Home occupations in unincorporated San Mateo County require a Home Occupation Permit under the County Zoning Ordinance. The business must be secondary to the residential use with no exterior evidence or outside employees.
San Mateo County Zoning Ordinance allows home occupations in residential zones subject to a Home Occupation Permit. The business must be clearly incidental to the residential use, operated solely by household residents, and have no external indication of commercial activity. No non-resident employees may work at the home. No exterior signs, commercial vehicle parking, or customer traffic beyond residential norms is permitted. Contact Planning at (650) 363-4161.
Operating without permit: cease-and-desist. Zoning violations: $100 to $500/day. Business license violations: city finance penalties.
San Mateo County, CA
Amplified music in unincorporated San Mateo County is regulated by County Code Chapter 4.88 Noise Control, which caps exterior noise at 55-75 dBA daytime and...
San Mateo County, CA
Unincorporated San Mateo County enforces CVC §22651(k) for vehicles on public streets (72 hours) and Ordinance Code Chapter 4.48 for inoperable vehicles on p...
San Mateo County, CA
Unincorporated San Mateo County has no general overnight parking ban on most streets. Specific residential neighborhoods may have permit parking. California ...
San Mateo County, CA
Unincorporated San Mateo County enforces California Swimming Pool Safety Act (H&S Code §115920-115929) and CBC Chapter 31B. Minimum 60-inch barrier, self-clo...
San Mateo County, CA
Unincorporated San Mateo County requires building permits for retaining walls over 4 feet measured from bottom of footing to top of wall, per California Buil...
San Mateo County, CA
Unincorporated San Mateo County allows backyard chickens on residential parcels of at least 2,500 sq ft under the County Zoning Regulations. 2,500 to 7,500 s...
See how San Mateo County's zoning restrictions rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.