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King County GIS Center

View of the Cedar River valley with the 1890s GLO map, 1936 aerial, 2023 aerial, and KCGIS vector basemap

The King County GIS Center manages the King County Geographic Information System (KCGIS), King County’s cooperative, multi-department, enterprise GIS. We provide efficient, high-quality GIS leadership, coordination, infrastructure, and services to meet the business needs of our customers and clients in King County government, the Puget Sound region and beyond.

Looking for maps, apps, data, and other resources? Much of the GIS Center's content can be found at the King County State of GIS hub site. The site also includes partner agency work plans, initiatives, resources, events, and more.

State of GIS hub site

Main topics

iMap 🌎

Customizable, interactive mapping tool for King County spatial information

Parcel Viewer 🏡

Interactive map specifically for finding parcel-related information

Property Research 🔍

Tools and resources for property research

Maps and Apps 🗺️ 

Links to interactive and downloadable maps across King County

GIS Data

How to find geospatial data for King County

Spatial Services

Experienced GIS and cartographic consulting

Training

GIS training resources on the State of GIS site

About the GIS Center

Our vision, mission, and goals

Blog: GIS & You

Updates from the KCGIS Center and KCGIS User Group

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