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 & Home Occupation Permits
Running a business from a San Ramon home requires a home occupation permit under Municipal Code section D4-33.A, issued by the Zoning Administrator once the use meets the standards in D4-33.C. The business must stay incidental to the residence and fit within 20 percent of the building's floor area, excluding the garage.
San Ramon Home Occupation Permit Rules
Some RestrictionsSan Ramon Municipal Code sec. D4-33.A
A home occupation or Cottage Food Operation in a residential zone shall require a home occupation permit unless a minor use permit is required by subsection D4-33.D (Minor Exceptions) or subsection D4-33.E (Cottage Food Operation). The Zoning Administrator shall issue the permit upon determining that the proposed home occupation complies with the requirements of this section.
Signage Rules
San Ramon bars any exterior sign advertising a home-based business. Municipal Code section D4-33.C.8 requires no exterior indication of the home occupation, including signs, so a permitted home business must operate without any street-visible signage.
San Ramon Home Business Sign Ban
Heavy RestrictionsSan Ramon Municipal Code sec. D4-33.C.8
There is no exterior indication of the home occupation, including signs.
Customer Traffic Restrictions
San Ramon's home occupation standards flatly bar client visits: Municipal Code section D4-33.C.1 states no clients may come to the home, and D4-33.C.6 caps traffic at normal residential levels. A homeowner who wants client visits must instead obtain a Minor Use Permit under D4-33.D.
San Ramon Home Business Client Visit Rules
Significant RestrictionsSan Ramon Municipal Code sec. D4-33.C.1, C.6
1. No clients may come to the home. ... 6. The use will not generate vehicular or pedestrian traffic in excess of that which is normally associated with residential uses in the same zone. 7. No parking space will be obstructed and no additional parking space will be required for the home occupation.
Home Daycare
San Ramon lets small family day care homes (six or fewer children) and large family day care homes (seven to fourteen children) operate as a permitted use by right in every residential zone. Table 2-1 marks the use "P" in all eight residential districts, so no discretionary zoning permit is required beyond the state license.
San Ramon Family Day Care Home Zoning
Light RestrictionsSan Ramon Municipal Code § D8-2
Family Day Care Home. As defined by Health and Safety Code Section 1596.78, a home that regularly provides care, protection, and supervision for 14 or fewer children, in the provider's own home, for periods of less than 24 hours per day, while the parents or guardians are away, and is either a large family day care home or a small family day care home. Large Family Day Care Home. As defined by ...
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