Sign Regulations in Santa Rosa, CA (2026)
4 verified sign regulations for Santa Rosa, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Garage Sale Signs
Santa Rosa lets a homeowner post one garage sale sign at the sale address, up to four square feet, without a Sign Permit under City Code Section 20-38.040(F). That exemption is narrow: it covers only a sign at the residence itself, and the City's separate ban on affixing signs to poles, trees, or posts on public property still applies to directional garage-sale signs.
Santa Rosa Garage Sale Sign Rules
Light RestrictionsSanta Rosa City Code § 20-38.040(F)
Garage sale signs. Up to one sign located at the residence where the garage sale sign is being conducted and not exceeding four square feet is allowed without a Sign Permit.
Digital Billboards
Santa Rosa prohibits electronic reader boards, flashing signs, and any sign with digitally created content citywide under City Code Section 20-38.090(C), along with windblown signs like light-bulb strings and inflatables. The only carve-outs are time-and-temperature displays, digital gas-price signs, digital drive-thru menu boards, and government safety signage.
Santa Rosa Bans Digital and Flashing Signs
Heavy RestrictionsSanta Rosa City Code § 20-38.090(C)
Moving, flashing, electronic/digital and windblown signs. No moving, rotating, flashing, or changing of color intensity or signs with electronic/digitally created content (i.e., electronic reader board signs), and no windblown signs, such as posters, pennants, streamers, or strings of light bulbs, balloons, or other inflated objects are permitted. The only exceptions to these requirements are t...
Window Signs
Santa Rosa caps permanent window signage at 20 percent of a window's total area under City Code Section 20-38.070(Q), and confines those signs to ground-level and second-story windows. Temporary window signs get a separate, tighter allowance: no more than 10 days at a time, and only in ground-floor windows.
Santa Rosa Window Sign Coverage Limits
Some RestrictionsSanta Rosa City Code § 20-38.070(Q)
Window signs. The following standards apply to window signs in all zoning districts where allowed by Section 20-38.060, Zoning District Sign Standards. 1. Maximum sign area. Permanent window signs shall not occupy more than 20 percent of the total window area. 2. Permanent window signs. a. Signs shall be allowed only on windows located on the ground level and second story of a building frontage...
Freeway-Facing Signs
Santa Rosa flatly bans signs primarily oriented toward freeways and highways under City Code Section 20-38.090(D), requiring signage instead to face local streets and business entrances. The rule applies citywide and works alongside the separate ban on off-site billboards in subsection (E).
Santa Rosa Freeway-Oriented Sign Ban
Heavy RestrictionsSanta Rosa City Code § 20-38.090(D)
Freeway oriented signs. Signs primarily oriented toward freeways and highways are prohibited. Signs shall be oriented toward local streets and businesses entrances.
Looking for Sonoma County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Santa Rosa city rules.
Sign Regulations in Sonoma County →