The City of San Mateo has adopted Chapter 27.19 to describe its regulations for ADUs in its Municipal Code. Summary: An accessory dwelling unit, as defined in Section 27.04.165, shall comply with the following development standards: (a) Permitted Zoning Districts. [...]
San Mateo County Second Units San Mateo County Second Unit Resources Center is the focal point for everything about ADUs in San Mateo County. San Mateo County Ordinance Chapter 22.5 Second Units Summary New second units shall be subject to [...]
Capitola Secondary Dwelling Units This is the term used by Capitola for ADUs. Chapter 17.99 Secondary Dwelling Units in the Capitola Municipal Code covers ADUs Summary: Secondary dwelling units shall be allowed in the single-family residence district (R-1). Before approval [...]
Scotts Valley has adopted Chapter 17.41 - Secondary Dwelling Units and Guesthouses in its Municipal Code Summary: The plans for secondary dwelling units shall comply with all of the following standards before a building permit may be granted: A. The lot [...]
Watsonville Municipal Code 14-23.030 Accessory Dwelling Units (a) Living area. Any increase in floor area of the principal dwelling unit to accommodate an accessory dwelling unit shall not exceed forty percent (40%) of the existing living area or 750 square feet [...]
The City of Santa Cruz is probably the most advanced City in the Bay Area in its adoption and promotion of ADUs. The Accessory Dwelling Unit Development Program is a good starting point. The purpose of the City of Santa [...]
Current regulations and guidance are given on this page: Santa Cruz County Accessory Dwelling Units The County has recently updated regulations for ADUs and is awaiting certification of these amendments by the California Coastal Commission. Until the Commission acts, certain [...]
The City of Santa Clara defines an accessory unit as one additional dwelling unit that includes a single kitchen, sleeping quarters, not more than one bathroom, and not more than two bedrooms on a lot 6,000 square feet or greater [...]
San Jose Secondary Units This is the name used by the City of San Jose to describe their ADUs. They have published Guidelines for Secondary Units In summary: The lot size must be 5,445 sq.ft. or larger Maximum one bedroom [...]
The City of Palo Alto permits ADUs in all residentially zoned districts. Palo Alto Resources Accessory Dwelling Unit Ordinance No. 5412 Guide to ADUs and JADUs Permitting Process in Palo Alto Municipal Code Requirements Section 18.12.070 (R1 Single Family Residential District) [...]