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

ADU Regulations by City

Select your city to view local ADU rules, zoning requirements, and building guidelines.

Harbor City

CA ADUs Allowed
Population 28,000
Median Income $52,000
County Los Angeles
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Hawaiian Gardens

CA ADUs Allowed
Population 14,404
Median Income $39,770
View ADU Info

Hawthorne

CA ADUs Allowed
Population 86,028
Median Income $46,000
View ADU Info

Hayward

CA ADUs Allowed
Population 51,000
View ADU Info

Hayward

CA ADUs Allowed
Population 159,203
Median Income $70,883
View ADU Info

Healdsburg

CA ADUs Allowed
Population 11,254
County Sonoma
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Hemet

CA ADUs Allowed
Population 84,950
Median Income $37,124
View ADU Info

Hercules

CA ADUs Allowed
Population 26,111
Median Income $101,018
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Hermon

CA ADUs Allowed
Population 6,000
Median Income $55,000
County Los Angeles
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Hermosa Beach

CA ADUs Allowed
Population 19,506
Median Income $121,000
View ADU Info

Hesperia

CA ADUs Allowed
Population 95,123
Median Income $46,581
View ADU Info

Hidden Hills

CA ADUs Allowed
Population 1,934
Median Income $250,000
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Highland

CA ADUs Allowed
Population 54,791
Median Income $60,995
View ADU Info

Highland Park

CA ADUs Allowed
Population 56,000
Median Income $52,000
County Los Angeles
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Hillsborough

CA ADUs Allowed
Population 61,000
View ADU Info

Historic Filipinotown

CA ADUs Allowed
Population 15,000
Median Income $32,000
County Los Angeles
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Hollister

CA ADUs Allowed
Population 7,739
Median Income $60,662
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Holtville

CA ADUs Allowed
Population 5,939
County Imperial
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Hughson

CA ADUs Allowed
Population 4,474
Median Income $39,847
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Huntington Beach

CA ADUs Allowed
Population 200,259
Median Income $85,000
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Huntington Park

CA ADUs Allowed
Population 58,115
Median Income $36,500
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Huron

CA ADUs Allowed
Population 6,754
County Fresno
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Imperial

CA ADUs Allowed
Population 14,758
County Imperial
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Imperial Beach

CA ADUs Allowed
Population 27,525
Median Income $54,700
View ADU Info

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