Sign Regulations in Ontario, CA (2026)
1 verified sign regulations for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Garage Sale Signs
Ontario caps garage and yard sale signage at one double-faced sign per property, six square feet per side, and the sign may go up only on the actual sale days. The Police Department enforces the chapter alongside the four-weekends-a-year sale limit.
Ontario Garage Sale Sign Rules
Some RestrictionsOntario Municipal Code Sec. 5-15.04 (Signs)
One double-faced sign, not to exceed six (6) square feet in area on any one side, shall be permitted on the property where such sale is located. Such sign may be posted only on the days of the sale.
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Ontario city rules.
Sign Regulations in San Bernardino County →