King County GIS Data
See an overview of all ways to acquire King County GIS data, including direct download via the KCGIS Data Portal and custom data and imagery orders.
Find information about the KCGIS standard projection, coordinate system, and datum.
Data Format Primer
Examine the various KCGIS data storage formats.
Look up specific information about each KCGIS data layer, including purpose, feature type, attributes, and data steward contacts.