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.
Wasco
Population
482
View ADU Info
Waterloo
Population
238
View ADU Info
West Haven-Sylvan
Population
8,376
View ADU Info
West Linn
Population
27,167
View ADU Info
West Slope
Population
6,663
View ADU Info
Westfir
Population
394
View ADU Info
Weston
Population
483
View ADU Info
Westport
Population
367
View ADU Info
Wheeler
Population
429
View ADU Info
Willamina
Population
2,287
View ADU Info
Williams
Population
1,173
View ADU Info
Wilsonville
Population
25,992
View ADU Info
Wimer
Population
488
View ADU Info
Winchester Bay
Population
237
View ADU Info
Winston
Population
5,618
View ADU Info
Wood Village
Population
4,548
View ADU Info
Woodburn
Population
26,222
View ADU Info
Yachats
Population
772
View ADU Info
Yamhill
Population
1,184
View ADU Info
Yoncalla
Population
1,104
View ADU Info
Aberdeen
Population
17,080
County
Grays Harbor
View ADU Info
Airway Heights
Population
11,280
County
Spokane
View ADU Info
Albion
Population
540
County
Whitman
View ADU Info
Algona
Population
3,315
County
King
View ADU Info
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