Sign Regulations in San Jose, CA (2026)
6 verified sign regulations for San Jose, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
San Jose regulates political signs as part of content-neutral temporary sign rules in SJMC Chapter 23. Residential properties may display temporary signs up to 8 square feet per sign without permits. Signs in the public right-of-way are prohibited. The city rewrote sign rules after Reed v Gilbert to apply uniformly to all temporary signs regardless of message.
San Jose Temporary Sign Rules (SJMC §23.02)
Few RestrictionsGarage Sale Signs
Garage sale signs in San Jose are governed by the temporary sign provisions of SJMC Title 23. Signs advertising garage or yard sales may be placed on the property where the sale is being held without a permit. Off-site directional signs placed on public property, utility poles, or in the right-of-way are prohibited. Signs must be removed immediately after the sale ends.
San Jose Garage Sale Sign Rules
Some RestrictionsHoliday Displays
Seasonal and holiday displays on private residential property in San Jose are generally permitted under SJMC Title 23. Temporary holiday decorations including lights, inflatable displays, and yard decorations do not require permits. Displays must not create traffic hazards, obstruct visibility at intersections, or violate electrical safety codes. There are no specific time limits for residential holiday displays, though the City may enforce nuisance standards if displays create persistent light trespass or safety concerns.
San Jose Holiday Display Regulations
Few RestrictionsDigital Billboards
San Jose Municipal Code Title 23 (Sign Code) prohibits new off-site outdoor advertising displays citywide and limits electronic message signs in most zones. The California Outdoor Advertising Act and Caltrans permits separately govern any billboard visible from state highways and freeways.
San Jose Largely Bans New Digital Billboards Outside Downtown
Heavy RestrictionsWindow Signs
San Jose Municipal Code Title 23 limits permanent window signs in most commercial zones to roughly 25 percent of the window area. Temporary banners, neon, and interior-lit displays count toward overall sign allowance and may need a city sign permit for non-exempt installations.
San Jose Caps Window Sign Coverage at Twenty Five Percent
Some RestrictionsFreeway-Facing Signs
Any sign visible from US 101, I-280, I-680, I-880, SR-87, or SR-85 in San Jose requires a Caltrans Outdoor Advertising permit under California Business and Professions Code §5200. The city additionally enforces SJMC Title 23 zoning, height, and lighting limits on freeway-facing displays.
Caltrans Permits Required for Any San Jose Freeway-Visible Sign
Heavy RestrictionsLooking for Santa Clara County county-wide rules?
County ordinances apply to unincorporated areas and may supplement San Jose city rules.
Sign Regulations in Santa Clara County →