County Controller
County- Juan Raigoza
- Thomas Royal Morgan, II
San Mateo County
San Mateo County Sample Ballot & Voter Guide 2026
Preview your San Mateo County, California sample ballot for 2026: browse tracked local races, then enter your ZIP code to confirm which districts and offices appear on your exact ballot.
These race previews show candidates we’re tracking now. A ZIP code shows your statewide and congressional races; a street address adds county and city contests.
Local Snapshot
Election DayNov. 3, 2026
StateCalifornia
Races Listed10
Profiles15
Races We’re Tracking
Local races are address-specific. This guide previews tracked contests, while the lookup tool narrows the list to a voter’s exact address. Tap any name to see the race, full candidate profiles, and everything else on your exact ballot.
Hand-curated profiles for San Mateo County are on the way.
The previews below come from our automated tracker and may not expand into full profiles yet. Your exact ballot, including statewide and congressional races, is one ZIP code away.
Enter your ZIP for your exact ballot →Member, Board of Supervisors, District 3
Local- Joaquin Jiménez
- Ray Mueller
Judge of the Superior Court, Office No. 4
Local- Brian Donnellan
County Superintendent of Schools
County- Hector Camacho Jr.
- Chelsea Bonini
Assessor-County Clerk-Recorder
County- Clinton Eric Freeman
- David Canepa
Coroner
Local- Robert J Foucrault
Member, Board Of Trustees, San Mateo County Community College District
County- John Pimentel · DEM
San Mateo City Council, District 3
City- Rob Newsom Jr.
- Seema Patel
San Mateo City Council, District 5
City- Dana Yates Sahae
Member, Board of Supervisors, District 2
Local- Noelia Corzo
Return to the statewide guide and browse other tracked places.
Find Your Exact BallotEnter an address to narrow these previews to the races that apply.
Voting ResourcesRegistration, deadlines, and official election links for voters.
Note: Use address lookup for your exact ballot; local pages preview tracked races.Profiles: Candidate details update as filings and campaign materials publish.