20 URBAN RESIDENTIAL UR DISTRICT
District | Density Requirements | Minimum Lot Size | Maximum Lot Size | Min. Reserve Area (Cluster Subdivisions) | |
|---|---|---|---|---|---|
Conventional | Cluster | Cluster Lots | |||
UR: all densities without public sewer and water | Maximum gross density: 1 dwelling unit/10 acres | N/A* | 8,000 sq. ft. | 22,000 sq. ft. | 80% |
UR: in Lake Whatcom Watershed with public sewer and water, and stormwater management facilities | Maximum density: 1 dwelling unit/5 acres | 5 acres | N/A | N/A | N/A |
UR-3: with public sewer and water, and stormwater management facilities | Maximum gross density: 3 dwelling units/1 acre | 12,000 sq. ft. | 8,000 sq. ft. | N/A | 25% |
UR-4: with public sewer and water, and stormwater management facilities | Maximum gross density: 4 dwelling units/1 acre Minimum net density: 4 dwelling units/1 acre | 5,000 sq. ft. | 4,000 sq. ft. | N/A | 20% |
UR-4: in the Birch Bay Urban Growth Area with public sewer and water, and stormwater management facilities, when density credits are purchased pursuant to WCC § 20.91.020(2) | Maximum gross density: 5 dwelling units/1 acre Minimum net density: 5 dwelling units/1 acre | 4,500 sq. ft. | 3,500 sq. ft. | N/A | 20% |
UR-6: with public sewer and water, and stormwater management facilities | Maximum gross density: 6 dwelling units/1 acre Minimum net density: 6 dwelling units/1 acre | 4,000 sq. ft. | 3,000 sq. ft. | N/A | 20% |
Notes: |
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* For the purpose of administering the lot consolidation provisions of WCC § 20.83.070, the conventional minimum lot size shall be 10 acres. |
District | Width at Street Line** | Width at Bldg. Line | Minimum Mean Depth | |
|---|---|---|---|---|
Conventional | Cluster | |||
UR: all districts without public sewer and water | 300' | 70'* | 80' | 100' |
UR: with public sewer and water, and stormwater management facilities: | ||||
3 units per acre | 30' | 30' | 70' | 80' |
4 units per acre | 30' | 30' | 60' | 70' |
5 units per acre (with purchase of density credits) | 25' | 25' | 40' | 60' |
6 units per acre | 25' | 25' | 40' | 50' |
Notes: |
|---|
* 30' on a cul-de-sac only |
** The "Width at Street Line" standards do not apply to lots being modified through boundary line adjustment (BLA), subject to WCC § 21.03.060(2)(f). |