Accessory Structures in Garden Grove, CA (2026)
5 verified accessory structures rules for Garden Grove, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Garden Grove allows one ADU on any lot zoned for single-family or multi-family residential use under Municipal Code Section 9.54.020. JADUs are limited to lots zoned single-family. Multi-family lots may add up to eight detached ADUs, and the City reviews complete applications ministerially, without a hearing, within 60 days.
Garden Grove Accessory Dwelling Unit Zoning Rules
Some RestrictionsGarden Grove, CA, Municipal Code Sec. 9.54.020 (Locations Permitted)
A. Permitted ADU Locations. ADUs conforming to the provisions in this chapter may be located on any lot in the City that is zoned to allow single-family or multiple-family residential uses and that includes a proposed or existing legally developed single-family or multiple-family dwelling. B. Permitted JADU Locations. JADUs conforming to the provisions in this chapter may be located within a pr...
ADU Impact Fees
Garden Grove waives development impact fees entirely for accessory dwelling units under 750 square feet. Municipal Code Section 9.54.090 charges impact fees on larger ADUs only in proportion to the primary dwelling's square footage, and excludes connection fees, capacity charges, and permit or plan-check fees from the impact-fee definition.
Garden Grove ADU Development Impact Fee Rules
Some RestrictionsGarden Grove, CA, Municipal Code Sec. 9.54.090 (Impact Fees)
A. Construction of an ADU is subject to applicable development impact fees adopted by the City pursuant to California Government Code, Title 7, Division 1, Chapter 5 (commencing with Section 66000) and Chapter 7 (commencing with Section 66012). B. No impact fee as required by this Code is required for an ADU that is less than 750 square feet in size. C. Any impact fee that is required for an AD...
ADU Owner Occupancy
Garden Grove does not require an owner to live on site to rent out a regular ADU. Municipal Code Section 9.54.060(C) treats ADUs and JADUs differently: owner occupancy is optional for a standalone or attached ADU, but a JADU requires the property owner to occupy either the JADU or the remaining primary home as a principal residence.
Garden Grove ADU Owner-Occupancy Requirements
Some RestrictionsGarden Grove, CA, Municipal Code Sec. 9.54.060(C) (Owner Occupancy Requirements)
C. Owner Occupancy Requirements. 1. ADUs. Owner occupancy of a primary dwelling or ADU is not required. 2. JADUs. An owner of record of the lot upon which a JADU is located must occupy either the JADU or the remaining portion of the primary single-family dwelling as his/her/their principal residence. Notwithstanding the foregoing, owner-occupancy is not required if the owner is another governme...
ADU Rental Restrictions
Garden Grove bans short-term rentals of accessory dwelling units and junior ADUs. Municipal Code Section 9.54.060(B) requires any rental term to run 30 days or longer, and the same section bars selling or conveying an ADU or JADU separately from the primary residence.
Garden Grove ADU 30-Day Minimum Rental Rule
Some RestrictionsGarden Grove, CA, Municipal Code Sec. 9.54.060(B) (Other Requirements: No Short-Term Rental Permitted)
B. No Short-Term Rental Permitted. An ADU or JADU that is rented shall be rented for a term that is 30 days or longer. Short-term rental (i.e., less than 30 days) of an ADU or a JADU is prohibited.
Shed & Carport Rules
A detached accessory structure in Garden Grove's R-1 zone maxes out at 800 square feet and 17 feet tall, and no more than three of them are allowed per lot. Small tool sheds and playhouses under 120 square feet skip the architectural-matching requirement as long as they sit toward the rear of the lot.
Garden Grove Shed and Accessory Structure Rules
Some RestrictionsGarden Grove, CA, Municipal Code Sec. 9.08.040.030(D)
D. Accessory Structures. In addition to the requirements of Section 9.08.040.030.A, all accessory structures, constructed on a property used for single-family residential purposes shall comply with all of the following provisions... 1. Maximum floor area for any detached accessory structure shall not exceed 800 square feet inside dimension; 2. No more than three detached accessory structures ma...
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County ordinances apply to unincorporated areas and may supplement Garden Grove city rules.
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