Definition of development.
Seattle Mun. Code § 23.69.007
in effectA. "development" is the establishment of any new Major Institution use or the expansion of an existing Major Institution use, the relocation of an existing Major Institution use for a period of at least one (1) year, or the vacation of streets for such uses. (Ord. 115002 , § 23, 1990.)
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026