Contact Us

If you have any questions, concerns, or comments, please feel free to contact your Public Works Department.


Customer Service Form

You can use our easy online customer service form to tell us of any an issue you are experiencing or to share feedback you have on services.


Public Works, City Hall
330 W. 20th Avenue
San Mateo, CA 94403






Email Public Works

Counter Hours:

Monday through Friday 8:00am – 4:45pm

If you have any maintenance concerns during our open office hours, call the number above for assistance. For immediate assistance outside of office hours, please call 650-522-7300.

Other Contacts

For immediate attention to clogged storm drains or sanitary sewer lines, or to non-functioning traffic signals, please call 650-522-7300, during normal business hours. For emergency sewer problems during non-business hours, please call Police Dispatch at (650) 522-7700 .

For issues not addressed by Public Works, we provide contact information for Other Departments and Agencies.