ACCESSORY DWELLING UNITS
What is an Accessory Dwelling Unit?
According to the San Francisco Planning Department, "an Accessory Dwelling Unit (ADU) is a residential unit added to an existing building. ADUs are subordinate to the primary residential unit(s), generally due to their location on the lot and/or the size of the unit. Also known as Secondary Units, In-Law Units, Cottages, or Granny Flats, ADUs are generally developed using under utilized spaces within a lot, whether a garage, storage, rear yard, or an attic."
SOFT STORY RETROFITS
What is a Soft Story?
According to the Association of Bay Area Governments, the term "soft story" refers "specifically to older wood frame multi-story buildings with an especially weak, flexible, or otherwise vulnerable ground story."