Vista, CA Fence Regulations: Material Restrictions (2026)

300(F) is unconditional: barbed wire, razor wire, and similar materials do not constitute permitted fencing materials and shall not be affixed to any building, structure, improvement or fence. The prohibition covers any fence citywide, not just residential lots, and it bars the material both from being attached to an existing fence and from being used to build one outright. 300 defines what a compliant fence looks like. An open fence must allow direct vision through at least 90 percent of its surface, the classic chain link or woven wire without slats.

A protective fence, required around an attractive nuisance such as a pool, must stand at least five feet tall and, if built of vertical members, keep clear openings no wider than four inches with horizontal rails no more than three feet apart; gates must be self-closing and self-latching with the latch at least four and one-half feet above grade. A safety fence around a hazardous condition must be a solid, substantially built fence at least eight feet tall, constructed to Uniform Building Code Section 4407 as adopted by the city.

A solid fence can show no visual images through it, limiting openings to two percent of any one-square-foot segment above eight inches from grade, while a visual screening fence allows up to 20 percent opening, none wider than one-half inch; temporary chain link with slats can qualify for up to three years with the Director of Planning's approval. None of these categories, however, ever legalizes barbed wire or razor wire.