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Encyclopedia entry

No Trespassing Signage

Posted notice referenced by some trespass-law provisions as evidence that entry was unauthorized.

No trespassing signage refers to posted notices at property entrances and boundaries stating that entry is not permitted, which some subsections of California Penal Code 602 reference as a way to establish unauthorized entry.

Signage strengthens a trespass case but does not by itself authorize a security officer to physically remove anyone — that authority, when it exists at all, still runs through the citizen's-arrest framework and typically involves calling local police.

Sign content, size, and placement requirements can vary by the specific statutory context (agricultural land, private roads, general property), so current statutory text should be checked when designing enforcement-focused signage.

Related entries

Trespass (California Penal Code 602)The general term for unauthorized presence on property that California law addresses through Penal Code Section 602.Territorial ReinforcementDesign and signage cues that signal a space is owned, watched, and cared for.

Official sources

  1. [1]Cal. Penal Code § 602.8 — Trespass on LandCalifornia Legislative Information

Links point to the publishing agency or the California Legislative Information text. Government pages are reorganized periodically — if a link moves, search the code section or agency name at the official site.

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General industry and regulatory usage — not legal advice, and not an endorsement by BSIS, the Department of Consumer Affairs, or any law-enforcement agency. Statutes, regulations, and local ordinances change; verify current text at the official government source or with your attorney.

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