Operating an auto repair business from a home in unincorporated San Bernardino County is generally prohibited under Title 8 zoning, though minor repairs on personally owned vehicles remain allowed.
The county Land Use Code limits home occupations to low-impact activities that do not generate vehicle traffic, noise, fumes, or visible storage. Commercial auto repair is reserved for commercial and industrial zones with proper permits, hazardous materials approvals, and stormwater controls. Working on your own vehicle is allowed, but stockpiling inoperable cars, dispensing fluids on the ground, or advertising repair services from a residence violates zoning and may also trigger California Bureau of Automotive Repair licensing requirements for any paid work.
Running a paid repair shop at home risks code enforcement abatement, BAR action, and fines for hazardous waste or stormwater violations.
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See how Ontario's auto repair on residential property rules stack up against other locations.
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