Data Portals/California Open Data Portal

California Open Data Portal

California's state open data portal, publishing datasets from state agencies including wildfire, water, transportation, and boundary data.

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Visit California Open Data Portal

The California Open Data Portal is the State of California's catalog of open datasets, published by state agencies and departments. It is one of the most active U.S. state portals, reflecting California's scale and data-driven policy areas.

Geospatial content is rich and highly relevant for the state — wildfire perimeters and hazard zones, water and drought data, transportation, and administrative boundaries — generally free to reuse. It is the authoritative regional source to pair with federal data for any analysis focused on California.

Frequently Asked Questions

Highlights include wildfire perimeters and hazard severity zones, water and drought datasets, transportation networks, and administrative boundaries for California.

Most datasets are openly available for reuse; California state government works are generally free of copyright restrictions, though check individual dataset terms.

Many California datasets are also indexed by the federal Data.gov catalog, but data.ca.gov is the authoritative state-level source.

Details

AgencyState of California

LevelRegional

RegionNorth America

CoverageCalifornia, United States

LicenseMostly public domain / open

Formats

CSVGeoJSONShapefileAPI

Update FrequencyContinuous

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