November 4, 2025 Special Election

Election and Voter Information 

The 2025 California Special Election will be held on November 4, 2025. Polls shall be open throughout the state from 7:00 a.m. to 8:00 p.m. Vote Centers and Drop-Boxes will close at 8 p.m. (If you are in line before 8 p.m., you can still vote.)

Statewide Proposition - Proposition 50 
Legislation calling for the Statewide Special Election

There will be no local or countywide measures on the November ballot.

Secretary of State information on Proposition 50 can be found here: Official Voters Information Guide 

San Mateo County Elections information can be found here: Statewide Special Election 

The last day to register to vote in this election is October 20, 2025.

  • Vote-by-Mail Ballots: All active registered California voters will automatically receive a vote-by-mail ballot.
  • Mailing of Ballots: County elections offices will begin mailing ballots on October 6, 2025.
  • Ballot Drop-off Locations: Open starting October 7, 2025.
  • Returning Your Ballot: Vote-by-mail ballots may be returned by mail, at any official drop-off location, or directly to your county elections office.
  • Vote Centers: Vote centers open for early in-person voting starting October 25, 2025.
  • Ballot Deadline: Vote-by-mail ballots must be postmarked on or before Election Day (November 4, 2025) and received by November 12, 2025.

Register to Vote

Register to Vote 

Voter Status 

Ways to Vote 

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