Downtown Mixed Residential, coverage and floor size limits
Seattle Mun. Code § 23.49.158
in effectA. Coverage 1. Except on lots located in DMR/R 95/65 zones, and except as provided in subsection 23.49.158.C, portions of structures above 65 feet shall not exceed the coverage limits in Table A for 23.49.158: Table A for 23.49.158 Percent coverage permitted by lot size Elevation of portion of structure (in feet) 0—19,000 square feet 19,001—25,000 square feet 25,001—38,000 square feet Greater than 38,000 square feet 65 or less 100% 100% 100% 100% Greater than 65 up to 85 75% 65% 55% 45% Greater than 85 up to 145 65% 55% 50% 40% Greater than 145 up to 280 Not applicable 45% 40% 35% 2. In order to meet the coverage limits, a lot may be combined with one or more abutting lots, whether occupied by existing structures or not, provided that: a. The coverage of all structures on the lots does not exceed any of the applicable limits set in this subsection 23.49.158.A; and b. The fee owners of the abutting lot(s) execute a deed or other agreement, recorded with the King County Recorder's Office as an encumbrance on the lots, that restricts future development so that in combination with the other lots, the coverage limits will not be exceeded. B. Story size. Each story in portions of structures above 145 feet in height shall have a maximum gross floor area of 8,800 square feet. C. In South Downtown, the following coverage limits apply: 1. For structures up to 95 feet in height, coverage limits are shown in Table B for 23.49.158: Table B for 23.49.158 Percent coverage permitted for structures 95 feet in height or less in South Downtown Height of portion of structure Percent of lot coverage permitted 65 feet or less No limit Greater than 65 feet up to 95 feet 75 2. For buildings greater than 95 feet in height, portions of structures above 65 feet in height are limited to 50 percent lot coverage. (Ord. 125371 , § 11, 2017; Ord. 125291 , § 25, 2017; Ord. 123589, § 31, 2011; Ord. 112303 § 3(part), 1985.)
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026