Sign Regulations in Napa, CA (2026)
1 verified sign regulations for Napa, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Political Signs
Political signs in the City of Napa are protected speech under the First Amendment and must be regulated content-neutrally under Reed v. Town of Gilbert, 576 U.S. 155 (2015). Napa's sign rules are in Chapter 17.55 (Sign Ordinance) of Title 17 (Zoning). Section 17.55.120 permits temporary noncommercial signs without a permit in residential zones, and during election periods each parcel is allowed additional noncommercial signs subject to objective height, location, and lighting requirements. California Government Code Section 65850.4 and Civil Code Section 1947.15 add state preemption and tenant-display protection.
Napa Political Sign Rules (Chapter 17.55)
Few RestrictionsCal. Civ. Code Section 4710 (HOA Signs)
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. ... An association may prohibit noncommercial signs and posters that are more than nine square feet in s...
Looking for Napa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Napa city rules.
Sign Regulations in Napa County →