Section 202 — GENERAL DEFINITIONS
2025 California Existing Building Code (Title 24, Part 10) · 2025 edition · ingested 2026-07-07 · California
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ACCESSORY DWELLING UNIT. [HCD 1 & HCD 2] An attached or detached residential dwelling unit that provides complete independent living facilities for one or more persons and is located on a lot with a proposed or existing primary residence. Accessory dwelling units shall include permanent provisions for living, sleeping, eating, cooking and sanitation on the same parcel as the single-family or multi- family dwelling is or will be situated. (See Government Code Section 65852.2.) [A] ADDITION. An extension or increase in floor area, number of stories, or height of a building or structure. [A]…