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Please note that the Tax Collector Website will be down for maintenance beginning
Friday, October 16, at 9:00 PM PST.
We anticipate the website will be back online by noon on Saturday, October 17.

We will be performing maintenance tasks throughout the weekend.
You may experience intermittent downtime in addition to the scheduled maintenance window during this time.
We apologize for any inconvenience this may cause.

555 County Center - Main Entrance
Pay Secure Taxes   Pay Unsecure Taxes

Acceptable Credit Cards 
If you would like to sign up to receive email and or/text reminders of tax due dates and other tax related information, or if you would like to sign up to be notified when our E-Billing option becomes available, please click here. You will be taken to the sign up page for E-Gov Delivery, our messaging system. After signing up, you will be able to choose the topics that you wish to receive notifications for in the future.
Main Telephone Number
(650) 363-4142

Tax Office Location:
1st Floor 555 County Center
Redwood City, CA 94063
  Make Tax Checks Payable to:
Sandie Arnott

Mail Tax Payments to:
San Mateo County Tax Collector
PO Box 45878
San Francisco, CA 94145-0878
Pay in Person:

Tax payments may be made in person 9 am - 5 pm Monday through Friday at the Tax Office in Redwood City, or at our satellite office in South San Francisco located at 1024 Mission Road, S. San Francisco, CA 94080.

In addition, you may pay your Secured Tax Bill at our seasonal satellite office in Half Moon Bay located in the Police Department/Sheriff Substation at 537 Kelly Street. For the 2014-15 tax year, the Half Moon Bay office will be available during the following dates and times only.

Monday, December 1 - Wednesday, December 10, 2014
9 a.m. - 5 p.m. weekdays, holidays excluded.

Wednesday, April 1 - Friday, April 10, 2015
9 a.m. - 5 p.m. weekdays, holidays excluded.

Contact the Tax Collector with questions or comments at

2008 Tax Collector, County of San Mateo
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