CA
Same-Day Registration
Automatic Registration
California Registration Deadlines
California offers same-day voter registration. You can register and vote on Election Day.
Online
15 days before election
15 days before election
Postmarked by deadline
In-Person
Election Day
Same-day registration available
Important Note
Same-day registration available with conditional voter registration
Upcoming Elections in California
2026 Primary Elections
99 days
Tuesday, June 2, 2026
Online: May 18
Mail: May 18
2026 Midterm Elections
253 days
Tuesday, November 3, 2026
Online: Oct 19
Mail: Oct 19
Official Information
California Voter Registration
Last updated: January 15, 2025
Ready to Register?
Visit your state's official election website to register to vote or check your registration status.
Register NowCalifornia Features
Same-day registration available
Automatic voter registration
Online registration available