ADUs are allowed on any single-family residential, multi-family-residential and mixed-use zoned property where an existing single-family dwelling or multi-family dwelling has been established or a new single-family dwelling or multi-family dwelling is being proposed.
The zoning districts which allow ADUs are R-1, R-2, R-3, R-4, P-D where residential use is allowed and Specific Plan areas where residential use is allowed.
An Accessory Dwelling Unit is different from an Accessory Building. An Accessory Building, or structure, includes sheds, tool sheds, workshops, and garden sheds. SBMC 12.84.140.