Unincorporated Riverside County permits temporary political signs on private property without a permit, consistent with the First Amendment and California Elections Code. Signs may be posted up to 90 days before an election and must be removed within 10 days after, and the aggregate size on a single residential parcel is generally capped at 32 square feet per Riverside County Ordinance 348.
Riverside County's Zoning Ordinance 348 treats political campaign signs as a protected temporary sign category and restricts only non-content-based elements: size, placement, and duration. On residential lots individual signs are limited to 6 square feet and aggregate sign area to 32 square feet; on commercial and industrial lots individual signs up to 32 square feet are allowed. Signs cannot be placed in the public right-of-way, on utility poles, on traffic control devices, or on fences and medians maintained by the county. Placement on private property requires owner consent. Caltrans enforces separate rules along state highways such as Interstate 10, Interstate 15, and State Route 74 where Outdoor Advertising Act setbacks apply. Illuminated political signs trigger Mount Palomar Ordinance 655 shielding rules in western Riverside County. The county removes signs from the public right-of-way without notice and may bill the candidate committee. Sign-theft and defacement are separate offenses under California Penal Code 594.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Riverside County code enforcement directly for current fines, enforcement procedures, and hearing options.
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