Message from Mark Church, Chief Elections Officer & Assessor-County Clerk-Recorder 

Welcome to the San Mateo County Elections website.

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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

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Election Security and Accuracy

An overview of the security features of election systems and the security procedures.

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Elections frequently asked questions.

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