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State of California GIS Data Sources

Parker Dinkins
Parker Dinkins Data Source

California GIS Data

The following page includes links to various geospatial data sources for the state of California. The majority of these data sources provide GIS data in formats compatible with ArcGIS and QGIS through the REST Services.

The California GIS Portal is the state's official public website for geospatial data. It provides access to many different types of data, including:

  • Land Use Data (e.g., parcels, zoning)

  • Cadastral/property boundary data (e.g., parcel owners and addresses)

  • State Facility Data (e.g., landfills, sewer systems)

  • Transportation Data (e.g., road networks)

Search Underlying Datasets From These Sources

If you would like to search the layers and datasets contained within these sources then check out the best geospatial search engine on the market right now. is a geospatial search engine built by the same team that built this website. It enables you to search for layers and datasets from all of these sources in one place. 

List of REST Services:


This is the most comprehensive list of geospatial data sources for the state of California. We hope that you find this information useful, and we invite you to contact us with any questions or comments.