CWCountyWikiIndependent guide to local services
California

We remember your state on this device to show its pages first.

All states →
California · find a service

Planning and development applications in California

Planning and development applications.

Compare other states →

In California, 58 county departments and 1 city government publish 61 official links for this service. Reviewed requirements cover availability notices (28), documents (17), processing time (4) and appointments (1). 42 counties have a page for it below.

Before you start · 2 things to check
  • Start with the jurisdiction of the property. County permit offices may serve only unincorporated areas.
  • Use the official map and confirm project requirements with the planning or building office.

1 guide with reviewed service links · Orange

Clear filters
Choose a county on the map

Highlighted counties have a reviewed service guide matching this selection. An agency may serve only a city or part of a county.

California58 counties
California county mapChoose a county to open its directory. Use the county search and list for smaller counties.Alameda County: open directoryAlpine County: open directoryAmador County: open directoryButte County: open directoryCalaveras County: open directoryColusa County: open directoryContra Costa County: open directoryDel Norte County: open directoryEl Dorado County: open directoryFresno County: open directoryGlenn County: open directoryHumboldt County: open directoryImperial County: open directoryInyo County: open directoryKern County: open directoryKings County: open directoryLake County: open directoryLassen County: open directoryLos Angeles County: open directoryMadera County: open directoryMarin County: open directoryMariposa County: open directoryMendocino County: open directoryMerced County: open directoryModoc County: open directoryMono County: open directoryMonterey County: open directoryNapa County: open directoryNevada County: open directoryOrange County: open directoryPlacer County: open directoryPlumas County: open directoryRiverside County: open directorySacramento County: open directorySan Benito County: open directorySan Bernardino County: open directorySan Diego County: open directorySan Francisco County: open directorySan Joaquin County: open directorySan Luis Obispo County: open directorySan Mateo County: open directorySanta Barbara County: open directorySanta Clara County: open directorySanta Cruz County: open directoryShasta County: open directorySierra County: open directorySiskiyou County: open directorySolano County: open directorySonoma County: open directoryStanislaus County: open directorySutter County: open directoryTehama County: open directoryTrinity County: open directoryTulare County: open directoryTuolumne County: open directoryVentura County: open directoryYolo County: open directoryYuba County: open directory
County directory Reviewed service guides available
Map for browsing; agency service areas may differ.
Map source

U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · Orange

OC Development Services

Planning & Zoning

Orange County planning-development application forms (opens in a new tab)Official instructions

The official directory has a distinct Planning section, including group-home and SB 330 application/checklist resources. The broader page also contains Building and Survey material; no fee amount or document contents are inferred.

Source checked October 26, 2026

Orange County planning development applications and forms · Orange County planning development applications and forms (opens in a new tab)

Orange County planning-development application forms

Planning Accessory Dwelling Units Affordable Housing Appeals Procedure (Updated October 2024) CEQA Checklist CEQA Environmental Information Request Form Concurrent Processing Group Home Permit Application Home Occupation Verification Form Mills Act Program Info Sheet 2022 Mills Act State Information Sheet 2022 Occupancy Permit Package SB 9 Guidance Handout (Updated May 2026) SB 330 Formal Application/Checklist SB 330 Preliminary Application Checklist Short-Term Rental Handout

Saved evidence: 9159e81674722d9b · Agent source review

Full guide, contact details & sources →

Planning and development applications by county