State of California Open Data
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17 datasets

Airport Boundaries

  • Published by: Caltrans
  • Last updated: Saturday, April 5, 2025
  • 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...

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...

CA Zip Code Boundaries

  • Published by: California Department of Technology
  • Last updated: Monday, March 24, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature service is derived from the Esri "United States Zip Code Boundaries" layer, queried to only CA data.For the original data see: ...

CUPA Boundary Zone Lookup

  • Published by: California Environmental Protection Agency
  • Last updated: Saturday, April 5, 2025
  • 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...

i03 SuisunMarshBoundary

  • Published by: California Department of Water Resources
  • Last updated: Friday, April 4, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class was digitized from the map, A.B. 1717, by Jeff Galef on August 22, 2012. The features were labeled as being in the Primary or Secon...

City and County Boundary Line Changes

  • Published by: California Department of Tax and Fee Administration
  • Last updated: Tuesday, April 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API

This map includes change areas for city and county boundaries filed in accordance with Government Code 54900. The initial dataset was first published ...

Operational Division Boundaries - OSPR [ds355]

  • Published by: California Department of Fish and Wildlife
  • Last updated: Saturday, April 5, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The shoreline operational divisions are organized and named according to County boundaries. Within county domains, divisions are boundaries guided by ...

i08 C2VSimFG Boundary

  • Published by: California Department of Water Resources
  • Last updated: Friday, April 4, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The boundary dataset covers the model domain of the C2VSimFG. The total area of the model domain is 20,742 square miles. It contains 32,537 elements, ...

BOE CityAnx2026

  • Published by: California Department of Tax and Fee Administration
  • Last updated: Tuesday, April 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This map includes change areas for city and county boundaries filed in accordance with Government Code 54900. The initial dataset was first published ...

BOE CityAnx2025 FINAL

  • Published by: California Department of Tax and Fee Administration
  • Last updated: Tuesday, April 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This map includes change areas for city and county boundaries filed in accordance with Government Code 54900. The initial dataset was first published ...

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