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
San Clemente
CA
ADUs Allowed
Population
64,364
Median Income
$102,000
View Regulations
San Diego
CA
ADUs Allowed
Population
1,406,630
Median Income
$76,000
View Regulations
San Diego County
CA
ADUs Allowed
Median Income
$76,000
View Regulations
San Dimas
CA
ADUs Allowed
Population
33,478
Median Income
$78,000
View Regulations
San Fernando
CA
ADUs Allowed
Population
23,940
Median Income
$55,000
View Regulations
San Francisco
CA
ADUs Allowed
Population
883,305
Median Income
$309,157
View Regulations
San Gabriel
CA
ADUs Allowed
Population
39,718
Median Income
$61,730
View Regulations
San Jacinto
CA
ADUs Allowed
Population
49,056
Median Income
$48,958
View Regulations
San Joaquin
CA
ADUs Allowed
Population
4,001
County
Fresno
View Regulations
San Jose
CA
ADUs Allowed
Population
1,030,119
Median Income
$360,542
View Regulations
San Juan Bautista
CA
ADUs Allowed
Population
2,000
Median Income
$70,000
View Regulations
San Juan Capistrano
CA
ADUs Allowed
Population
34,593
County
Orange
View Regulations
San Leandro
CA
ADUs Allowed
Population
90,497
Median Income
$66,927
View Regulations
San Leandro
CA
ADUs Allowed
Population
42,400
View Regulations
San Luis Obispo
CA
ADUs Allowed
Population
47,000
Median Income
$48,000
View Regulations
San Marcos
CA
ADUs Allowed
Population
96,778
Median Income
$74,488
View Regulations
San Marino
CA
ADUs Allowed
Population
13,147
Median Income
$151,250
View Regulations
San Mateo
CA
ADUs Allowed
Population
104,748
Median Income
$36,662
View Regulations
San Pablo
CA
ADUs Allowed
Population
29,139
County
Contra Costa
View Regulations
San Pedro
CA
ADUs Allowed
Population
78,912
Median Income
$66,954
View Regulations
San Rafael
CA
ADUs Allowed
Population
58,994
Median Income
$20,648
View Regulations
San Ramon
CA
ADUs Allowed
Population
72,148
County
Contra Costa
View Regulations
Sand City
CA
ADUs Allowed
Population
334
County
Monterey
View Regulations
Sanger
CA
ADUs Allowed
Population
25,000
Median Income
$45,000
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.