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California voter registration guide

Last updated:

California voter registration deadlines

  • Register to vote (online): Received by October 19, 2020
  • Register to vote (by mail): Postmarked by October 19, 2020
  • Register to vote (in person): Received by November 3, 2020

Check your California voter registration status

  • If you can't remember if you're registered to vote, or you want to make sure your information is correct, you can check your California registration using the California voter registration lookup tool.
  • If you're not registered to vote, or you need to update your voter registration information, follow the instructions below.

California voter registration rules

To register in California you must:

  • be a citizen of the United States
  • be a resident of California
  • be 18 years old by Election Day (you may pre-register if you are 16)
  • not be imprisoned or on parole for the conviction of a felony, and
  • not currently be judged mentally incompetent by a court of law.

Register to vote online in California

  • You must include your California driver's license number or California state ID number with your online voter registration application.
  • Visit the California online voter registration tool.
  • Fill out all the required fields.
  • You will be registered to vote as soon as you finish the workflow.
  • You should receive your voter registration card in the mail within 2-3 weeks. If not, you might want to follow up with your Local Election Office.
  • The deadline to register to vote online is received by October 19, 2020.

Register to vote by mail in California

  1. Download and fill out the National Voter Registration Form.
  2. Box 6 - ID Number: Provide your California driver’s license or California identification card number. If you do not have these numbers, provide the last 4 digits of your social security number. If you do not have any of these numbers, write "NONE" in this space.
  3. Box 7 - Choice of Party: California has a somewhat complicated primary system. If you do not choose a political party, you might not be able to vote in that party's primary election.
  4. Box 8 - Race or Ethnic Group: Leave blank.
  5. Print, date, and sign the form. If you do not have a printer, you can print the form out at any local library. If you do not have a stamp, you can buy one from any grocery store: just ask the cashier to sell you one.
  6. Mail your voter registration form to the mailing address below. For faster delivery, send the form directly to your Local Election Office.
  7. Your voter registration form must be postmarked by October 19, 2020

Register to vote in person in California

  1. Contact your Local Election Office to find where to register to vote in person.
  2. California voters must provide their California driver's license number, state ID number, or the last four digits of their social security number with their voter registration application.

Local Election Office

Contact your Local Election Office if you have questions about California voter registration.

Statewide election office

This is the statewide agency that is ultimately responsible for California elections. You can contact them with questions, but your Local Election Office will probably respond faster.

Secretary of State  
Elections Division  
1500 11th Street, 5th Floor  
Sacramento, CA 95814