San Diego County, CA Home Business: Signage Rules (2026)
Key Facts
- Max sign size
- 2 square feet, one sign per house
- Allowed content
- Name and occupation of occupant only
- Sign permit needed
- No, exempt under Section 6252(d)
- Applies to
- Unincorporated San Diego County only
- Misdemeanor penalty
- Up to 6 months jail or $1,000 fine
- Civil penalty
- Up to $2,500 per violation per day
Summary
A home occupation in unincorporated San Diego County may display just one sign, and it cannot exceed 2 square feet. The sign can show only the occupant's name and occupation; no other advertising or exterior evidence of the business is allowed under the Zoning Ordinance.
m. Home Occupations. Home occupations, including in-home offices, shall be permitted in compliance with the following conditions: ... 8. There shall be no signs identifying or advertising the home occupation other than those permitted by Section 6252(d) of this ordinance. ... 6252 EXEMPT ON-PREMISE SIGNS. The following shall be exempt from these regulations and shall not require sign permits. ... d. House numbers and only one sign per house not exceeding 2 square feet in area displaying name and occupation of occupant.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-141: Administrative: Current through Ord. No. 11007 (N.S.), effective 7-10-26 | Regulatory: Current through Ord. No. 11008 (N.S.), effective 7-24-26).
Full Breakdown
m governs home occupations, including in-home offices, in the county's unincorporated area. " Because Section 6252 exempts qualifying signs from the sign-permit process, an operator does not need a separate sign permit for this single 2-square-foot placard, but exceeding the size or adding a second sign forfeits the exemption and triggers the full on-premise sign regulations under Section 6261. 7 prohibits any change to the dwelling's principal residential character. 6). These conditions apply countywide only outside the 18 incorporated cities, which enforce their own municipal codes.
Violations & Fines
Violating any Zoning Ordinance provision, including the Section 6156.m home-occupation sign limit, is charged under Section 7703 as a misdemeanor unless the prosecutor elects to charge it as an infraction. A misdemeanor conviction carries up to six months in county jail, a fine up to $1,000, or both. Infractions escalate on repeat offenses: up to $100 for a first violation, $200 for a second within one year, and $500 for each additional violation at the same site within a year. Each day a violation continues is a separate offense, and the County may also pursue a civil action seeking up to $2,500 per day per violation, or $6,000 per day for violating an injunction.
Frequently Asked Questions
Can a home business in unincorporated San Diego County put up more than one sign?
Do I need a permit for a 2-square-foot home occupation sign?
What can the sign actually say?
What happens if I exceed the sign limit?
Sources & Official References
Other rules in San Diego County
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