Sign Regulations in Antioch, CA (2026)
2 verified sign regulations for Antioch, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
Political signs are protected non-commercial speech in Antioch. Residents may display signs on private property during and outside election seasons, subject to the same content-neutral size and placement rules as other yard signs. Civil Code §4710 protects political signs in HOAs.
Signs: Political Signs
Few RestrictionsCalifornia Civil Code Section 4710
(a) The governing documents may not prohibit posting or displaying of noncommercial signs, posters, flags, or banners on or in a member's separate interest, except as required for the protection of public health or safety or if the posting or display would violate a local, state, or federal law. (b) For purposes of this section, a noncommercial sign, poster, flag, or banner may be made of paper...
Garage Sale Signs
Antioch allows small garage sale signs on private property during sales. Signs in the public right-of-way (utility poles, sidewalks, medians) are prohibited and removed by Public Works. Signs must be removed promptly after the sale ends.
Signs: Garage Sale Signs
Few RestrictionsLooking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Antioch city rules.
Sign Regulations in Contra Costa County →