Sign Regulations in Walnut Creek, CA (2026)
2 verified sign regulations for Walnut Creek, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
Walnut Creek treats political signs the same as other temporary yard signs under content-neutral rules: 6 sq ft aggregate on private property. California Elections Code §18370 and constitutional free speech protections prohibit the city from imposing election-specific time limits or content restrictions.
Signs: Political Signs
Few RestrictionsCal. Civ. Code § 4710
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...
Garage Sale Signs
Walnut Creek allows temporary garage sale signs during active sale hours only, on private property with owner permission. Signs on utility poles, street trees, and public rights-of-way are prohibited under WCMC Chapter 10 and subject to summary removal.
Signs: Garage Sale Signs
Few RestrictionsLooking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Walnut Creek city rules.
Sign Regulations in Contra Costa County →