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3932 Woodcreek Lane San Jose, CA 95117

(408) 490-4248

Accessory Dwelling Unit (ADU) City Regulations for

Redwood City, CA

Redwood City is a city on the San Francisco Peninsula in Northern California’s Bay Area. If visiting the area be sure to check out Redwood City’s national landmark the Pulgas Water Temple or check out the beautiful Edgewood Park Natural Preserve.



Lot Size:

No min/max but must follow zoning guidelines on lot coverage, lot must have existing or proposed single-family dwelling.

Maximum ADU Floor Area:

700 sq.ft., 800 sq.ft. for ADUs that meet 11A Standards on accessibility 900 sq.ft. for ADUs on RH or R-1 lots larger than 9,999 sq.ft.

Number of Bedrooms:

1 Bedroom


No min/max


Require separate bathroom and kitchen facilities (must be a stove/oven, 220 amp circuits, sink and food preserving appliance. Wet bars with countertop ovens are not acceptable.


No additional parking required.


Attached: must meet height standards for underlying zoning district.

Detached: must be 10′ from rear property line, at least 6′ from any other structure and meet minimum side yard setback for zoning district.


Attached: must meet height standards for underlying zoning district.

Detached: 14′


May be attached to house or detached in rear yard.

Rear Yard Coverage:

50% max.


Must be architecturally compatible with style, exterior paint and materials of single-family dwelling on same lot.


Garage or patio doors may not be used as main entrance, unit must be accessed by a side-hinged swinging door.