California Zoning & Land Use Laws
Zoning regulations, ADU laws, short-term rental rules, and land use policies for California. Source-cited from state legislation and municipal codes.
Total Cities
482
Total Counties
58
ADU State Law
Yes
Lot Split Law
Yes
Cottage Food Law
Yes
Cities With Data
16
California ADU Law
Statewide ADU-law status for California has not been confirmed — see the official source for current requirements.
View full CaliforniaADU law details →Lot Split Law
Statewide lot-split-law status for California has not been confirmed — see the official source for current requirements.
Cottage Food Law
Statewide cottage-food-law status for California has not been confirmed — see the official source for current requirements.
State Preemption Active
California state law preempts local zoning ordinances in several areas. Local governments cannot enact rules stricter than the state baseline.
Learn about Californiazoning preemption →Recent Legislative Changes
California Cities with Zoning Data
Source: California ADU Law (Government Code Chapter 13, §§66310–66342). Last verified April 3, 2026. View source