Shed permit rules in Newport Beach, CA — also referred to as storage shed, backyard shed, or accessory building regulations — set size limits, setbacks, and when a building permit is required.
Newport Beach regulates sheds and accessory structures under NBMC Title 20 zoning and Title 15 building codes. Small sheds under 120 square feet may be exempt from building permits but must still meet zoning setbacks.
Sheds and detached storage buildings in Newport Beach are regulated under NBMC Title 20 (Zoning) for placement and Title 15 (Building) for construction. Under the California Building Code as adopted by the city, accessory structures under 120 square feet that are one story and not served by utilities may be exempt from building permits. However, all sheds must comply with zoning setback requirements regardless of size — typically 3–5 feet from side and rear property lines depending on the zone. Sheds in front yard setbacks are generally prohibited. Maximum height for accessory structures is typically limited by the zoning district. Structures over 120 square feet require building permits. Sheds must not exceed lot coverage maximums when combined with the primary dwelling and other structures. Prefabricated sheds still must meet setback requirements. Metal shipping containers used as storage are generally not permitted in residential zones. The Community Development Department at (949) 644-3200 handles questions about shed placement and permits.
Sheds placed in violation of setback requirements are subject to code enforcement action, including possible removal. Building a shed over 120 square feet without a permit can result in fines, required retroactive permitting, or removal orders.
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