Sign Regulations in Rialto, CA (2026)
4 verified sign regulations for Rialto, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Garage Sale Signs
On-site garage sale signs in Rialto are limited to two, each no larger than four square feet, posted only on the sale property itself. Off-site directional signs need the host property owner's consent and cannot exceed 864 square inches or four signs, and public property postings are banned outright.
Garage Sale Signs Capped at 4 Square Feet
Some RestrictionsRialto Municipal Code Sec. 5.69.100
A.No more than two signs, not more than four square feet, shall be permitted to be displayed on the property of the residence where the garage sale is being conducted.B.The posting of garage sale directional signs on public property, including, but not limited to, parkways, greenbelts, bus benches, sidewalks, curbs, vehicle safety poles, signs, and stanchions, or upon any parked vehicle on a pu...
Digital Billboards
Rialto prohibits flashing signs citywide, defined as any sign illuminated by lights that are intermittently on and off, that change intensity, or that create the illusion of motion, with the sole exception of time-and-temperature displays.
Flashing and Changing-Intensity Signs Banned in Rialto
Heavy RestrictionsRialto Municipal Code Sec. 18.102.020(B)(6), 18.102.050(B)(2) (Ord. 917, 1984; Ord. 1331, 2002)
6.Flashing Sign. Any sign which contains or is illuminated by lights which are intermittently on and off, which change intensity, or which create the illusion of motion in any manner... B.Prohibited Signs. All signs not expressly permitted are prohibited in all zones, including, but not limited to, the following:1.Roof signs;2.Flashing signs, except in time and temperature signs;3.Revolving signs;
Window Signs
In Rialto's commercial and industrial zones, window signs may not cover more than fifty percent of the window area on street-facing building elevations, or twenty-five percent on other elevations, though a permit-exempt window sign under three square feet is always allowed.
Rialto Window Sign Coverage Capped at 50% or 25%
Some RestrictionsRialto Municipal Code Sec. 18.102.020(B)(25), 18.102.060(G)(5) (Ord. 917, 1984; Ord. 1286, 1999)
5.Window signs, commerical and noncommercial, provided that the total area of the displayed window signs shall not exceed fifty percent of the total window area for the front building elevation and side building elevations facing a public street, and twenty-five percent of the total window area on all other building elevations. The placement of window advertisement signs is exempt from the requ...
Freeway-Facing Signs
Rialto bans most freeway-facing signs except in the Rialto Gateway Specific Plan area along I-10, where multi-tenant freeway-oriented business signs get a special height and area allowance the rest of the city does not have.
Freeway-Oriented Signs Limited to Rialto Gateway
Some RestrictionsRialto Municipal Code Section 18.102.060(K)
K. Permitted Signs-Freeway-Oriented Business Signs for Commercial and Industrial Uses Within the Rialto Gateway Specific Plan Area. Notwithstanding the provisions of Section 18.102.060(J), multi-tenant freeway-oriented business signs may be allowed along the north side of the Interstate 10 freeway within the Rialto Gateway Specific Plan area to be visible by the motoring public traveling in bot...
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rialto city rules.
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