A voter found an unmanned, unlocked vote center in Belmont the night before the June 2 primary; county officials say ballots and equipment were secure.

Former Half Moon Bay mayor Joaquin Jimenez is challenging incumbent Ray Mueller in San Mateo County’s District 3 race; coastside housing, water and the Corpus removal are front‑and‑center. The June 2 primary could settle the seat.

Rep. Kevin Mullin faces four challengers in the June 2 CA‑15 primary as Democrats and a Republican clash over health care, energy and district funding.