CA · State rules
California
Primary system
Multi-party / top-N
Who can vote in a party primary
Top-two (all candidates, all voters)
Party-switch deadline
N/A — all voters receive the same ballot
Note: All candidates on one ballot; party-hopping not applicable.
This cycle's dates
Next primary
Tuesday, June 2, 2026
Party-switch deadline
No deadline — no party registration required
Registration deadline
Check official site
Computed from the standing rule + NCSL's 2026 primary calendar (fetched 2026-07-27). Not yet checked against the official state source for weekend/holiday rollover or this cycle's final confirmation — verify before relying on it.
Verification pending Last checked: 2026-07-27
Draft sourced from NCSL. View source.