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Buena Park, CA Accessory Structures: ADU Owner Occupancy (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Owner-occupancy applies to
JADUs only, not standalone ADUs
Recording requirement
Declaration filed with County Recorder
Exempt owners
Government agency, land trust, housing org
JADU minimum rental term
30 days
State law basis
Gov. Code § 66333 (JADUs)
ADU state override
Gov. Code §§ 66310-66342 bars ADU mandate
Adopting ordinance
Ord. No. 1754 (6/24/2025)

Summary

Buena Park requires the owner of a junior accessory dwelling unit (JADU) to live in one of the dwellings on the property, a deed-recorded condition of the building permit. The rule applies only to JADUs, not standalone ADUs, because state law bars cities from imposing owner-occupancy on full ADUs.

20. Specific Junior Accessory Dwelling Units Requirements. Notwithstanding anything contrary in this section, the requirements and standards of this subsection shall apply specifically to junior accessory dwelling units. a. The owner of the single-family lot shall occupy the single-family dwelling, any accessory dwelling unit that may exist on the lot in compliance with this section, or the junior accessory dwelling unit as their principal place of residence. ... e. The owner of a property with a junior accessory dwelling unit shall reside in one of the dwelling units on the property. This owner-occupancy requirement shall not apply to a junior accessory dwelling unit owned by a governmental agency, land trust, or housing organization.

Full Breakdown

010(C)(20) sets rules that apply, in the code's own words, 'specifically to junior accessory dwelling units,' distinct from the accessory dwelling unit (ADU) standards elsewhere in the same section. Subsection (C)(20)(e) states the owner-occupancy rule directly: the owner of a property with a JADU must reside in one of the dwelling units on the property, and this requirement does not apply to a JADU owned by a governmental agency, land trust, or housing organization. Subsection (C)(20)(a) echoes the same principle, requiring the single-family lot owner to occupy the primary dwelling, an ADU on the lot, or the JADU as their principal residence.

As a condition of obtaining a building permit for a JADU, subsection (C)(20)(b) requires the owner to record a declaration with the County Recorder confirming the JADU cannot be sold separately from the primary residence, that its size and attributes conform to California Government Code Section 66333, and that the minimum rental term for either unit is 30 days. 2), bars local agencies from requiring an owner to occupy the property as a condition of approving a standalone ADU; California law instead permits owner-occupancy conditions specifically for JADUs under Government Code Section 66333, which the recorded declaration cites directly. Ordinance No. 1754, adopted June 24, 2025, put the current version of this section into effect.

Violations & Fines

Under Section 19.348.010(C)(20)(b)(iv), the recorded deed restriction is binding on any successor owner, and noncompliance may result in legal action against the property owner to compel compliance with this section. Independently, a violation of Title 19 is a misdemeanor under Section 19.148.010, punishable by up to a $1,000 fine, up to six months in jail, or both, with the City also able to pursue civil nuisance abatement under Section 19.148.030.

Frequently Asked Questions

Does Buena Park require ADU owners to live on the property?
No. State law (Government Code Sections 66310 through 66342) bars cities from requiring owner-occupancy as a condition of a standalone accessory dwelling unit. Buena Park's owner-occupancy rule in Section 19.348.010(C)(20) applies only to junior accessory dwelling units, not full-size ADUs.
What does the JADU owner-occupancy rule require?
The property owner must reside in one of the dwelling units on the lot, whether the primary home, an ADU, or the JADU itself. Government agencies, land trusts, and housing organizations that own a JADU property are exempt from this requirement.
How is the owner-occupancy requirement enforced?
The owner must record a declaration with the County Recorder before getting a JADU building permit, and the restriction binds future owners. Noncompliance can trigger legal action to compel compliance under Section 19.348.010(C)(20)(b)(iv), separate from the citywide misdemeanor penalty in Section 19.148.010.
Can a JADU be rented short-term in Buena Park?
No. Under Section 19.348.010(C)(20)(b)(iii), the minimum rental term for either the junior accessory dwelling unit or the primary residence is 30 days, matching the same 30-day floor Buena Park applies to full accessory dwelling units.

Sources & Official References

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