A. 
Intent.
1. 
To ensure architectural interest and pedestrian-scaled detail.
2. 
To allow for comfortable pedestrian queuing space.
B. 
Standards – Required.
1. 
Locations Where Standards Apply. Corner features are required at locations specified on the Northwest Quadrant circulation map, KMC § 18.52.110; outside of the Northwest Quadrant, corner features shall be provided when conditions in subsections (B)(2) and (3) of this section are present.
2. 
Corner Features for Buildings at Intersections Facing Two Streets.
a. 
Architectural Features. Building sides that face corners of public streets shall be treated architecturally to emphasize the corner location. Appropriate expressions include:
(1) 
Tower forms;
(2) 
Prominent building entries;
(3) 
Oversized window treatment;
(4) 
Special rooflines;
(5) 
Plazas;
(6) 
Other treatments which meet the intent of this standard.
b. 
Building Corner Setbacks. First floors of building corners facing intersections of two streets shall be set back 10 feet to accommodate pedestrian circulation. Columns are allowed in the setback area up to the size of a two-foot square footprint.
3. 
Corner Features for Buildings at Intersections of a Street and a Pedestrian Walkway and/or Two Pedestrian Walkways. Entrances to pedestrian walkways shall be visually emphasized by the use of two of the following elements:
a. 
Special Paving. Scored concrete, stained/colored concrete, concrete pavers, paving inlays, mosaics, or other special paving material which is different from the standard sidewalk material;
b. 
Landscaping. Trees, shrubs, trellises, flowers, or container plants;
c. 
Seating Area. Benches, low seating walls;
d. 
Site lighting;
e. 
City signage.
(Ord. 11-0329 § 3 (Exh. 1); Ord. 23-0574 § 2 (Exh. A))
A. 
Intent.
1. 
Distinctive Profiles. To ensure that roof forms provide distinctive profiles and visual interest.
2. 
Express Base and Top. To provide details which break buildings into distinct visible elements of base and top (see upper level stepbacks, mass and bulk standards in KMC § 18.52.310 for details regarding building modulation and articulation).
B. 
Standards – Required.
1. 
Commercial Buildings. Commercial buildings shall use one of the following elements to create a prominent edge:
a. 
Extended parapets;
b. 
Projecting cornices;
c. 
Pitched or sloped roofs;
d. 
Decorative molding if greater than or equal to 10 inches wide.
2. 
Predominantly Residential Buildings. Buildings which contain predominantly residential uses shall use the following elements to break up the massiveness of an uninterrupted flat roof:
a. 
Dormers;
b. 
Pitched roofs;
c. 
Stepbacks;
d. 
Roof gardens;
e. 
Cornices;
f. 
Parapets; and
g. 
Intersecting roof forms.
These types of roof treatments shall be determined at the discretion of the city manager.
C. 
Not Allowed.
1. 
Flat, Unadorned Roofs. Flat roofs without architectural embellishments are not allowed.
(Ord. 11-0329 § 3 (Exh. 1); Ord. 23-0574 § 2 (Exh. A))
A. 
Intent.
1. 
Visually Integrated. To visually integrate parking garages with other uses through active ground floor uses, and the use of architectural treatments, such as materials, treatments of openings, and human-scaled facade elements.
2. 
Garage Elevations. To ensure that parking garage facades facing public rights-of-way screen cars from view and resemble commercial, office, civic, and mixed use building elevations.
B. 
Standards – Required.
1. 
Retail Frontage Along Streets. Parking structures shall provide retail usages for at least 50 percent of the first floor street frontages (sites fronting 182nd excepted).
2. 
Treatments in Nonretail Areas. Portions of ground level facade not occupied by retail uses shall integrate one or more of the following into the ground level facade:
a. 
Ornamental grillwork (other than plain horizontal or vertical bars);
b. 
Decorative artwork (metal panels, ceramic, mosaics, etc.);
c. 
Display windows for events;
d. 
Brick, tile, or stone;
e. 
Pre-cast panels;
f. 
Wood paneling;
g. 
Blank wall treatments per the blank wall standards, KMC § 18.52.240;
h. 
Other treatments which meet the intent of these standards.
3. 
Opening Size. The maximum size of window and facade openings shall be 64 square feet (excluding driveway/parking garage entry). The window/facade openings shall be treated further with minimum 24-inch mullions to prevent large openings in the parking garage facade.
4. 
