The Election

How to Vote in CA-15

Primary day is June 2, 2026. Vote-by-mail ballots arrive in May. The primary uses California's top-two system, which means the two candidates with the most votes advance to the November general, regardless of party.

Check your registration

Make sure you're registered, that your address is current, and that you're showing up at the right polling place.

Check status

Register or re-register

California allows online voter registration. If you've moved, changed your name, or never registered, do it here. Same-day registration is available at any polling place if you miss the deadline.

Find your polling place

Every active California voter gets a vote-by-mail ballot, but if you'd rather drop it off or vote in person, find your closest location through the San Mateo County Elections Office.

SMC Elections

Key dates

May 2026: Vote-by-mail ballots begin arriving at registered voters’ addresses.
May 18, 2026: Last day to register to vote in the primary online or by mail. Same-day conditional registration remains available at any polling place after this date.
June 2, 2026: Primary Election Day. Polls are open 7 AM to 8 PM. Vote-by-mail ballots must be postmarked by today and received within seven days.

Not sure if you’re in CA-15?

CA-15 covers much of San Mateo County and includes Daly City, Brisbane, South San Francisco, San Bruno, Millbrae, Burlingame, San Mateo, Foster City, Belmont, San Carlos, Redwood City, and East Palo Alto. The district also extends into the Excelsior, Portola, and Visitacion Valley neighborhoods of San Francisco. The maps were redrawn last year through Proposition 50, so if you’ve been here a while, your district may not be what you remember.

Look up your district