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
Morro Bay
CA
ADUs Allowed
Population
10,400
Median Income
$54,000
View Regulations
Mount Shasta
CA
ADUs Allowed
Population
3,394
County
Siskiyou
View Regulations
Mountain View
CA
ADUs Allowed
Population
82,907
Median Income
$29,017
View Regulations
Murrieta
CA
ADUs Allowed
Population
113,795
Median Income
$76,857
View Regulations
Napa
CA
ADUs Allowed
Population
76,915
County
Napa
View Regulations
National City
CA
ADUs Allowed
Population
60,208
Median Income
$43,000
View Regulations
Needles
CA
ADUs Allowed
Population
4,954
Median Income
$31,264
View Regulations
Nevada City
CA
ADUs Allowed
Population
3,068
County
Nevada
View Regulations
Newark
CA
ADUs Allowed
Population
57,000
View Regulations
Newark
CA
ADUs Allowed
Population
48,904
Median Income
$92,050
View Regulations
Newman
CA
ADUs Allowed
Population
11,000
Median Income
$59,000
View Regulations
Newport Beach
CA
ADUs Allowed
Population
85,285
Median Income
$122,000
View Regulations
Newport Coast
CA
ADUs Allowed
Population
9,596
Median Income
$164,676
View Regulations
Norco
CA
ADUs Allowed
Population
26,825
Median Income
$88,952
View Regulations
Norwalk
CA
ADUs Allowed
Population
103,949
Median Income
$65,000
View Regulations
Novato
CA
ADUs Allowed
Population
55,691
Median Income
$19,492
View Regulations
Oakdale
CA
ADUs Allowed
Population
23,000
Median Income
$55,000
View Regulations
Oakhurst
CA
ADUs Allowed
Population
2,800
Median Income
$47,000
View Regulations
Oakland
CA
ADUs Allowed
Population
425,097
Median Income
$63,824
View Regulations
Oakley
CA
ADUs Allowed
Population
42,332
Median Income
$88,557
View Regulations
Oceanside
CA
ADUs Allowed
Population
175,464
Median Income
$66,000
View Regulations
Ojai
CA
ADUs Allowed
Population
7,461
County
Ventura
View Regulations
Ontario
CA
ADUs Allowed
Population
181,107
Median Income
$58,000
View Regulations
Orange
CA
ADUs Allowed
Population
138,691
Median Income
$79,000
View Regulations
Can't Find Your City?
No worries! We serve all of California. Contact us to learn about ADU options for your specific property.