How can I vote by provisional ballot in San Mateo County?
To vote by provisional ballot in San Mateo County get a provisional ballot from a poll worker. You will need to complete the voter’s section of the provisional envelope with your name, date of birth and current and previous addresses. You will need to sign the declaration confirming that you are a resident.
Once you have marked your ballot cards, insert them into the provisional envelope, seal it and return it to the poll worker.
Your provisional ballot will be counted after the elections officials confirm that you did not previously vote using your Vote by Mail ballot for that election.