Elections Overview

Types of Elections
The Contra Costa County Elections Division conducts different types of elections.

  • Primary Election. In the Primary Election you vote for the representative candidate of your political party for President, Vice President and the county central committee. For all other partisan races the Top Two vote getting candidates meet in a run-off in the General Election. Nonpartisan countywide races, State propositions, and local measures may be included. Primary Elections are held on the first Tuesday after the first Monday in June every even year.
  • General Election. It is held on the first Tuesday after the first Monday in November of every even year. It includes contests and offices in the Federal, State, County, cities and towns, and special districts. You can vote for candidates of any party regardless of your party preference or lack of party affiliation. The presidential election is included every four years. State propositions and local measures may be included as well.
  • Special Election. This type of election is usually initiated by local governments and districts. Only certain Tuesdays can be used to hold this type of election based on established election dates.
Voting Equipment
Contra Costa County uses three pieces of voting equipment to count your ballot.

M100 Precinct Scanner
The M100 is an optical scan voting machine. The machine reads the marks on the ballot electronically at the polling place.
M650 Central Count Scanner
M650 Scanner
The M650 is a high speed optical scan machine maintained at the Elections Office. The machine scans the entire Vote by Mail ballots for the vote count.
AutoMark Voter Assist Terminal
The AutoMark is a touch screen device to help you mark your ballot. It has a touch screen, audio prompts, braille keypads, contrast and zoom features, and it is compatible with assistive devices such as puff/sip device. The AutoMark is designed to help voters with disabilities as well as anyone interested in using the machine to mark their ballots.
For further information on the voting equipment, see the Voting Equipment Page.
Accessibility Compliance
The Election Division follows the Americans with Disability Act (ADA) which gives equal rights and privileges to voters with disabilities. We will make every effort for you to be able to vote your ballot. We make improvements in the areas to meet your needs.

  • Polling Places. Every effort is made to locate a polling place that is accessible in your precinct. Wheelchair accessibility, adequate parking, threshold ramps and signs are used to facilitate your visit.
  • Equipment. The AutoMark machine will mark your ballot and assist you with large print, braille, and audio guides. Magnifying devices are also available.
  • Services. The poll workers will assist you at your request. Curbside voting and voting by mail are other options.
  • Website. Every effort is made to make this website accessible to voters with disabilities following State and Federal guidelines.
  • Contact us. If you have questions or need assistance, send us an email to eo.recruitment@vote.cccounty.us or call us at (925) 335-7873.
Language Assistance
The Election Division will make every effort to eliminate any obstacle that prevents citizens to vote because of proficiency in languages other than English. Voter materials–voter registration forms, ballots, instructions, information pamphlets, website information–are written in English and Spanish. Chinese and Tagalog versions may be available at some selected precincts.

The Election Division has multi-lingual staff at the office and the polls.

This website can be converted to Spanish by selecting the “Español” button at the top of your screen.

Contact us by email at eo.recruitment@vote.cccounty.us or call us at (925) 335-7873 if you have any questions or need assistance.

Si tiene cualquier pregunta o necesita ayuda, póngase en contacto con nostros enviándonos un correo electrónico al eo.recruitment@vote.cccounty.us o llamándonos al (925) 335-7873.