Ballots have been mailed to all registered voters for the March 5, 2024 Presidential Primary Election. If you haven't received your ballot by February 12, you can request a replacement ballot. If you need a ballot sent to a different (temporary) address for this election only, please fill out the form below. 

If you make a mistake on your ballot, you may get a replacement ballot during an election.

Replacement ballots are a normal part of the Vote by Mail process. Voters may receive additional ballots if they re-register, update their voter registration or request a replacement from our office. Only the first ballot our office receives will be counted, ensuring NO ONE can vote twice.

Tuesday, February 27, is the final day that registered voters may request a replacement Vote by Mail ballot be delivered by mail for the March 5, 2024 Presidential Primary Election. The deadline ensures that there is enough time for postal delivery. To request a replacement ballot after February 27, please go to any Vote Center in San Mateo County.

If you don't want to use the online request form below, please fill out and sign the Replacement Vote-by-Mail application and return it to us via email (, fax (650.312.5348), or mail (40 Tower Rd, San Mateo CA 94402).

If you want a representative to pick up a replacement ballot for you, please fill out and sign the Application to Provide Vote-by-Mail Ballot to Representative. The representative must come to the Elections Office or any Vote Center to receive the ballot.

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I hereby request a replacement ballot. I declare that the Vote by Mail ballot for the March 5, 2024 Presidential Primary Election was:
Residence Address
Residence Address
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Mailing Address

Only the registered voter themself may request a replacement ballot. A request for a replacement ballot that is made by any person other than the registered voter is a criminal offense.

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