17.17.040 Performance standards.
A. Density. The minimum density is four dwelling units per net acre and the maximum density is four dwelling units per gross acre. Additional density may be allowed using either of the following options:
1. Bonus Density Option. A bonus density of up to 30 percent over the base may be permitted, based upon the following allocations:
a. Thirty percent of the development site is common open space, which must be contiguous or larger than one acre in area (plus five percent).
b. A pedestrian trail system is provided within the common open space area, consistent with the adopted trails plan per the land use map (plus 10 percent).
c. A minimum 35 percent of the required common open space is improved as an active recreational area (plus 10 percent). “Active recreational areas” shall include, but not be limited to:
i. Clearly defined athletic fields and/or activity courts.
ii. Recreation center or community facility.
d. Additional common open space is provided between the development and adjacent residential zones, uses or developments (plus five percent bonus maximum at a ratio of one percent density bonus per five percent open space increase).
2. Density Credit Transfers. A transfer of density credits may be applied from one residential district within the PCD district to the RLD district up to a maximum of seven dwelling units per acre. Density credit transfers shall be as provided for in the density credit transfer section in Chapter 17.59 GHMC. Density credit transfers may be used in conjunction with bonus density options to achieve the maximum allowable density of seven dwelling units per acre.
B. General.
1. Maximum density is four dwelling units per structure in attached single-family dwellings.
2. Each unit must have individual private yards or courts enclosed by a wall, berm or dense landscaping.
3. Private easements shall be required for all zero lot line developments to facilitate access from the adjoining lot for necessary maintenance and repair activities.
4. Minimum yards (from the property lines):
|
a. Front yard setback |
House/Accessory Structures: 20' Porch: 12' Garage: 26' |
|
b. Rear yard setback |
30' |
|
c. Side yard setback |
8' |
d. Garages may be located in the defined side and rear yards, provided they conform to the criteria in GHMC 17.99.490(A)(1).
e. For uses which require site plan review under Chapter 17.96 GHMC, the minimum front yard setback shall be 20 feet.
5. Minimum Lot Area. The minimum lot size is 10,000 square feet for divisions of land of four or less lots. A minimum parcel size is not specified for divisions of land of five or more lots.
6. Minimum Lot Width. Minimum lot width is 0.7 percent of the lot area, in lineal feet.
7. Maximum Height of Structures. All buildings and structures shall not exceed a height of 35 feet as provided for in GHMC 17.99.370(D), except as increased under GHMC 17.99.390(A)(3).
8. Maximum lot area coverage: 45 percent, excluding residential driveways, private walkways and similar hard surfaces.
9. Landscaping. Landscaping shall comply with the requirements of Chapters 17.78 and 17.99 GHMC.
10. Off-Street Parking. Off-street parking and loading areas meeting the requirements of Chapter 17.72 GHMC shall be provided.
11. Circulation/Roads/Streets. Residential development which provides pedestrian linkages to and within common open space trails systems may be waived from the provisions of public sidewalks, curbs and gutters within the residential development, in whole or in part, upon approval of the public works director.
12. Signage. Signage must comply with the requirements of Chapter 17.80 GHMC.
13. Additional Performance Standards for Site Plan Review. Projects requiring site plan review under Chapter 17.96 GHMC shall also meet the following performance standards:
a. Exterior Mechanical Devices. Air conditioners, heating, cooling and ventilating equipment, pumps and heaters and all other mechanical devices shall be screened.
b. Outdoor Lighting. Outdoor lighting shall conform to the standards of GHMC 17.99.350 and 17.99.460. Such lighting shall be shielded so that direct illumination shall be confined to the property boundaries of the light source. Ground-mounted floodlighting and light projection above the horizontal plane are prohibited between midnight and sunrise.
c. Outdoor Storage of Materials. Outdoor storage of materials and supplies shall be completely screened from adjacent properties and public rights-of-way.
d. Trash Receptacles. Trash receptacles shall be screened from view. Screening shall be complementary to building design and materials.
C. Design. Development in the PCD-RLD district shall conform to the design and development standards contained in Chapter 17.99 GHMC.
D. Site Plans. The site plan review process established under Chapter 17.96 GHMC shall apply to all uses and development within this district. (Ord. 1347 § 26, 2016; Ord. 1307 § 32, 2014; Ord. 1197 § 14, 2010; Ord. 1194 § 14, 2010; Ord. 1146 § 1, 2008; Ord. 1085 § 3, 2007; Ord. 975 § 25, 2004; Ord. 747 § 1, 1997).