Marin County Development Code § 22.32.100(B)(3) prohibits window displays and advertising signs for any home occupation in unincorporated Marin. The only on-site identification allowed is a single name plate not exceeding one square foot in area, and no display of merchandise or stock in trade is permitted.
Section 22.32.100(B)(3) states: 'Display, signs. There shall be no window display or advertising sign(s), other than one name plate not exceeding one square foot in area. There shall be no display of merchandise or stock in trade or other identification of the home occupation activity on the premises.' This is paired with § 22.32.100(B)(2) (Visibility), which requires that 'the home occupation activity [shall not] be visible from the adjoining public right-of-way or from neighboring properties.' Permitting and general restrictions for signs in the unincorporated County are also governed by Chapter 22.28 (Signs) and Chapter 22.60 (Permits for Signs); a one-square-foot residential nameplate is well within the scope of the limited residential signage allowed by those chapters, but any sign exceeding the home-occupation limit would defeat the § 22.32.100 standard and require both removal and (potentially) a sign permit under Chapter 22.60.
Placing a window display, an advertising sign, or any identification of the business beyond a single one-square-foot nameplate is a violation of § 22.32.100 and disqualifies the use as an allowed home occupation. The County may issue a notice of violation, require removal of the sign or display, and order the home occupation to cease until brought into compliance or upgraded to a Conditional Use Permit. Sign-permit enforcement under Chapter 22.60 may also apply.
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