Mapping application to support research related to City of Seattle land use, zoning, and other property related development regulations.Includes layers related to zoning, parking, tree regulation, and environmentally critical areas.

Map of areas in Neighborhood Residential zones served only by low-flow hydrants (with less than 1,000gpm flow rate). This layer is used by Seattle Department of Construction and Inspections (SDCI) to route permits in Neighborhood Residential zoned areas to Seattle Fire Department (SFD) for Plan Review. This layer was last updated in March 2020. Future updates as needed based on Zoning changes and updates to Seattle Public Utilities (SPU) fire hydrant data.

Displays Environmentally Critical Areas (ECA) in the City of Seattle. For more information about the definition of the ECA layers, see Seattle Municipal Code section 25.09.Updated as needed.

Note: 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 InspectionsA polygon feature class showing current City of Seattle land use zoning areas. It provides information on the type of zoning, overlay districts, enacting ordinance numbers and effective dates.Zoning Code governs the use and development of land in Seattle. Zoning districts specify a category of uses (e.g., single-family residential, multifamily residential, commercial, industrial, etc.) including specific overlays and are applied by ordinance. Symbolized on the value DETAIL_DESC (group 28 categories).