Contact Us

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

Online:

You can use the My San Mateo Online Service Request Portal to tell us of any an issue you are experiencing or to share feedback you have on services.

Address:

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

Phone:

650-522-7300

Fax:

650-522-7301

Email:

Email Public Works

Counter Hours:

Monday, Wednesday, Thursdays
8:00 a.m. to 12:00 p.m. and 1:00 p.m. to 4:00 p.m.

Tuesday and Fridays
8:00 a.m. - 12:00 p.m. 

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.