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

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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

Phone: (650) 522-7300
Fax: (650) 522-7301
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) 522-7350.

Other Contacts
For immediate attention to clogged storm drains or sanitary sewer lines, or to non-functioning traffic signals, please call (650) 522-7350, any time of the day or night.

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

San Mateo City Hall – 330 West 20th Avenue, San Mateo, CA 94403

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