The next Tax Sale has not yet been scheduled. We will send email notifications to all registered users as soon as it is posted. Registration is open year round, and is free.
Upcoming Auctions
  Bidding Period Description # of Items  
No auctions are scheduled at this time.

Letterhead of tax collector

Welcome to the County of San Mateo online auction website. This convenient service uses the latest technology to provide a secure way to bid on tax-defaulted property. With easy access to property information and auction results, you can research properties and enter bids from anywhere in the world.

Online tax sale auctions are part of our office's ongoing effort to use technology to improve access to tax-defaulted properties. It is important that you read the general information about tax deeds to familiarize yourself with the auction process prior to submitting a bid.


Sandie Arnott
Treasurer-Tax Collector
County of San Mateo, California