Find Geospatial Data in Washington State

Data, Products & Services

Here you will find information about geospatial data, products and services available in Washington state.  

  • Data: data layers such as shapefiles, geodatabases, KML files, and rasters as well as online maps and applications

  • Services: enterprise services including map, image, geometry, geocoding, and geoprocessing services

  • Metadata: data used to describe other data


Important Announcements:

  • Washington's FOIA legislation basically says that if government funds paid for data to be developed, then it's public information -- notwithstanding critical infrastructure, PID or FOIA exemptions.  
  • The GeoPortal environment that hosts this website and the GIS data and services is now documented under the Governance & Standards tab
  • The Orthoimagery Imagery Data Viewer has been retired. Links to replacement tools and data sources are available here.

Find geospatial data

The Geospatial Portal is a shared enterprise service that handles location based data and services. It provides governmental entities and the public access to commonly used information, data resources and web based services from a single environment.


Find and use Geospatial Portal enterprise services:


  • Public-facing services:
  • ​State-facing services:
The ​​Washington Master Addressing Services (WAMAS) are available to state, local, and tribal governments. Entities outside of the State Government Network (SGN) can request access using this form. These services can be consumed from a web page or from within a mainframe, desktop or server application. The suite of services include tools that…
  • Correct an address to USPS standard format;
  • Add coordinates to an address so it can be displayed and viewed on a map; and
  • Locate an address in the correct boundary area like voting and taxing districts and many other important jurisdictions.
Other services:



2017 Metadata Update Underway - Streamlined process for loading metadata into the Geospatial Clearinghouse


Find geospatial metadata

  • WA Geospatial Clearinghouse - provides access to the state's extensive metadata catalog.

  • WA State Data Catalog - contains metadata links for each geospatial file maintained by state agencies.

  • National GIS Inventory (NSGIC) - contains metadata from multiple state clearinghouses and pushes to

  • National Agriculture Imagery Program (NAIP) imagery metadata - 2006 | 2009 | 2011 | 2012

Metadata Resources: