6 county-level rules, plus city-specific rules for 10 cities in San Diego County, California.
Verified from official government sources
Under San Diego County Zoning Ordinance Section 6156.m, home occupations (including in-home offices) are a permitted accessory use in residential zones in the unincorporated County, provided there is no exterior evidence of the business, it stays inside a dwelling or attached garage, and the property's residential character is unchanged.
Section 6156.m of the San Diego County Zoning Ordinance prohibits any signs identifying or advertising a home occupation in unincorporated areas, other than those allowed for residential properties as exempt on-premise signs under Section 6252(d). A home occupation must show no exterior evidence at all.
Home occupations in unincorporated San Diego County must not generate traffic or parking demand inconsistent with residential use. The business must not be detrimental to the neighborhood. No specific visitor caps are codified, but excessive traffic may trigger enforcement.
Cottage Food Operations in unincorporated San Diego County are registered/permitted by the County Department of Environmental Health and Quality under California's Cottage Food Law (HSC 113758 / AB-1616). Unincorporated operators also need a zoning stamp from County Planning & Development Services; no business license is currently required.
Small family day care homes (8 or fewer children) are a permitted residential use by right in unincorporated San Diego County. The County Zoning Ordinance (Sec. 6156.y) lists an Administrative Permit for large homes (9-14 children), but California's SB 234 (HSC 1597.45) now makes large homes a use by right too and bars local use permits and business licenses.
In unincorporated San Diego County, a home occupation is a permitted accessory use by right under Zoning Ordinance Section 6156.m when its conditions are met — there is no separate discretionary home-occupation permit, and the County does not currently require a business license for cottage food operators in the unincorporated area.
County of San Diego Planning & Development Services, Form PDS-304 Home Occupations (Rev. 11/2014), Zoning Ordinance § 6156.m
6156.m Home Occupations. Home occupations, including in-home offices, shall be permitted in compliance with the following conditions: 1. There shall be no exterior evidence of the conduct of a home occupation. 2. A home occupation shall be conducted entirely within a dwelling, or an attached garage. However, a Cottage Foods Operation, as defined by Health and Safety Code Sec...
10 cities in San Diego County have their own home business rules. Each link goes to that city's dedicated page with code citations.
5 verified rules • Cottage Food Operations, Customer Traffic Restrictions
5 verified rules • Cottage Food Operations, Customer Traffic Restrictions
5 verified rules • Cottage Food Operations, Customer Traffic Restrictions
5 verified rules • Cottage Food Operations, Customer Traffic Restrictions
6 verified rules • Cottage Food Operations, Customer Traffic Restrictions
5 verified rules • Cottage Food Operations, Customer Traffic Restrictions
5 verified rules • Cottage Food Operations, Customer Traffic Restrictions
6 verified rules • Cottage Food Operations, Customer Traffic Restrictions
6 verified rules • Cottage Food Operations, Customer Traffic Restrictions
5 verified rules • Cottage Food Operations, Home Daycare
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