San Ramon, CA Business Licensing & Operations: Auto Repair on Residential Property (2026)

C. No clients may come to the home, the business cannot exceed 20 percent of the building's floor area (garage square footage excluded), nothing may be sold on-site, and no employee or independent contractor other than a resident may work at or report to the site. Condition 10 singles out the auto trade: no motor vehicle repair shall be permitted at the operator's residence at all, and even the narrower services the code does allow, auto cleaning, detailing, and minor replacement or repair of glass or accessory parts, must be performed off-site rather than in the driveway or garage.

The use also cannot generate extra traffic, take up required parking, or create noise, odor, dust, or interference with neighboring residential uses. D, where the Zoning Administrator weighs parking, traffic control, noise, operating characteristics, and hours before attaching conditions. Every home occupation is reviewed against the same checklist regardless of trade, so an auto-related business gets no separate track; it either fits within the twelve conditions or it does not qualify as a permitted home occupation in San Ramon at all. F).