San Mateo, CA - Official Website

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Contact the City
From the City Clerk to the Waste Water Treatment Plant - all the phone numbers you're looking for!

Contact the City

There are a wide variety of ways to stay in contact with the City of San Mateo.

Below you will find a list of phone numbers and email addresses, as well as a list of forms you can submit online.

City of San Mateo Contacts:

Online Forms and Applications:

Community Complaint Form
Contact the city day or night to report such problems as: Construction During Unauthorized Hours, Graffiti, Parks and Recreation Issues, Street Light Outages, and many more!

Picnic Reservations
Looking to reserve one of our many picnic areas? Use our online form!

Suggest a Library Purchase
Use this quick and easy form to suggest a library purchase.

View All Online Forms and Applications

Other Helpful Phone Numbers:

TDD Service: (650) 522-7047

City of San Mateo
330 West 20th Avenue
San Mateo, CA 94403

Map of All City Facilities (pdf)

Frequently Asked Questions

Map of All City Facilities (pdf)

Passport Services (Main Library)

Can't Find It?
If there is an email address or phone number you are having trouble finding on our website or may not be included in the links above, please send an email to .