California ADU Information
Find ADU Regulations for Your City
Every California city allows ADUs by state law. Search your city to learn about local regulations, building requirements, and how to get started.
1189
Cities
100%
Allow ADUs
1,200
Max Sq Ft
Browse Cities
ADU Regulations by City
Select your city to view local ADU rules, zoning requirements, and building guidelines.
Oceanside
Population
472
View ADU Info
Odell
Population
3,003
View ADU Info
Ontario
Population
11,610
View ADU Info
Paisley
Population
283
View ADU Info
Parkdale
Population
213
View ADU Info
Pendleton
Population
17,005
View ADU Info
Philomath
Population
5,429
View ADU Info
Phoenix
Population
4,389
View ADU Info
Pilot Rock
Population
1,271
View ADU Info
Pine Hollow
Population
481
View ADU Info
Port Orford
Population
897
View ADU Info
Portland
Population
646,101
View ADU Info
Powers
Population
756
View ADU Info
Prineville
Population
10,915
View ADU Info
Pronghorn
Population
183
View ADU Info
Prospect
Population
661
View ADU Info
Rainier
Population
2,010
View ADU Info
Raleigh Hills
Population
6,737
View ADU Info
Redmond
Population
34,191
View ADU Info
Redwood
Population
3,275
View ADU Info
Reedsport
Population
4,307
View ADU Info
Richland
Population
199
View ADU Info
Riddle
Population
1,157
View ADU Info
Rivergrove
Population
558
View ADU Info
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