23.84A.008

"Deck" means a platform extending more than 18 inches from a structure, or an unattached platform, including safety railings if required by the Building Code. A deck may be cantilevered or connected to the ground by posts and may have steps or ramps to the ground and a door to the structure. (See also "Porch.") "Dedication" means an appropriation or giving up of property to public use that precludes the owner or others claiming under the owner from asserting any right of ownership inconsistent with the use for which the property is dedicated. "Department" means the Seattle Department of Construction and Inspections. "Depth." See "Structure depth." "Detached accessory dwelling unit." See "Residential use." "Detention center" means a facility that is operated by a private entity in which persons are detained in custody under process of law pending the outcome of legal proceedings but is not used for punishment, correction, counseling, or rehabilitation following the conviction of a criminal offense. This definition does not include facilities for detaining persons under RCW 71.09.020(7) or RCW 71.09.020(16), chapter 10.77 RCW, or chapter 71.05 RCW. "Development regulations." See RCW 36.70A.030. "Director" means the Director of the Seattle Department of Construction and Inspections or the Director's designee. "Dish antenna." See "Communication devices and utilities." "Dispersion criteria" means standards regulating the maximum concentration of and/or minimum distance between particular uses. "Display of rental equipment, outdoor." See "Outdoor display of rental equipment." "DMC housing TDR site." See "TDR site, DMC housing." "Doctor, hospital-based" means a physician having an office and/or principal practice based in and/or salaried by a major institution. "Doctor, staff" means a physician with staff privileges at a hospital who has an office outside the boundaries of the major institution. "Domestic violence shelter." See "Residential use." "Dormer" means a minor gable in a pitched roof, usually bearing a window on its vertical face. A dormer is part of the roof system. "Downtown Amenity Standards" means the provisions contained Ordinance 124591 , as they may be amended from time to time by ordinance. The Downtown Amenity Standards replaced the Public Benefit Features Rule. "Drinking establishment." See "Eating and drinking establishment" "Drive-in business" means a business or a portion of a business where a customer is permitted or encouraged, either by the design of physical facilities or by service and/or packaging procedures, to carry on business in the off-street parking or paved area accessory to the business, while seated in a motor vehicle or while out of the vehicle but in the immediate vicinity of the vehicle. This definition shall include but not be limited to gas stations, car washes, and drive-in restaurants or banks. "Drive-in lane" means an aisle that gives vehicle access to a drive-in window or other drive-in facility such as a gasoline pump or car wash bay. "Driveway" means that portion of a street, alley or private lot that provides access to, but not within, an off-street parking facility from a curb cut, and may include portions of the sidewalk. "Dry boat storage." See "Parking and moorage" under "Transportation facility." "Dwelling unit" means a room or rooms located within a structure that are configured to meet the standards of Section 23.42.048 , providing independent living facilities for one household, including permanent provisions for sleeping, food preparation, and sanitation. "Dwelling unit, accessory" means a dwelling unit that: 1. Is located within the same structure as a principal dwelling unit or within an accessory structure on the same lot as a principal dwelling unit; and 2. Is designed and arranged to be occupied as living facilities independent from any other dwelling unit. "Dwelling unit, attached" means a dwelling unit that: 1. Occupies space from the ground to the roof of the structure in which it is located; and 2. Is attached to another dwelling unit. Dwelling units are considered attached if they share a common or party wall or have walls containing floor area that are located within 2 feet of each other. "Dwelling unit, detached" means a dwelling unit that: 1. Occupies space from the ground to the roof of the structure in which it is located; and 2. Is not attached to any other dwelling unit. "Dwelling unit, principal" means a dwelling unit that is not accessory to another dwelling unit. "Dwelling unit, small efficiency" means a dwelling unit with an amount of square footage less than the minimum amounts specified for Efficiency Dwelling Units in the Seattle Building Code, and that meets the standards prescribed in Section 23.42.048 . "Dwelling unit, stacked" means dwelling units that are located above or below other dwelling units such as apartments or condominium buildings. (Ord. 127401 , § 3, 2026; Ord. 127376 , § 78, 2025; Ord. 127211 , § 16, 2025; Ord. 127099 , § 59, 2024; Ord. 124919 , § 164, 2015; Ord. 124843 , § 61, 2015; Ord. 124608 , § 13, 2014; Ord. 123141, § 5, 2009; Ord. 122311 , § 100, 2006.)