Before You Build in Newport Beach, CA: Permit & Rule Checklist (2026)

Newport Beach enforces California Building Code requirements for pool barriers, requiring all residential swimming pools and spas to be enclosed by fencing or barriers at least 5 feet high with self-closing, self-latching gates. Additional layer-of-protection measures are required.

Newport Beach requires building permits for retaining walls over 4 feet in height and regulates combined fence-and-retaining-wall structures. Engineered plans are required for taller walls, and grading permits may be needed for associated earthwork.

Newport Beach Zoning Code regulates fence heights based on yard location. Front yard fences are generally limited to 3 feet, while side and rear yard fences may be up to 6 feet. Height exceptions apply in some zoning districts and for certain materials.

Newport Beach generally does not require a building permit for standard residential fences under 6 feet in height, but fences exceeding height limits, those on retaining walls, or those in the Coastal Zone may require permits or approvals.

Shared boundary fences in Newport Beach are governed primarily by California Civil Code good neighbor fence provisions. Both property owners generally share responsibility for maintaining a boundary fence, and disputes are handled through state law rather than specific city ordinances.

Newport Beach regulates above-ground pools under the same safety barrier and water quality standards as in-ground pools. Pools exceeding 24 inches in water depth require barrier fencing meeting California Building Code requirements. Building permits are generally required for permanent or semi-permanent above-ground pool installations.

Newport Beach requires building permits for all in-ground and permanent above-ground swimming pools under NBMC Title 15. Permits include plan review, inspections, and compliance with setback and barrier requirements.

Newport Beach requires pool barriers meeting California Building Code Section 3109 for all residential pools and spas. Barriers must be at least 60 inches high with self-closing, self-latching gates.

Newport Beach residential pools must comply with California Swimming Pool Safety Act requirements including anti-entrapment drain covers, at least two safety features, and specific equipment standards under NBMC Title 15.

Newport Beach requires building and electrical permits for permanent hot tub and spa installations. Spas must comply with California Building Code barrier requirements, electrical safety standards, and property setback rules. Covers and locking mechanisms serve as acceptable barriers for residential spas when compliant with ASTM standards.

Newport Beach allows accessory dwelling units under NBMC Chapter 20.48 in compliance with California ADU law. The city has adopted specific development standards for ADUs including size limits, setbacks, and parking requirements.

Newport Beach allows garage conversions to ADUs under California ADU law, which preempts local parking replacement requirements. Converting a garage to general living space outside ADU provisions requires replacing lost parking per NBMC Title 20.

Newport Beach regulates tiny homes and small dwellings through its zoning and building codes. Factory-built tiny homes on permanent foundations may qualify as accessory dwelling units under state ADU law. Tiny homes on wheels are classified as recreational vehicles and cannot be used as permanent residences in residential zones.

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.

Newport Beach requires building permits for carport construction and regulates their size, location, height, and setbacks through zoning code Title 20. Carports in residential zones must comply with lot coverage limits and cannot encroach into required setback areas without a variance or modification permit from the Planning Division.

Open burning is prohibited in Newport Beach under the South Coast AQMD rules and NBMC Title 9. Outdoor cooking in approved devices is permitted. Beach fires are restricted to designated city fire rings.

Newport Beach regulates residential fire pits under the California Fire Code as adopted in NBMC Title 9. Open-flame fire pits require setbacks from structures. Beach fire rings are managed by the city at designated locations.

Newport Beach requires property owners to trim trees that overhang public sidewalks and streets to maintain safe clearance. The city maintains public trees and has specific rules about trimming city-owned trees on parkways and in public areas.

Newport Beach follows Mesa Water District and Irvine Ranch Water District watering schedules, supplemented by state drought mandates. Outdoor irrigation is limited to specific days and times, and water waste is prohibited year-round.

Newport Beach requires permits for removing most trees on private property and strictly protects designated species including coral trees, Canary Island pines, and other significant specimens. The city arborist reviews all removal requests and may require replacement plantings. Unauthorized removal of protected trees carries substantial fines.