You must obtain a business license from San Mateo County if you are conducting any type of business in an unincorporated area of San Mateo County.

All applications for Business Licenses are reviewed and approved by the San Mateo County Planning and Building Department. There is a $50.00 NON-REFUNDABLE fee for Business License Applications. To ensure a Business License is required prior to purchasing an application, you may contact the San Mateo County Planning and Building Department at (650) 363-4161 or contact the Tax Collector’s Office at (866) 220-0308.

If you operate a business within city limits, please contact the City Hall City Clerk’s Office.