To register to vote in California, you will need your California driver's license or identification number, the last four digits of your social security number, and your date of birth. The deadline to register to vote in California is 15 days before an election.
Also use the above link to update or change your voter registration. You will need to change your information if you...
Move within your state
Change your name
Want to change your political party affiliation

If you are unsure whether you are registered to vote in California you can find out at this link by entering your name, California driver's license or identification card number, the last four digits of your social security number, and your date of birth. Even if you are confident that you are registered to vote in California, it is recommended that you confirm your registration status prior to every election.

California sends every registered voter a mail-in ballot. Voters can return the ballot in the mail or drop it off at a secure ballot drop box location. You can find a nearby drop box location using the link above.

You can find your polling place by entering your address at the above link. This link also includes information about voting in each California county, including the county's voting office address and, for some counties, vote center and ballot drop-off locations.