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465 datasets

Airport Boundaries

Published by: Caltrans
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

California Department of Transportation (Caltrans), Division of Transportation Planning, Aeronautics Program provided airport layout drawings with est...

California City Boundaries and Identifiers with Coastal Buffers

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...

California County Boundaries and Identifiers with Coastal Buffers

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...

City and County Boundary Changes by Roll Year

Published by: California Department of Tax and Fee Administration
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This map is a compilation of the final set of city and county boundary changes filed with the California State Board of Equalization in accordance wit...

Conservation Plan Boundaries - HCP and NCCP [ds760]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This shapefile contains Natural Community Conservation Plan (NCCP) (some of which are also Habitat Conservation Plan (HCP)) boundaries in California. ...

Certified Unified Program Agency (CUPA) and Participating Agency (PA) Boundaries

Published by: California Environmental Protection Agency
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This service represents the jurisdictional boundaries of Certified Unified Program Agencies (CUPAs) and their associated Participating Agencies (PAs)....

CUPA Boundary Zone Lookup

Published by: California Environmental Protection Agency
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This application allows users to enter an address, manually select a point on a map, or draw a polygon to identify the agency responsible for respondi...

CA Geographic Boundaries

Published by: California Department of Technology
Last updated: Friday, May 3, 2024
File types: SHP

This dataset contains shapefile boundaries for CA State, counties and places from the US Census Bureau's 2023 MAF/TIGER database. Current geography in...

Four Quarter Summary Hospital Utilization Patient Days by Type of Ownership

Published by: Department of Health Care Access and Information
Last updated: Saturday, April 4, 2026
File types: CSV, DOCX, ZIP

This dataset provides the fourth quarter summary roll-up of California hospitals’ financial and utilization data for average patient days by type of o...

i03 LegalDeltaBoundary

Published by: California Department of Water Resources
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Department of Water Resources (DWR), Geodetic Branch, Cadastral Surveys reviewed this boundary in July, 2009, and agreed with the linework along with ...