Local/County

• King County Assessments
• King County GIS Data Portal
• King County Interactive Map
• King County Records Search
• King County Parcel Viewer
• Snohomish County Assessor
• Snohomish County Maps
• Snohomish County Online Property Map
• Snohomish County Property Search
• Snohomish County Records Search
• Puget Sound Regional Council GIS

State

• WA Department of Ecology GIS
• WA Department of Natural Resources GIS
• WA Department of Fish and Wildlife GIS
• WA Department of Transportation Maps and Data
• WA Geospatial Clearinghouse
• University of Washington Map Library
• Washington State University Maps

National

• U.S. Census Bureau Maps and Data
• U.S. Bureau of Land Management WA/OR Maps and Data
• U.S. Geological Survey Maps, Imagery, and Publications
• U.S. National Oceanic and Atmospheric Administration
• U.S. Geospatial Data Gateway

GIS Organizations

• Urban & Regional I.S. Association (URISA)
• GIS Corps
• GIS Certification Institute
• Washington State Chapter of URISA
• Geospatial Information and Technology Association

Please email GIS Request if any links don't work.