Home Business in San Ramon, CA (2026)
4 verified home business rules for San Ramon, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Zoning Restrictions
San Ramon requires a Home Occupation Permit and a Business License for any business operated from a residence. Home occupations must be incidental and subordinate to the residential use, with no signage, no on-site employees beyond residents, minimal customer visits, and no outward commercial appearance. Application goes through Planning Services.
Home Business: Permits
Some RestrictionsSignage Rules
San Ramon prohibits all exterior commercial signage on home-business properties. No signs, banners, lighted displays, or window advertising that identifies a business are permitted. The business must be visually indistinguishable from a purely residential use from the street and neighboring properties.
Home Business: Signage
Heavy RestrictionsCustomer Traffic Restrictions
San Ramon home occupations strictly limit customer visits. On-site retail sales to walk-in customers are prohibited. Occasional client visits by appointment may be allowed for professional services but cannot create noticeable traffic, parking, or activity beyond what a residence would normally generate.
Home Business: Customer Traffic
Heavy RestrictionsHome Daycare
Family day care homes in San Ramon are protected under California Health & Safety Code 1597.45, which preempts most local restrictions. Small family day care homes (up to 8 children) and large family day care homes (up to 14 children) must be allowed in residential zones as a matter of right, subject only to state licensing and minimal local standards for parking and spacing.
Home Business: Day Care Home
Few RestrictionsLooking for Contra Costa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement San Ramon city rules.
Home Business in Contra Costa County →