City of Seattle ArcGIS OnlineNote: This map is not an official zoning map. For precise zoning information, please call or visit the Seattle Municipal Tower, Seattle Department of Construction and Inspections City of Seattle's land use zoning overlay around major institutions. The MIO area is identified by the name of the major institution.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/b1ce8ec95a374efcb6af020a20ae80b9_23engSeattle GeoDataPublicMajor Institution Overlay [Washington (State)--Seattle]Web servicesWashington (State)--SeattleWashington (State)Last Modified: 2025-06-26