Los Angeles, California

Los Angeles Residential Permit Guide

Los Angeles residential projects often begin with zoning research, plans, plan check, permit issuance, and inspections through LADBS.

Project

Residential Permits

Location

Los Angeles, California

Last reviewed

April 26, 2026

Permit takeaway

LADBS says building permits are required for new construction, additions, alterations, demolition, structural alterations, and some use-of-land projects.

Zoning and placement

Los Angeles homeowners should check ZIMAS and confirm city jurisdiction before preparing plans.

Building and trade review

Separate approvals may be needed from other departments depending on project scope.

Call before applying when

Call before applying if the project changes layout, structure, parking, use, exterior envelope, or sits in a hillside, coastal, fire, or historic area.

Documents to prepare

Inspection planning

Official sources

This guide is a planning summary. Always verify the current requirements with the local office before starting work.