Lot coverage in the CM Environment
Seattle Mun. Code § 23.60A.230
in effectA. Structures, including floats and piers, shall not occupy more than 35 percent of a waterfront lot or an upland lot except as provided in subsection 23.60A.230.B. B. Lot coverage exceptions. On single-family zoned lots, the maximum combined lot coverage allowed for principal and accessory structures on dry land is as follows: Table A for 23.60A.230 Lot coverage in the CM Environment Lot Size Maximum Coverage Less than 5,000 sq. ft. 1,000 sq. ft. plus 15 percent of lot area 5,000 sq. ft. or more 35 percent of lot area (Ord. 124105 , § 3, 2013.)
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026