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

Woodburn

OR
ADUs Allowed
Population 26,222
View Regulations

Yachats

OR
ADUs Allowed
Population 772
View Regulations

Yamhill

OR
ADUs Allowed
Population 1,184
View Regulations

Yoncalla

OR
ADUs Allowed
Population 1,104
View Regulations

Aberdeen

WA
ADUs Allowed
Population 17,080
County Grays Harbor
View Regulations

Airway Heights

WA
ADUs Allowed
Population 11,280
County Spokane
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Albion

WA
ADUs Allowed
Population 540
County Whitman
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Algona

WA
ADUs Allowed
Population 3,315
County King
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Almira

WA
ADUs Allowed
Population 320
County Lincoln
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Anacortes

WA
ADUs Allowed
Population 18,020
County Skagit
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Arlington

WA
ADUs Allowed
Population 21,740
County Snohomish
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Asotin

WA
ADUs Allowed
Population 1,225
County Asotin
View Regulations

Auburn

WA
ADUs Allowed
Population 88,820
County King/Pierce
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Bainbridge Island

WA
ADUs Allowed
Population 25,180
County Kitsap
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Battle Ground

WA
ADUs Allowed
Population 21,910
County Clark
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Beaux Arts Village

WA
ADUs Allowed
Population 315
County King
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Bellevue

WA
ADUs Allowed
Population 154,600
County King
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Bellingham

WA
ADUs Allowed
Population 95,960
County Whatcom
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Benton City

WA
ADUs Allowed
Population 3,810
County Benton
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Bingen

WA
ADUs Allowed
Population 780
County Klickitat
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Black Diamond

WA
ADUs Allowed
Population 6,880
County King
View Regulations

Blaine

WA
ADUs Allowed
Population 6,310
County Whatcom
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Bonney Lake

WA
ADUs Allowed
Population 23,250
County Pierce
View Regulations

Bothell

WA
ADUs Allowed
Population 49,550
County King/Snohomish
View Regulations

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