18.156.440: SECOND UNIT DEFINED:
"Second unit" means a detached or attached residential dwelling unit which provides complete, independent living facilities for one or more persons, inclusive of, but not limited to, permanent provisions for living, sleeping, eating, cooking, and sanitation on the same lot as a single-family dwelling is situated. A second unit also includes an efficiency unit as defined in California Health and Safety Code section 17958.1, and a manufactured home as defined in California Health and Safety Code section 18007. (Ord. 2533 § 1, 2003)