How to vote in San Joaquin County

Vote by Mail (VBM)

Be sure to sign the return envelope. Your signature must appear similar to the original signature on your voter registration form. A Vote-by-Mail ballot without your signature will not be counted. Your Vote-by-Mail ballot can be returned by mail, dropped off at any Voter Service Center, or deposited in a ballot drop off box. Click here for more on VBM.

Ballot Drop Off Box (Hours vary)

Return your Vote-by-Mail ballot at a ballot drop off box. Hours vary by location. Click here for a list of ballot drop box locations.

Vote In Person

No form of ID is needed to vote in person. The list of Voter Service Centers is available, and each location will hold open hours starting on October 31. You are also able to vote at the San Joaquin County Registrar of Voters’ Office during open hours starting on October 5. You are not required to bring your Vote-by-Mail ballot to the Voter Service Center if you prefer to cast your ballot in person, but it is strongly encouraged. Click here for a list of Voter Service Centers.

Accessible Voting

The Registrar of Voters office provides the Voter Information Guide in an accessible format on the Voter Profile page. The official ballot for the November 3, 2020, General Election will be available through the Remote Accessible Vote-by-Mail portal beginning Monday, October 5. For accessibility questions, call (209) 468-2890 or visit


Every registered voter will have the option to vote in-person at any Voter Service Center. Voters are not required to bring their Vote-by-Mail ballot to vote in-person, but it is strongly encouraged. If a voter would like to vote in-person, but has not received their mailed ballot, they can visit a Voter Service Center to cast a provisional ballot. 


Every registered voter was mailed a Vote-by-Mail ballot by October 5.

County Website:

Check Your Registration:

Track Your Ballot: