San Rafael ADU Laws & Regulations

Zoning

R-1/R-2

Lot Size

Lot size must meet a minimum of 5,000 sq. ft. and feature an existing single-family dwelling.

Maximum ADU Floor area

1200sf

Rear Yard Coverage

Not more than two ADUs that are located on a lot that has an existing multifamily dwelling but are detached from the dwelling and are subject to a height limit of 16 feet and four-foot rear and side setbacks

No. Bedrooms

2 bedrooms

Kitchen

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

Bath

Required

Parking

1 space

Setbacks

Front

Side

Rear

 

Same as primary dwelling

4ft

4ft

Height

16ft

Design

Attached and/or repurposed ADUs shall incorporate the same roof and exterior wall material, building color(s), door and window trim, and predominate roof form and pitch as the primary dwelling structure. Repurposed garages shall replace garage doors with the same exterior wall material, building color, and door and window trim as the primary dwelling structure

Entryways

Required

Second Address

Building Department question

ADU Regulation Website

 

https://www.cityofsanrafael.org/documents/adu-faqs/