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
Vista
CA
ADUs Allowed
Population
93,834
County
San Diego
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Walnut
CA
ADUs Allowed
Population
29,931
Median Income
$105,451
View Regulations
Walnut Creek
CA
ADUs Allowed
Population
64,173
County
Contra Costa
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Wasco
CA
ADUs Allowed
Population
27,000
Median Income
$42,500
View Regulations
Waterford
CA
ADUs Allowed
Population
8,800
Median Income
$55,000
View Regulations
Watsonville
CA
ADUs Allowed
Population
54,000
Median Income
$48,200
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Weed
CA
ADUs Allowed
Population
2,967
County
Siskiyou
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West Covina
CA
ADUs Allowed
Population
105,101
Median Income
$70,088
View Regulations
West Hollywood
CA
ADUs Allowed
Population
36,342
Median Income
$66,863
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West Sacramento
CA
ADUs Allowed
Population
48,744
County
Yolo
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Westlake Village
CA
ADUs Allowed
Population
8,284
Median Income
$130,477
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Westminster
CA
ADUs Allowed
Population
91,739
Median Income
$59,182
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Westmorland
CA
ADUs Allowed
Population
2,225
County
Imperial
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Wheatland
CA
ADUs Allowed
Population
3,456
County
Yuba
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Whittier
CA
ADUs Allowed
Population
85,525
Median Income
$70,492
View Regulations
Wildomar
CA
ADUs Allowed
Population
36,837
Median Income
$72,955
View Regulations
Williams
CA
ADUs Allowed
Population
5,123
County
Colusa
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Willits
CA
ADUs Allowed
Population
4,888
County
Mendocino
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Willows
CA
ADUs Allowed
Population
6,166
County
Glenn
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Winters
CA
ADUs Allowed
Population
6,624
County
Yolo
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Woodlake
CA
ADUs Allowed
Population
7,500
Median Income
$38,000
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Woodland
CA
ADUs Allowed
Population
55,468
County
Yolo
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Wrightwood
CA
ADUs Allowed
Population
4,534
Median Income
$62,115
View Regulations
Yermo
CA
ADUs Allowed
Population
4,095
Median Income
$47,188
View Regulations
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