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, assessments, and exemptions. Find their phone number and address in the Property Records section above.

Where do I pay property taxes in San Mateo?

Property tax payments in San Mateo are handled by the Treasurer's office. Check the listing above for contact information, mailing address, and online payment options.

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

Property deeds, liens, and recorded documents are maintained by the San Mateo Recorder's office. You can typically request copies in person, by mail, or through their online portal if available.

Where do I get a marriage license in San Mateo?

Marriage licenses in San Mateo are issued by the County Clerk's office. Contact them for requirements, fees, and appointment availability.

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