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
Santa Ana
CA
ADUs Allowed
Population
324,528
County
Orange
View Regulations
Santa Barbara
CA
ADUs Allowed
Population
88,410
County
Santa Barbara
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Santa Clara
CA
ADUs Allowed
Population
127,134
Median Income
$44,497
View Regulations
Santa Clarita
CA
ADUs Allowed
Population
210,089
Median Income
$90,440
View Regulations
Santa Cruz
CA
ADUs Allowed
Population
59,946
County
Santa Cruz
View Regulations
Santa Fe Springs
CA
ADUs Allowed
Population
16,223
County
Los Angeles
View Regulations
Santa Maria
CA
ADUs Allowed
Population
107,000
Median Income
$54,000
View Regulations
Santa Monica
CA
ADUs Allowed
Population
89,736
County
Los Angeles
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Santa Paula
CA
ADUs Allowed
Population
29,321
County
Ventura
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Santa Rosa
CA
ADUs Allowed
Population
167,815
County
Sonoma
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Santee
CA
ADUs Allowed
Population
58,016
Median Income
$78,393
View Regulations
Saratoga
CA
ADUs Allowed
Population
74,000
View Regulations
Sausalito
CA
ADUs Allowed
Population
66,000
View Regulations
Scotts Valley
CA
ADUs Allowed
Population
11,580
County
Santa Cruz
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Seal Beach
CA
ADUs Allowed
Population
24,406
Median Income
$54,688
View Regulations
Seaside
CA
ADUs Allowed
Population
33,025
County
Monterey
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Sebastopol
CA
ADUs Allowed
Population
7,379
County
Sonoma
View Regulations
Selma
CA
ADUs Allowed
Population
24,000
Median Income
$45,000
View Regulations
Shafter
CA
ADUs Allowed
Population
19,000
Median Income
$46,000
View Regulations
Shandon
CA
ADUs Allowed
Population
1,200
Median Income
$52,000
View Regulations
Sierra Madre
CA
ADUs Allowed
Population
10,955
Median Income
$94,498
View Regulations
Signal Hill
CA
ADUs Allowed
Population
11,684
Median Income
$75,625
View Regulations
Simi Valley
CA
ADUs Allowed
Population
125,613
Median Income
$92,447
View Regulations
Solana Beach
CA
ADUs Allowed
Population
12,867
County
San Diego
View Regulations
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