You are eligible to register to vote if you are:

  • A United States citizen,
  • 18 years of age or older on Election Day,
  • Not currently serving a state or federal prison term for the conviction of a felony, and
  • Not currently found to be mentally incompetent by a court of law.

Register to vote online or update your current registration. You need to update your registration if you:

  • Move to a new residence,
  • Change your name, or
  • Want to change your political party affiliation.

Other Ways to Register

If you cannot register online you can print a copy of the National Mail Voter Registration Form, or obtain a registration form at the following locations:

  • County Elections Office,
  • public libraries,
  • post offices, or
  • the California Department of Motor Vehicles.

Military and Overseas Voters

If you are a member of the military or a US citizen living outside the United States and meet all the voter eligibility requirements above you can register to vote. This includes if you are a US citizen born abroad who is eligible to vote and has not registered to vote in any other state.

The fastest and simplest way to register is through the Online Registration Form.

You can also visit the Federal Voting Assistance Program (FVAP) website to complete the FVAP assistance form. The signed form may be:

The forms to register and vote by mail are also available through the military installation’s Voting Assistance Officer or any US Embassy or Consulate.

Conditional Voter Registration

The voter registration deadline is 15 days prior to Election Day. However, after that deadline and through Election Day you can still register and vote in person using Conditional Voter Registration. It is a one-stop opportunity to register and cast your ballot and is available at our office, Regional Early Voting sites, and all polling places on Election Day.

New Citizens

If you became a US citizen between the last day to register to vote (15 days before the election) and Election Day you can vote at the Elections Office at 555 Escobar St. Martinez, CA 94553.

You must present your Certificate of Naturalization, complete a voter registration form, and be prepared to vote at our office at that time. Call us at (925) 335-7800 for more information.

Safe at Home

If you are a victim of domestic violence, sexual assault, or stalking, you may be able to complete a confidential voter registration card and become a confidential voter. As a confidential voter, you can vote by mail and protect your voter registration information from campaigns, the media, and the general public.

To apply for the Safe at Home program, please contact the Secretary of State office at (877) 322-5227 to enroll. Visit their website for further information.

Pre-Registration for 16 and 17 Year Olds

If you are 16 or 17 years old and meet the eligibility requirements above you can pre-register to vote. Your registration will become active once you turn 18 years old.

Registration with a Criminal History

A felony conviction does not permanently bar you from voting. Persons with a criminal history who can register to vote are those:

  • In county jail:
            o Serving a misdemeanor sentence (a misdemeanor never affects your right to vote)
            o Because jail time is a condition of probation (misdemeanor or felony)
            o Serving a felony jail sentence
            o Awaiting trial
  • On parole
  • On probation
  • On mandatory supervision
  • On post-release community supervision
  • On federal supervised release
  • A person with a juvenile wardship adjudication

For more information visit the Secretary of State website.

Cancel Your Voter Registration

If you no longer wish to be a registered voter in Contra Costa County, you can cancel your registration by completing a Cancellation Request Form and submitting it via email, mail, or fax.