Sign Regulations in Yolo County, CA (2026)
3 county-level rules, plus city-specific rules for 1 city in Yolo County, California.
Verified from official government sources
Political Signs
Temporary political signs are allowed by right in unincorporated Yolo County without Site Plan Review under Sec. 8-2.1205(f), as long as they go up no more than 90 days before an election and come down within 10 days after, are capped at 32 square feet, and limited to one per parcel.
Political Signs Allowed 90 Days in Yolo County
Some RestrictionsYolo County Code of Ordinances § 8-2.1205(f)
Temporary signs of any nature, including temporary event and/or political signs, that are posted for a duration of not more than ninety (90) days. Temporary event and/or political signs shall be placed no sooner than ninety (90) days prior to the scheduled event or election, and shall be removed within ten (10) days after such event or election, as required by the State Outdoor Advertising Act....
Digital Billboards
Yolo County's zoning code kills digital billboards two ways. Section 8-2.1203(b) bans animated signs, including electronic message display signs, in every zoning district countywide. Table 8-2.1206 separately marks off-premises signs, a category defined to include billboards, as not allowed in any zone, from agricultural and residential districts to the county's heavy industrial zone.
Yolo County Bans Digital and Off-Premises Billboards
Heavy RestrictionsYolo County Code of Ordinances §§ 8-2.1202, 8-2.1203(b) and Table 8-2.1206
Off-premises sign A sign which directs attention to a business, profession, commodity, service or entertainment conducted, sold, or offered elsewhere than upon the same lot or parcel on which said sign is located. This definition shall include billboards, posters, panels, painted bulletins, and similar advertising displays. ... In order to achieve the purposes of this section, the following typ...
Window Signs
In Yolo County's Downtown Mixed Use (DMX) zone, centered on Esparto's Yolo and Woodland Avenues, Sec. 8-2.1208(f)(6) caps window signage at 20 percent of a storefront's total window frontage, on top of separate limits on temporary window graphics and interior signs visible from outside.
Downtown Window Sign Limit in Yolo County
Some RestrictionsYolo County Code of Ordinances § 8-2.1208(f)(6),(10)
In addition to the design standards described above, the following additional design standards shall be applied in the Downtown Mixed Use (DMX) zone. If there is a conflict between the general or design standards for all signs and these sign regulations specifically adopted for the DMX zone, the DMX zone regulations shall apply: ... (6) Window signage shall be limited to twenty (20) percent of ...
Sign Regulations by City in Yolo County
1 cities in Yolo County have their own sign regulations rules. Each link goes to that city's dedicated page with code citations.
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