Accessory Structures in Corona, CA (2026)
4 verified accessory structures rules for Corona, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Corona reviews accessory dwelling units ministerially through a building permit plan check, with a 60-day decision deadline. Detached units are capped at 1,200 square feet, up to two ADUs are allowed per single-family lot, and setbacks drop to as little as four feet from side and rear lines.
Accessory Dwelling Unit Rules in Corona
Some RestrictionsCorona Code of Ordinances § 17.85.040
The total floor area for an accessory dwelling unit shall not exceed 1,200 square feet, if detached, or 50% of the primary unit if attached... Nothing in this chapter shall be construed and no development standard shall apply to prohibit the construction of an accessory dwelling unit that is at least 16 feet in height and at least 800 square feet in size... A setback of no more than four feet f...
ADU Owner Occupancy
Corona requires the property owner to live in either the primary home or the junior accessory dwelling unit as a principal residence before a JADU may be built, under Municipal Code Section 17.85.050(B). The requirement is waived only if the owner is a government agency, land trust or housing organization.
Corona JADU Owner-Occupancy Requirement
Significant RestrictionsCorona Code of Ordinances § 17.85.050(B)
The owner of the lot proposed for the junior accessory dwelling unit shall occupy, as a principal residence, either the primary unit or the junior accessory dwelling unit. Owner occupancy shall not be required if the owner is another government agency, land trust, or housing organization.
ADU Rental Restrictions
Corona bars renting a junior accessory dwelling unit, or the primary home paired with one, for stays under 30 days, under Municipal Code Section 17.85.050(C). The same section prohibits selling a JADU separately from the primary unit, though long-term rental of either unit is allowed.
Corona JADU Short-Term Rental Ban
Some RestrictionsCorona Code of Ordinances § 17.85.050(C)
The junior accessory dwelling unit shall not be sold independently of the primary unit on the lot. Either unit may be rented; however, short term rentals less than 30 days are prohibited.
Shed & Carport Rules
Corona keeps detached sheds and accessory buildings at least five feet from the primary dwelling and four feet from side or rear lot lines under Corona Code of Ordinances § 17.66.010. Structures under six feet tall in the rear yard, or under 120 square feet, skip those setback standards, and Corona's building code separately exempts one-story tool and storage sheds up to 120 square feet from needing a building permit at all.
Shed and Accessory Building Rules in Corona
Some RestrictionsCorona Code of Ordinances § 17.66.010
(A) No garage or other accessory building shall be located in any R zone without a permissive primary unit. (B) Detached accessory buildings shall be at least five feet from the primary unit. Accessory buildings shall be separated by five feet. (C) (1) Detached accessory buildings which match the architecture of the primary unit shall be permitted to be constructed at or up to the front setback...
Looking for Riverside County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Corona city rules.
Accessory Structures in Riverside County →