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.
1125
Cities
100%
Allow ADUs
1,200
Max Sq Ft
Rainier
OR
ADUs Allowed
Population
2,010
View Regulations
Raleigh Hills
OR
ADUs Allowed
Population
6,737
View Regulations
Redmond
OR
ADUs Allowed
Population
34,191
View Regulations
Redwood
OR
ADUs Allowed
Population
3,275
View Regulations
Reedsport
OR
ADUs Allowed
Population
4,307
View Regulations
Richland
OR
ADUs Allowed
Population
199
View Regulations
Riddle
OR
ADUs Allowed
Population
1,157
View Regulations
Rivergrove
OR
ADUs Allowed
Population
558
View Regulations
Riverside
OR
ADUs Allowed
Population
352
View Regulations
Rockaway Beach
OR
ADUs Allowed
Population
1,393
View Regulations
Rockcreek
OR
ADUs Allowed
Population
9,923
View Regulations
Rogue River
OR
ADUs Allowed
Population
1,997
View Regulations
Rose Lodge
OR
ADUs Allowed
Population
1,491
View Regulations
Roseburg
OR
ADUs Allowed
Population
23,657
View Regulations
Roseburg North
OR
ADUs Allowed
Population
4,478
View Regulations
Ruch
OR
ADUs Allowed
Population
1,368
View Regulations
Rufus
OR
ADUs Allowed
Population
220
View Regulations
Salem
OR
ADUs Allowed
Population
175,754
View Regulations
Sandy
OR
ADUs Allowed
Population
12,592
View Regulations
Scappoose
OR
ADUs Allowed
Population
8,003
View Regulations
Scio
OR
ADUs Allowed
Population
860
View Regulations
Scio
OR
ADUs Allowed
Population
860
View Regulations
Scotts Mills
OR
ADUs Allowed
Population
422
View Regulations
Seaside
OR
ADUs Allowed
Population
7,142
View Regulations
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