Sign Regulations in Ontario, CA (2026)
3 verified sign regulations for Ontario, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
Ontario allows political signs on private property under First Amendment protections, with content-neutral limits on size, location, and removal timing under OMC Chapter 9.
Ontario Political Sign Rules
Few RestrictionsGarage Sale Signs
Ontario allows small garage sale directional signs on private property during the sale, but prohibits attaching them to utility poles, street trees, or traffic signs under OMC Chapter 8 and Vehicle Code 21466.5.
Ontario Garage Sale Sign Rules
Some RestrictionsHoliday Displays
Ontario allows seasonal holiday decorations and lights on residential property without a permit, but requires compliance with electrical code, sight distance, and HOA rules.
Ontario Holiday Display Rules
Few RestrictionsLooking 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 →