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.
1189
Cities
100%
Allow ADUs
1,200
Max Sq Ft
Browse Cities
ADU Regulations by City
Select your city to view local ADU rules, zoning requirements, and building guidelines.
Hunts Point
Population
460
County
King
View ADU Info
Ilwaco
Population
1,110
County
Pacific
View ADU Info
Index
Population
155
County
Snohomish
View ADU Info
Ione
Population
425
County
Pend Oreille
View ADU Info
Issaquah
Population
41,290
County
King
View ADU Info
Kahlotus
Population
145
County
Franklin
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Kalama
Population
3,070
County
Cowlitz
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Kelso
Population
12,750
County
Cowlitz
View ADU Info
Kenmore
Population
24,230
County
King
View ADU Info
Kennewick
Population
86,470
County
Benton
View ADU Info
Kent
Population
139,100
County
King
View ADU Info
Kettle Falls
Population
1,640
County
Stevens
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Kirkland
Population
96,920
County
King
View ADU Info
Kittitas
Population
1,440
County
Kittitas
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Krupp
Population
45
County
Grant
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La Center
Population
3,890
County
Clark
View ADU Info
La Conner
Population
990
County
Skagit
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LaCrosse
Population
295
County
Whitman
View ADU Info
Lacey
Population
59,430
County
Thurston
View ADU Info
Lake Forest Park
Population
13,660
County
King
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Lake Stevens
Population
41,260
County
Snohomish
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Lakewood
Population
64,150
County
Pierce
View ADU Info
Lamont
Population
85
County
Whitman
View ADU Info
Langley
Population
1,165
County
Island
View ADU Info
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