Monterey County, CA Home Business: Signage Rules (2026)
Key Facts
- On-Site Advertising
- Prohibited (20.64.090 / 21.64.090)
- Allowed Residential Sign
- Nameplate and address only
- Sign Chapters
- Monterey County Code Ch. 21.60 / Ch. 20.60
- Prohibited Types
- Moving, flashing, portable, inflatable, roof, wind-activated
- Variance Path
- Coastal Administrative Permit (coastal zone)
Summary
Monterey County Code 20.64.090 / 21.64.090 prohibits any advertising for a home occupation on the property. Residential parcels may display only a nameplate-and-address sign under the County sign rules, and that sign may not be used to advertise a home-based business.
5. There shall be no advertising for the home occupation allowed on the property.
Full Breakdown
090) states that there shall be no advertising for the home occupation allowed on the property. This no-advertising rule applies in every zoning district where home occupations are permitted, including all residential and farmland districts. 60 (coastal) generally limit residential signs to nameplate and street-address signs, plus narrowly defined real-estate and construction signs. Because the nameplate allowance is for property identification rather than commercial advertising, an operator may not use it to display a business name, logo, phone number, hours or services. Yard signs, A-frames, banners, window decals and vehicle lettering parked for display that advertise the home occupation are all prohibited. 090(D). The general sign chapters also bar moving, flashing, portable (non-real-estate), inflatable, roof-mounted and wind-activated signs in residential areas.
Violations & Fines
Posting any advertising sign for a home occupation violates Section 21.64.090 / 20.64.090 and the residential sign chapter. The County may order the sign removed, issue administrative citations and daily fines, and treat repeated postings as a public nuisance, with each day a prohibited sign remains potentially a separate violation. Sign violations can also support revocation of the right to operate the home occupation without a discretionary permit.
Frequently Asked Questions
Can I put a small sign in my yard for my Monterey County home business?
Does the nameplate exception let me display my business name?
Sources & Official References
Other rules in Monterey County
California rules heatmap·Compare Monterey County to another location·View the California home business overview
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