Tustin, CA Fence Regulations: Neighbor Fence Rules (2026)

Tustin City Code § 9271i(2) is a land use control tied to zoning classification: whenever a "C" (commercial), "M" (manufacturing) or "Pr" (professional) district sits next to a residential zone, or an R3, R4 or PD multifamily district sits next to an R1 single-family zone, the code requires a solid masonry wall six feet eight inches high built on that zone boundary line. The wall height steps down to three feet for the portion running along the front yard depth of the abutting residential property, unless the Planning Department approves a greater height in writing, which keeps the corner and front-yard sightlines consistent with the general fence rules in § 9271i(1).

Where an "M" district abuts a "C" or "Pr" district, the same 6'8" solid masonry wall is required on that boundary too, extending the buffering requirement beyond residential adjacency alone. The Community Development Director can waive or modify the wall requirement if an existing solid masonry wall already sits on the adjoining property and can be brought into conformance, suitable landscaping is added, the wall is protected from vehicle damage, and the adjoining owner concurs when needed; alternatively, a property owner can seek a Conditional Use Permit under § 9291 to waive or modify the requirement outright.

This zone-boundary obligation is separate from, and does not substitute for, the general fence height limits of § 9271i(1) that apply within a single zoning district; Tustin's code does not separately regulate cost-sharing for a fence between two adjoining homes in the same residential zone.