Treatments in Primarily Residential Areas. Ground level facade treatments for residential parking garages shall integrate one or more of the following:
a. 
Ornamental grillwork (other than plain horizontal or vertical bars);
b. 
Decorative artwork (metal panels, ceramic, mosaics, etc.);
c. 
Brick, tile, or stone;
d. 
Pre-cast panels;
e. 
Wood paneling;
f. 
Blank wall treatments per the blank wall standards, KMC § 18.52.240.
5. 
Facade Articulation. At least two of the following elements shall be incorporated into parking garage facades to articulate the facade and provide human-scaled architectural elements:
a. 
Piers or pilasters;
b. 
Recessed window openings;
c. 
Window sills and details;
d. 
Masonry trim;
e. 
Accent materials;
f. 
Tile, stone, or pre-cast panels;
g. 
Other treatments which provide facade articulation.
6. 
Architectural Elements in Vehicular Entrances. Vehicular entrances to structured parking shall incorporate two of the following elements into the design:
a. 
Arches;
b. 
Lintels;
c. 
Piers or pilasters;
d. 
Masonry trim;
e. 
Planters;
f. 
Ornamental lighting;
g. 
Tile, stone, or pre-cast panels.
C. 
Not Allowed.
1. 
Plain Concrete Facades. Plain, unadorned, or smooth concrete facades are not allowed.
2. 
Horizontal or Vertical Bars. Unadorned horizontal or vertical bars are not allowed in parking garage window openings.
(Ord. 11-0329 § 3 (Exh. 1); Ord. 23-0574 § 2 (Exh. A); Ord. 25-0631 § 2 (Exh. A))
A. 
Intent.
1. 
Continuity of Visual Interest. To ensure that all sides of a building in the public view have visual interest and continuity of pedestrian-oriented building scale.
B. 
Standards – Required.
1. 
Architectural Treatments for Visible Building Sides. All sides of buildings visible from a public right-of-way shall be treated with two or more of the following elements:
a. 
Visible rooflines (i.e., cornices, extended parapets, pitched/sloped roofs, decorative molding, etc.);
b. 
Windows;
c. 
Secondary entrances;
d. 
Balconies;
e. 
Awnings;
f. 
Oversized window treatments;
g. 
Other architectural details which meet the intent of this standard.
2. 
Detailed Walls Required. Ground floor walls (including retaining walls) within public view shall have architectural detail such as windows, doors, reveals, and other architectural features as described in the building design section of these standards. A wall is considered a blank wall if:
a. 
A ground floor wall or portion of a ground floor wall over six feet in height that has a horizontal length greater than 15 feet and does not include architectural detailing; or
b. 
Any portion of a ground floor wall having a surface area of 400 square feet or greater.
3. 
Blank Wall Screening. Where a blank wall within the public view is unavoidable due to International Building Code regulations (such as where a side building wall abuts a property line), blank walls shall be treated with two or more of the following:
a. 
Vegetation, including trees, shrubs, evergreen ground cover (in conjunction with other landscaping) or vines adjacent to the blank wall surface;
b. 
Trellis vine panels;
c. 
Architectural detailing such as reveals, contrasting materials, or other special detailing which meets the intent of this standard.
Due to the many potential site-specific conditions which could occur, blank/side wall treatment shall be subject to the city manager’s discretion and approval.
C. 
Not Allowed.
1. 
Murals. Murals shall not be permitted pending the completion of City standards addressing appropriate allowances, criteria, and locations.
(Ord. 11-0329 § 3 (Exh. 1))
A. 
Intent.
1. 
Active and Accessible. Locate pedestrian bridge(s) in active places which are accessible at all hours and promote safe passage over major roadways.
2. 
Unique Architectural Qualities. To develop unique and inviting pedestrian bridges as key gateway features which are integrated with buildings at bridge ends.
B. 
Standards – Required.
1. 
Locate Bridge Ends in Active Buildings and Places. Locate bridge ends in active, publicly accessible buildings or places which are accessible and secure at all hours.
2. 
Building and Landscape Treatments. Pedestrian bridges shall be designed as unique structures which serve as a key gateway feature in downtown.
3. 
Integration with End Structures. The appearance, materials, and style of pedestrian bridges shall be architecturally integrated with the end structures or places.
4. 
Weather Protection. Weather protection, in the form of a roof or canopy structure, shall be provided over the entire length of pedestrian bridges.
(Ord. 11-0329 § 3 (Exh. 1); Ord. 23-0574 § 2 (Exh. A))