General Industrial 1 (IG1) zone, function and locational criteria.
Seattle Mun. Code § 23.34.092
in effectA. Function. An area that provides opportunities for manufacturing and industrial uses and related activity, where these activities are already established and viable, and their accessibility by rail and/or waterway make them a specialized and limited land resource. B. Locational Criteria. General Industrial 1 zone designation is most appropriate in areas generally characterized by the following: 1. Areas directly related to the shoreline having the following characteristics: a. Suitable water access for marine industrial activity, b. Upland property of sufficient depth to accommodate industrial activity, c. An existing character established by industrial uses and related commercial activity including manufacturing use, warehousing, transportation, utilities, and similar activities; 2. Areas directly related to major rail lines serving industrial businesses; 3. Areas containing mostly industrial uses, including manufacturing, heavy commercial, warehousing, transportation, utilities and similar activities; 4. Large areas with generally flat topography; 5. Areas platted into large parcels of land. (Ord. 117430 , § 23, 1994: Ord. 113658 § 2(part), 1987.)
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026