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City of San Mateo Municipal Code.

27.84.025 EXISTING FENCES.

A fence, wall, or similar structure which has been constructed prior to June 7, 1993 shall be permitted without the need for permit approvals otherwise required by this Municipal Code, including permits under Title 27 and Title 23. Nothing herein shall be construed to authorize a fence, wall, or similar structure in violation of Section 27.84.010(b) or in violation of the City's nuisance laws if the City determines that a nuisance exists (excepting therefrom a nuisance based on the failure to obtain permit approvals).