San Mateo, California

County Seat: Redwood City · Population: 764,442

Find contact information for San Mateo government offices in California. The county seat is Redwood City. Below you'll find phone numbers, addresses, and websites for the assessor, treasurer, recorder, clerk, and other county departments.

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Tax Due Dates

Property tax deadlines & email reminders for San Mateo

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Local Services

Title abstractors, process servers & more for San Mateo

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Frequently Asked Questions

How do I contact the San Mateo Assessor?

The San Mateo Assessor's office handles property valuations and assessments. Find their phone number and address in the Property Records section above.

Where do I pay property taxes in San Mateo?

Property tax payments are typically handled by the San Mateo Treasurer's office. Check the Property Records section for contact information and online payment options.

How do I get a copy of a deed in San Mateo?

Property deeds and records are maintained by the San Mateo Recorder or Clerk's office. You can usually request copies in person, by mail, or through their online portal.

What are the San Mateo office hours?

Office hours vary by department. Check the specific office listing above for hours, or call ahead to confirm. Many offices are closed on weekends and holidays.

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