Message from Mark Church, Chief Elections Officer & Assessor-County Clerk-Recorder
Welcome to the San Mateo County Elections website.

I am honored and privileged to serve as your Chief Elections Officer & Assessor-County Clerk-Recorder. As your Registrar of Voters, I am committed to ensuring that our office continues its tradition of excellence and operates at a maximum level of efficiency and productivity.
Please use this website for easy access to the information and services that our office provides to the citizens of San Mateo County. I hope you find it a useful resource for election information.
May 2, 2023 Millbrae School District Special Mail Ballot Election
Election Information and Measure Information
Election Security and Accuracy
An overview of the security features of election systems and the security procedures.
FAQs
Elections frequently asked questions.