Accessory Structures in Oxnard, CA (2026)
9 verified accessory structures rules for Oxnard, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Oxnard permits ADUs in all residential and mixed-use zones following California ADU law. Detached ADUs may be up to 1,200 sq ft. Attached ADUs are limited to 50% of the primary dwelling or 1,200 sq ft, whichever is less.
Oxnard ADU (Accessory Dwelling Unit) Rules
Some RestrictionsADU Permits
Oxnard processes accessory dwelling units ministerially under City Code Chapter 16 (Zoning Code), Sections 16-467 through 16-468 and related provisions. Review is by the Community Development Department, Planning and Environmental Services Division, with construction permits issued by the Building Division. State law (Cal. Gov. Code §65852.2) preempts most local barriers and requires the City to act within 60 days of a complete application.
Oxnard ADU Permits (City Code Ch. 16 Sec. 16-467)
Some RestrictionsADU Impact Fees
Oxnard cannot impose impact fees on any ADU under 750 square feet — an absolute prohibition under Cal. Gov. Code §65852.2(f)(3)(A). ADUs of 750 sf or larger pay impact fees proportional in square footage to the primary dwelling. Building permit fees, plan-check fees, and school facilities fees on ADUs of 500 sf or larger (under Cal. Ed. Code §17620) still apply.
Oxnard ADU Impact Fees (State Waiver Under 750 sf)
Few RestrictionsADU Owner Occupancy
Oxnard does not impose an owner-occupancy requirement on standard ADUs. Cal. Gov. Code §65852.2(a)(8), as amended by AB 587 (2019) and AB 976 (2023), prohibits cities from requiring owner-occupancy on ADUs permitted on or before January 1, 2025 and indefinitely thereafter. JADUs remain subject to owner-occupancy under Cal. Gov. Code §65852.22(a)(2) with a recorded deed restriction.
Oxnard ADU Owner-Occupancy (No Requirement for ADUs; Required for JADUs)
Few RestrictionsADU Rental Restrictions
Oxnard City Code Sec. 16-467 expressly requires that ADU rental terms be 30 days or longer — short-term vacation rentals of an ADU are prohibited. The ADU may not be sold separately from the primary dwelling unless specifically allowed by State law (AB 1033 / Cal. Gov. Code §65852.26), which Oxnard has not opted into. Long-term rentals are otherwise permitted without a rent cap (Costa-Hawkins, Cal. Civ. Code §1954.52).
Oxnard ADU Rental Restrictions (30-Day Minimum; No Separate Sale Unless City Opts In)
Some RestrictionsShed Rules
Small sheds under 120 sq ft and under 10 feet in height typically do not require a building permit in Oxnard. Larger structures require permits and must meet zoning setbacks.
Oxnard Shed & Outbuilding Rules
Some RestrictionsGarage Conversions
Garage conversions to living space in Oxnard require building permits and must meet California Building Code standards for habitable rooms including egress, ventilation, and insulation.
Oxnard Garage Conversion Rules
Some RestrictionsCarport Rules
Carport construction in Oxnard requires a building permit. Carports must meet zoning setback requirements, maximum lot coverage limits, and California Building Code structural standards. Open-sided carports have different setback rules than enclosed garages.
Oxnard Carport Building Requirements
Some RestrictionsTiny Homes
Tiny homes in Oxnard are regulated as either ADUs (if on a permanent foundation) or park model RVs. California ADU law (AB 68, SB 13) streamlines accessory dwelling unit approval. Tiny homes on wheels are classified as RVs and cannot be used as permanent residences on residential lots.
Oxnard Tiny Home Regulations
Some RestrictionsLooking for Ventura County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Oxnard city rules.
Accessory Structures in Ventura County →