Voting Information
California Statewide Primary Election: Tuesday, June 2nd, 2026.
Travis Castle for Supervisor
Travis Castle
San Joaquin County Board of Supervisors
2026 Primary — Know Your Dates
May 4
2026
Vote-by-Mail ballots mailed
All active registered voters receive ballots automatically
May 8
2026
Public Logic & Accuracy test
Voting system verified open to the public · 11:00 a.m., ROV Office
May 18
2026
Last day to register to vote
Deadline for standard voter registration
May 19
2026
Conditional Voter Registration opens
Register & vote through Election Day · same-day at polls
May 26
2026
Last day to request a Vote-by-Mail ballot
Submit your VBM request by this date
May 4–Jun 1
2026
Early in-person voting
Mon–Fri 8 a.m.–5 p.m. · Sat May 30, 8 a.m.–5 p.m. · ROV Office, Stockton
Election Day
Tuesday, June 2, 2026
Polls open 7:00 a.m. – 8:00 p.m. · Same-day registration available