Yuba County, CA Home Business: Signage Rules (2026)

There is no home-occupation sign allowance in Yuba County's Development Code. Section §11.32.140(3)f requires that the structure not be 'so altered or the conduct of the occupation within the structure be such that the structure may be reasonably recognized as serving a nonresidential use,' which effectively bars an obvious business sign on a home. The Sign Chapter (§11.27) applies in all zoning districts (§11.27.020), and its residential sign standards (§11.27.100) authorize signs only on multi-unit residential or single-room-occupancy uses with three or more units: one freestanding or fence/wall-mounted sign up to 32 square feet and 6 feet high, one wall sign up to 40 square feet, and directory signs per primary entrance. No internally illuminated signs are allowed in residential districts; illumination, if any, must be indirect (§11.27.100(5)). The Code provides no sign category for a single-family home business, so a home occupation generally cannot display commercial signage beyond what §11.27.030 exempts (for example, required address signs). Business-related and advertising vehicles must also be garaged or entirely screened (§11.32.140(3)i). A home occupation that wants display/sales areas or other expanded operations must obtain an Administrative or Minor Conditional Use Permit (Table 11.32.140); outside the valley growth boundary limited sales/display areas may be permitted by that process.