Sunnyvale, CA Home Business: Signage Rules (2026)

010(f) ties home occupation signage directly back to the city's residential name plate standard, requiring any signage for a home-based business to comply with the code's provisions pertaining to residential name plates. 050(k) within the Sign Code's list of signs exempt from a sign permit, allows each separate residential dwelling unit, whether a detached single-family house, town home, condominium, apartment or unit in an attached multifamily building, one residential name plate placed at the home's entrance or along its front wall, capped at two square feet in area.

44, a Sunnyvale home business cannot install a freestanding sign, a window sign, an illuminated sign or any sign larger than the two-square-foot name plate cap without exceeding what its home occupation approval allows. 050 lists it among the signs exempt from permit requirements, but it does not count toward, or expand, any other sign allowance on the property. 010(g), which requires all advertising to state 'by appointment only' whenever the residential address is used, reinforcing that the business is not meant to draw walk-in or storefront-style attention from the public right-of-way.