TYPES OF ACCESSORY DWELLING UNITS.

Oxnard City Code § 16-465.1

in effect

SEC. 16-465.1. TYPES OF ACCESSORY DWELLING UNITS. For the purposes of this Division 13, the following types of ADU shall have the meanings respectively ascribed to them by this section: (A) “Accessory dwelling unit” (ADU; also known as “second unit,” “granny flat,"” “in-law suite,” “tiny home” and/or “cottage”) are small residential units on a permanent foundation located within, attached to, or detached and adjacent to the primary single-family unit or multi-family structure, and can provide an important source of affordable housing. An ADU 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. An ADU also includes the following: (1) An efficiency unit, as defined in Section 17958.1 of the Cal. Health and Safety Code. (2) A manufactured home, as defined in Section 18007 of the Cal. Health and Safety Code. (B) “ADU permitted pursuant to Cal. Gov’t Code Section 66323" (also known as “66323 Units,” “state mandated ADUs” or “state exempt ADUs”) are one of the four delineated types of ADUs (and JADUs) that must be permitted ministerially and are subject to reduced standards outlined under Cal. Gov’t Code Section 66323. See Section 16-465.5. (C) “Attached ADU” is an ADU attached by at least one common wall or ceiling/floor to a primary dwelling unit, and is not fully contained with the primary dwelling unit. The attached ADU includes new construction and conversion of an existing attached accessory building or structure. “Detached ADU” is an ADU that does not share a common wall with the primary dwelling unit. The detached ADU includes new construction and conversion of an existing detached accessory building or structure and can be attached to a detached accessory structure. (D) “Junior accessory dwelling unit; JADU” means a unit that is no more than 500 square feet of interior livable space in size and contained entirely within a single-family residence. A JADU may include separate sanitation facilities, or may share sanitation facilities with the existing structure. (Ord. No. 2984, 3072)

Source: City of Oxnard, California, City Code (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/oxnard/latest/oxnard_ca/0-0-0-77898Fetched: 11/8/2026