Town Center | Development Standards—Design Requirements
5. Building design – Blank walls
BUILDING COLOR STANDARD MATRIX
Basic Building Shell
a. Blank Wall Definition. A wall (including building facades and retaining walls) is considered a blank wall if: i. A ground floor wall or portion of a ground floor wall over six feet in height has a horizontal length greater than 15 feet and does not include a transparent window or door with glazing; or ii. Any portion of a ground floor wall having a surface area of 400 square feet or greater does not include a transparent window or door. b. Blank Wall Treatments. Untreated blank walls visible from a public street, park or pedestrian pathway are prohibited. Methods to treat blank walls can include: i. Display windows at least 18 inches deep and integrated into the facade. Tack on display cases do not qualify as a blank wall treatment. Figure 21.07.060c shows an example of a tack on display case; ii. Landscape planting bed at least five feet wide or a raised planter bed at least two feet high and three feet wide in front of the wall with planting materials that are sufficient to obscure or screen at least 75 percent of the wall’s surface within three years; iii. Installing a vertical trellis in front of the wall with climbing vines or plant materials; and/or iv. Special building detailing that adds visual interest at a pedestrian scale as determined by the director. Such
Color
Trim Accent
Roof
X
X
X
X
Dark, highly saturated (but not bright) colors (forest green, dark red, maroon, burnt orange, olive, dark brown, or terra cotta) Natural colors of materials such as brick, stone, or stained or sealed wood Primary or bright colors (such as purple or orange), pastels, gold, or metallic
X
X
X
X
X
Black or charcoal
X
X
X
iii. Color combinations that are signature elements for corporate businesses are restricted to 10 percent of each building facade as accent colors.
498 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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