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State statute

San Mateo Tax Collector

California foreclosure, tax-defaulted, court-ordered and probate-sale law and official procedures — verbatim and citable.

Edition
2026-09-26
Last updated
2026-10-05
Jurisdiction
San Mateo County

San Mateo Tax Collector

Source: https://tax.smcgov.org/

Announcements

The Tax Collector’s Office is open to the public from 9:00 AM - 5:00 PM, Monday through Friday (closed on holidays and for departmental functions). Click this link for closure dates.

Property Tax Payments can now be made via PayPal (with an online service fee of 2.35%)

Make Tax Checks Payable to:

Sandie Arnott, San Mateo County Tax Collector

Mail Tax Payments to:

For Secured Annual Bills

San Mateo County Tax Collector

P.O. Box 45878

San Francisco, CA 94145

For Unsecured Annual Bills

San Mateo County Tax Collector

P.O. Box 45901

San Francisco, CA 94145

For All Other Bills

Including Supplemental and Escape Bills

San Mateo County Tax Collector

555 County Center, 1st Floor

Redwood City, CA 94063

Contact Us

555 County Center

Floor 1

Redwood City, CA 94063Get Directions

Phone:

866-220-0308

Fax:

650-599-1511

Email:

taxmaster@smcgov.org

View/Pay Property Taxes (No login is needed)

Apply for a Business License

Transient Occupancy Tax

Chat with a Live Agent

Pay Property Taxes Monthly with Easy Smart Pay

Change my Billing Address

Using the Tax Payment System

Tax Payment System/Payment FAQ

Important Dates

| Date | Note |

July 1

|

Beginning of fiscal year

| August 31 | Unsecured deadline. A 10% penalty and a $35.00 collection fee are added on the next day | October | Treasurer-Tax Collector mails out original secured property tax bills | November 1 | First installment of secured taxes is due and payable | December 10 | First installment of secured taxes payment deadline(). A 10% penalty is added the next day | January 1 | Tax Lien date (affects the upcoming fiscal year) | January | Treasurer-Tax Collector mails delinquent notices for any unpaid first installment current secured taxes | February 1 | Second installment of secured taxes due and payable | April 10 | Second installment of secured taxes payment deadline. A 10% penalty plus $40.00 cost is added the next day | May | Treasurer-Tax Collector mails delinquent notices for any unpaid, second installment current secured taxes | June 30 | End of fiscal year. | July 1 | Begin new fiscal year. A redemption fee of $35.00 and a monthly penalty of 1.5% will be added to Secured defaulted parcels | | ()If a delinquent date falls on a weekend or holiday, the delinquent date is the next business day.

If you would like to sign up to receive notifications from the Tax Collector's Office please click here to sign up for E-Gov Delivery, our messaging system. After signing up, you will be able to choose the topics that you wish to receive notifications via email and/or text. Email reminders will be sent to all who have signed up for E-GOV reminders, regardless of your payment status. Please note that this is different from getting an e-bill, which is an electronic version of your property taxes. If you choose to sign up for ebilling, click here for instructions.

E-Gov Delivery is a free service provided by the County and is solely intended as an aid to remind participants to timely pay property taxes. Taxpayers are not relieved of the responsibility of timely payment of property taxes as a result of any failure of the County to timely forward these reminder notices. Penalties for delinquent payments will be imposed regardless of the taxpayer's subscription to this service or any failure of this service. The County shall not be liable for any loss or inconvenience caused by the participation of subscribers or the failure of the service to provide timely notice or even the total failure of the service to provide any notice at all, whether or not the County is at fault.

Exceptions & meaning →

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