Accessory Structures in Pomona, CA (2026)
6 verified accessory structures rules for Pomona, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Pomona regulates ADUs and JADUs under Sec. 830.A of the Zoning and Development Code, approving compliant units ministerially within 60 days without a hearing. Detached ADUs on lots under 7,200 square feet cap at 850 to 1,000 square feet depending on bedroom count, height tops out at 16 feet for most detached units, and no off-street parking is required for any ADU.
Pomona Accessory Dwelling Unit Zoning Rules
Some RestrictionsPomona, CA, Zoning and Development Code § 830.A.3, 830.A.4.c, 830.A.6.b/f (Accessory Dwelling Units)
Accessory Dwelling Unit. An attached or a detached residential dwelling unit that provides complete independent living facilities (permanent provisions for living, sleeping, eating, cooking, and sanitation) for one or more persons and is located on a lot with a proposed or existing primary residence. ... The City must approve or deny an application to create an ADU or JADU within 60 days from t...
ADU Impact Fees
Pomona charges no impact fee on an ADU of 749 square feet or smaller. Larger ADUs pay a fee prorated to the primary dwelling's floor area, and utility connection fees follow a separate three-tier rule depending on how the unit was created.
Pomona ADU Impact Fee Standards
Some RestrictionsPomona, CA, Zoning and Development Code Sec. 830.A.7.a (Impact Fees)
a. Impact Fees 1. No impact fee is required for an ADU that is less than or equal to 749 square feet in area. 2. Any impact fee that is required for an ADU that is 750 square feet or larger in area must be charged proportionately in relation to the square footage of the primary dwelling unit. (E.g., the floor area of the primary dwelling, divided by the floor area of the ADU, times the typica...
ADU Owner Occupancy
Pomona requires owner-occupancy for junior accessory dwelling units. A natural person holding legal or equitable title must live on the property, in the primary home or the JADU, as a permanent residence, unless a government agency, land trust, or housing organization owns the whole property.
Pomona JADU Owner-Occupancy Requirement
Some RestrictionsPomona, CA, Zoning and Development Code Sec. 830.A.5.g (Owner-Occupancy)
g. Owner-Occupancy As required by state law, all JADUs are subject to an owner-occupancy requirement. A natural person with legal or equitable title to the property must reside on the property, in either the primary dwelling or JADU, as the person's legal domicile and permanent residence. However, the owner-occupancy requirement of this paragraph does not apply if the property is entirely owne...
ADU Rental Restrictions
Pomona bars short-term rental use of accessory dwelling units outright. City Code Sec. 30-591(d) says no ADU, junior ADU, or dwelling created under Government Code Sections 65852.2 or 65852.22 may ever be used for short-term rental, even though the primary house on the same lot can qualify for an STR permit.
Pomona ADU Short-Term Rental Ban
Heavy RestrictionsPomona, CA, City Code Sec. 30-591(d) (Short-Term Rentals, Division 5, Regulations)
No accessory dwelling unit, junior accessory dwelling unit, or dwelling created under Government Code Sections 65852.2 or 65852.22 may be used for short-term rental.
Shed & Carport Rules
Pomona's Zoning and Development Code allows sheds without a permit in every use module, but caps them at 12 feet in height and 120 square feet in size. Sheds must sit in a rear yard, set back at least 5 feet from the side or rear lot line, and are limited to 1 shed per 2,000 square feet of lot area.
Pomona Shed Size and Setback Rules
Some RestrictionsPomona, CA, Zoning and Development Code § 550.C.1 (Accessory Uses and Structures, Standards, Shed)
Sheds are permitted without a permit as an accessory use in all Use Modules, subject to the following standards: a. Form 1. Maximum height: 12 feet 2. Maximum size: 120 gross square feet b. Placement 1. Number allowed: 1 per 2,000 square feet of lot area 2. Must be within a rear yard only 3. Setback from side or rear lot line: 5 feet
Garage Conversions
Pomona lets homeowners convert an existing garage into an Accessory Dwelling Unit under Sec. 830.A.4.a.1 of the Zoning and Development Code with only a building permit, no discretionary hearing. A garage converted this way keeps the required parking spaces from having to be replaced, and a structure rebuilt in the same footprint needs no additional yard setback.
Pomona Garage-to-ADU Conversion Rules
Some RestrictionsPomona, CA, Zoning and Development Code § 830.A.4.a.1.iii, § 830.A.4.c.4, § 830.A.6.d.4/f.5 (Accessory Dwelling Units)
a) An existing, Accessory Structure of any size may be converted to an Interior ADU. b) Any proposed expansions greater than the 150 additional square feet limited to accommodating ingress and egress are not permitted. ... In instances where a detached garage is to be demolished and replaced by an ADU, the application for the demolition of the garage will be reviewed with the application for th...
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