Alameda, CA Sign Regulations: Window Signs (2026)

2 as any sign painted on, affixed to, or placed within three feet of a window, door or opening and designed to be viewed from outside the building, excluding merchandise displays. c then sets the operative standard: window signs are permitted only for windows, doors or openings on the first and second floors of a building frontage, and each sign must be mounted on the inside of, or painted on, the glass rather than hung outside. No permanent or temporary window sign may exceed ten square feet, and no single sign may cover more than 25 percent of the area of the window it occupies, measured by the window's frame.

3, which require a sign permit reviewed by the Planning Director for all permanent signs, including window signs that would otherwise not need a building permit. f: one per building elevation with street frontage, for up to 30 consecutive days and a cumulative 90 days per year, still subject to the same size cap. 5 square feet, and genuine 'window displays' of merchandise, are carved out of the window sign count entirely. c, allowing up to 25 percent window coverage but with special-event exceptions.