Walnut Creek ADU Laws & Regulations

Zoning

R-1/R-2

Lot Size

NA

Maximum ADU Floor area

1000sf

Rear Yard Coverage

NA

No. Bedrooms

2 bedrooms

Kitchen

Full kitchen facility required (permanent range, counter, refrigerator, sink)

Bath

Required

Parking

The uncovered parking space shall not be permitted in the front yard setback unless a finding is made that the design and lot configuration precludes placement elsewhere on the site, in which case a maximum of two (2) spaces may be permitted in tandem.

Setbacks

Front

Side

Rear


Established by Zoning District

4ft 

4ft 

Height

In no case shall the additional floor area have a building height greater than the existing building or sixteen (16) feet, whichever is greater.

Design

The accessory dwelling unit shall be designed to be architecturally consistent with the main building, including building form, exterior siding and/or trim, roof form and materials, and window placement/type

Entryways

Any new entrances to an attached accessory dwelling unit shall be located on the side or in the rear of the building

Second Address

Required

 

ADU Regulation Website https://www.walnut-creek.org/home/showpublisheddocument/21886/637157136689130000