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Planning and development applications in California

Planning and development applications.

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 · San Luis Obispo

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

California58 counties

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 · San Luis Obispo

Department of Planning and Building

Planning & Zoning

San Luis Obispo land-use and subdivision permitting resourceOfficial instructions

The County’s unincorporated-area permitting guide links a distinct land-use/subdivision resource. This is a permit-resource entry; the full application package and complete project-specific route have not been reviewed.

Source checked October 26, 2026

San Luis Obispo County permit application instructions · San Luis Obispo County permit application instructions (opens in a new tab)

San Luis Obispo land-use and subdivision permitting resource

Land Use & Subdivision

Saved evidence: 30bc512d3b527f30 · Agent source review

Full guide, contact details & sources →

Planning and development applications in California

Department of Planning and Building

Planning and development applications by county