Elections and Voting

Elections and Voting

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Your Vote Matters!   

The 2026 Califonia Primary Election will be held on June 2, 2026. 
See CA Statewide Primary Election - June 2, 2026  for detailed information. 

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Register to Vote

  • Are you a first-time CA voter? Click here to register to vote in California.
  • Do you want to change your party, your address, your name? You must re­-register here.
  • Are you an active voter? Be sure! Click here to chek your voter status.
  • Are you age 16 or 17?  Pre-register here. Watch the Pre-registration info video.
  • See information about registering to vote in California: deadlines, requirements, how to register, political parties, registration drives, living overseas, etc.
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Vote-by-mail ballots

Completing your vote-by-mail ballot:

  • Complete ballot in blue or black ink.
  • Made a mistake marking your ballot? Re-mark the ballot in a way that makes your intent clear.
  • For physically damaged or lost ballots: call 925-335-7800 or email: ballot [at] vote.cccounty.us  for replacement.
  • Place your marked ballot in the postage-paid return envelope and seal it. 
  • Sign the ballot envelope. Without a signature the ballot cannot be counted.
  • Once received, the County scans the envelope’s security barcode, and verifies the signature.

Returning your vote-by-mail ballot:

  • Deliver it to a secure ballot dropbox or drop off location.
  • Mail it before Election Day. The ballot must be postmarked on or before Election Day and received within 7 days of the election. 
  • Drop it off at any polling place within the county on Election Day.
See Voting by Mail for more details. 
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Vote in person

Early voting sites and voting locations will be available and open to vote in person throughout Contra Costa County. See In-Person Voting for details about:
  • Voting in-person before Election day
  • Voting in-person on Election day
  • Conditional Voter Registration and Voting Provisionally
  • Voting Assistance and Aides
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Voter Resources 

Contra Costa County Elections: Learn about elections and voting in Contra Costa. Check your registration information, request a ballot, find your polling place, and learn about your elected officials. 

VOTE411:  VOTE411 is the League’s one-stop-shop where you can find all the information you need to cast your ballot, including election information, your registration status, and information about the candidates and ballot measures on your personal ballot. It's online, easy to use, nonpartisan, and available in both English and Spanish. 

Easy Voter Guide: The Easy Voter Guide provides unbiased, easy voter information about ballot measures, polling place locations, and Secure Drop Box locations. Information is available in 5 languages. 

Voting in California: The California Secretary of State offers voter information and assistance in English and nine more languages. Whether it's your first time voting or you are an experienced voter who has moved and just need to re-register to vote, Voting in California will give you everything you need to get started.

Videos about voting: