Home Business in Cupertino, CA (2026)
4 verified home business rules for Cupertino, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Zoning & Home Occupation Permits
Cupertino permits home occupations in residential zones only when the business stays clearly incidental and secondary to residential use and does not change the home's residential character. Municipal Code Section 19.120.020 requires a City business license tax certificate before starting, and Section 19.120.050 bans a list of occupations outright.
Cupertino Home Occupation Zoning Rules
Some RestrictionsCupertino Municipal Code § 19.120.020
Home occupations conducted in accordance with the provisions of this chapter shall be permitted in residential zones, and in other areas where residential use is allowed, provided that the occupation is clearly incidental and secondary to the use of the dwelling for residential purposes, and does not change the residential character thereof; and provided that such occupation is not detrimental ...
Signage Rules
A Cupertino home occupation may display only a legally required sign, and Table 19.120.030 caps it at one square foot. The sign cannot go on the roof or inside the property's required setback area, and any other advertising or decorative signage is not permitted.
Cupertino Home Business Sign Limit
Significant RestrictionsCupertino Municipal Code § 19.120.030, Table 19.120.030
Signs Prohibit use of signs unless legally required Legally required signs are restricted to a maximum one square foot area-Signs shall not be placed on the roof or within the required setback areas
Customer Traffic Restrictions
Cupertino's home occupation table bars direct sale of products off display shelves to the general public and limits sales parties to twice a month. Table 19.120.030 also caps deliveries and vehicle traffic so a home business never draws more activity than is normal for the zone.
Cupertino Home Business Traffic Limits
Significant RestrictionsCupertino Municipal Code § 19.120.030, Table 19.120.030
Sales activity Restrict scope of business activity to ensure that residential use remains primary Direct sale of products off display shelves or racks to the general public is prohibited; however, an order may be filled on the premises if placed earlier by a customer using telephone or mail order communications, or through attendance of sales party-Parties for the purpose of selling or taking o...
Home Daycare
California law lets Cupertino homeowners run a small-family day care for up to eight children in any residential or agricultural zone as a permitted use, and Table 19.20.020 extends that by-right status to large-family day care homes of up to fourteen children if they meet parking rules and stay three hundred feet from the next one. Closer or non-conforming homes need an administrative conditional use permit.
Cupertino Home Day Care Zoning Rules
Light RestrictionsCupertino Municipal Code Table 19.20.020, Items 15-16
15. Small-family day care home per dwelling unit; ... 16. Large-family day care home per dwelling unit; a. Which meets the parking criteria contained in Chapter 19.124, and which is at least three hundred feet from any other large-family day care home. The Director of Community Development or his or her designee shall administratively approve large day care homes to ensure compliance with the p...
Looking for Santa Clara County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Cupertino city rules.
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