.170.
(L) 
Pedestrian network: AMC § 18.156.180.
(M) 
Perimeter landscaping: AMC § 18.156.190.
(N) 
Prerequisite standards: AMC § 18.156.200.
(O) 
Stormwater standards: AMC § 18.156.210.
(P) 
Street and access: AMC § 18.156.220, § 18.156.230, § 18.156.240, § 18.156.260, § 18.156.270 and § 18.156.290.
(Q) 
Street lighting: AMC § 18.156.300.
(R) 
Surety: AMC § 18.156.330.
(S) 
Utility standards: AMC § 18.156.340.
(Ord. 1746-2023; Ord. 1352-2010; Ord. 1286-2008; UDO § 6.04)