International District Mixed, structure height
Seattle Mun. Code § 23.49.208
in effectA. Height limits in the International District Mixed (IDM) zones are designated on the Official Land Use Map, Chapter 23.32 . B. Rooftop features are permitted to exceed the applicable height limit according to Section 23.66.332 . C. Except as otherwise expressly provided in this Section 23.49.208 , the applicable height limit in an IDM zone is determined as set forth in this subsection 23.49.208.C. The base height limit for nonresidential and live-work uses is the first figure after the "IDM" designation. The base height limit for residential uses, shown as the first figure following the "/", is the applicable height limit for a structure that contains residential uses and does not qualify for extra floor area under Section 23.49.023 . The third figure shown, if any, is the applicable height limit for a structure that qualifies for extra residential floor area under Section 23.49.023 or for a structure that includes hotel use in a mixed use development consistent with subsection 23.49.208.E. D. In the IDM 75-85 zone, structures in excess of 75 feet in height, to a maximum of 85 feet, are permitted only if 50 percent or more of the gross floor area on the lot, excluding parking and street-level retail uses meeting the standards of Section 23.66.326 , is in residential use. E. In an IDM 85/85-170 zone, the applicable height limit is 85 feet unless: 1. All floor area above a height of 85 feet is in residential use; or 2. In a mixed-use development that includes hotel use, the following conditions are met: a. The mixed-use development is on a lot with at least 40,000 square feet of the lot area located in an IDM 85/85-170 zone; b. Fifty percent or more of the gross floor area on the lot, excluding parking, is in residential use; and c. Hotel use is the only type of non-residential use located above 85 feet. F. In the IDM 65-120 zone, structures in excess of 65 feet, to a maximum of 120 feet, may be permitted only as a part of a planned community development, pursuant to Section 23.49.036 , Planned community developments. (Ord. 125371 , § 13, 2017; Ord. 123589, § 41, 2011; Ord. 120928, § 20, 2002; Ord. 113279, § 23, 1987; Ord. 112519, § 30, 1985; Ord. 112303, § 3(part), 1985.)
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026