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Home Business in Cupertino, CA (2026)

5 verified home business rules for Cupertino, California, sourced directly from the municipal code and official government pages.

Verified from official government sources

Zoning Restrictions

Home occupations are permitted in Cupertino's residential zones under Municipal Code Chapter 19.120, provided the business is clearly incidental and secondary to residential use and does not change the neighborhood's residential character. In R1 zones they are a permitted use per CMC 19.28.030.

Cupertino Home Business Zoning Rules

Some Restrictions

Signage Rules

Cupertino home occupations may not use business signs unless legally required. Under Municipal Code 19.120.030, any legally required sign is limited to one square foot and may not be placed on the roof or within required setback areas.

Cupertino Home Business Signage Rules

Heavy Restrictions

Cottage Food Operations

Cottage food operations in Cupertino are authorized under the California Homemade Food Act and permitted by Santa Clara County's environmental health department. The city treats them as home occupations under Municipal Code Chapter 19.120, with the same residential-character limits.

Cupertino Cottage Food Operation Rules

Few Restrictions

Home Daycare

Small family day care homes are a permitted use in Cupertino's R1 zones. Large family day care homes are administratively approved when they meet parking and 300-foot spacing criteria under Municipal Code 19.28.030; otherwise a conditional use permit is processed per state Health and Safety Code.

Cupertino Home Daycare Rules

Few Restrictions

Home Occupation Permits

Cupertino requires a business license tax certificate to establish a home occupation under Municipal Code 19.120.020. No separate discretionary permit is normally needed, but unusually intense uses may require a conditional use permit, and listed occupations are excluded entirely.

Cupertino Home Occupation Permit Requirements

Some Restrictions

Looking for Santa Clara County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Cupertino city rules.

Home Business in Santa Clara County