San Mateo County, California: 2026 ballot

Registering to vote

Not registered yet? You can still register and vote on Election Day in California. You'll register in person and will usually need ID and proof of where you live. Where to go (your polling place, a vote center or the election office) depends on your county.

From NASED's official 2026 deadlines. See vote.gov or your county election office for the rules where you live.

Key dates after you vote in California

• Mail ballots sent by mail must arrive by Nov 10 (ballots arriving after Election Day must meet the state's postmark rules).
• Mail ballots returned in person are due by Nov 3.
• If there's a problem with your mail ballot (a missing signature, for example), you can fix it until Nov 25.
• Results are certified by counties by Dec 3 and by the state by Dec 11. Until then, results are unofficial.

Dates from NASED (the National Association of State Election Directors), compiled from state election calendars and checked by state election officials. Your county election office has the final word on your ballot.

County (2)

• San Mateo County Board of Education Member, Trustee Area 2 · 2 candidates
• San Mateo County Member, Board of Supervisors, District 5 (Short Term) · 2 candidates

City (42)

• City of Belmont Mayor · 1 candidate
• City of Belmont Member, City Council, District 1 · 1 candidate
• City of Belmont Member, City Council, District 3 · 1 candidate
• City of Brisbane Member, City Council · 5 candidates
• City of Burlingame Member, City Council, District 1 · 1 candidate
• City of Burlingame Member, City Council, District 3 · 2 candidates
• City of Burlingame Member, City Council, District 5 · 1 candidate
• City of Daly City Member, City Council · 7 candidates
• City of East Palo Alto Member, City Council · 7 candidates
• City of Foster City Member, City Council, District 1 · 2 candidates
• City of Foster City Member, City Council, District 2 · 1 candidate
• City of Half Moon Bay Member, City Council, District 1 · 2 candidates
• City of Half Moon Bay Member, City Council, District 4 · 2 candidates
• City of Half Moon Bay Member, City Council, District 5 · 2 candidates
• City of Menlo Park Member, City Council, District 1 · 2 candidates
• City of Menlo Park Member, City Council, District 2 · 2 candidates
• City of Menlo Park Member, City Council, District 4 · 2 candidates
• City of Millbrae Member, City Council, District 2 (Full Term) · 1 candidate
• City of Millbrae Member, City Council, District 3 (Short Term) · 2 candidates
• City of Millbrae Member, City Council, District 4 (Full Term) · 2 candidates
• City of Pacifica Member, City Council, District 2 · 2 candidates
• City of Pacifica Member, City Council, District 3 · 1 candidate
• City of Pacifica Member, City Council, District 5 · 2 candidates
• City of Redwood City Member, City Council, District 2 · 1 candidate
• City of Redwood City Member, City Council, District 5 · 1 candidate
• City of Redwood City Member, City Council, District 6 · 1 candidate
• City of San Bruno Mayor · 1 candidate
• City of San Bruno Member, City Council, District 1 · 2 candidates
• City of San Bruno Member, City Council, District 4 · 2 candidates
• City of San Carlos Member, City Council · 4 candidates
• City of San Mateo Member, City Council, District 1 · 2 candidates
• City of San Mateo Member, City Council, District 3 · 2 candidates
• City of San Mateo Member, City Council, District 5 · 3 candidates
• City of South San Francisco City Clerk · 1 candidate
• City of South San Francisco City Treasurer · 1 candidate
• City of South San Francisco Member, City Council, District 1 · 1 candidate
• City of South San Francisco Member, City Council, District 3 · 3 candidates
• City of South San Francisco Member, City Council, District 5 · 1 candidate
• Town of Colma Member, City Council · 4 candidates
• Town of Portola Valley Member, Town Council · 3 candidates
• Town of Woodside Member, Town Council, District 2 · 1 candidate
• Town of Woodside Member, Town Council, District 3 · 1 candidate

School board & local (14)

• Brisbane School District Member, Governing Board · 4 candidates
• Cabrillo Unified School District Member, Governing Board, Trustee Area C · 2 candidates
• Cabrillo Unified School District Member, Governing Board, Trustee Area E · 2 candidates
• Menlo Park City School District Member, Governing Board · 4 candidates
• Pacifica School District Member, Governing Board (Full Term) · 7 candidates
• Pacifica School District Member, Governing Board (Short Term) · 3 candidates
• San Carlos School District Member, Governing Board · 4 candidates
• San Mateo County Community College District Member, Governing Board, Trustee Area 2 · 2 candidates
• San Mateo Union High School District Member, Governing Board, Trustee Area 3 · 2 candidates
• San Mateo Union High School District Member, Governing Board, Trustee Area 5 · 2 candidates
• Sequoia Union High School District Member, Governing Board, Trustee Area A · 2 candidates
• Sequoia Union High School District Member, Governing Board, Trustee Area D · 2 candidates
• South San Francisco Unified School District Member, Governing Board, Trustee Area C · 2 candidates
• South San Francisco Unified School District Member, Governing Board, Trustee Area E · 2 candidates

Special districts (4)

• Coastside County Water District Member, Board of Directors, Zone 5 · 2 candidates
• Coastside Fire Protection District Member, Board of Directors, District D · 2 candidates
• Coastside Fire Protection District Member, Board of Directors, District E · 2 candidates
• Granada Community Services District Member, Board of Directors · 4 candidates

Ballot measures (27)

• Burlingame Elementary School District Measure R — Bond Measure
• Cabrillo Unified School District Measure Z — Parcel Tax Measure
• City of Belmont Measure Y — Special Tax Measure
• City of Brisbane Measure X — Business License Tax Measure
• City of East Palo Alto Measure CC — Term Limits Measure
• City of East Palo Alto Measure O — Bond Measure
• City of Half Moon Bay Measure I — Coastal Land Use Measure
• City of Half Moon Bay Measure Q — Housing Initiative Measure
• City of Menlo Park Measure P — Citizen Initiative to Amend Municipal Code
• City of Pacifica Measure BB — Transactions and Use Tax Measure
• City of Redwood City Measure E — Rent Control and Eviction Limits Initiative
• City of San Bruno Measure DD — Fireworks Ban Measure
• City of San Bruno Measure EE — Business License Tax Measure
• City of San Bruno Measure S — Housing Permits and Developments Measure
• City of San Carlos Measure G — Transactions and Use Tax Measure
• City of San Mateo Measure F — Charter Amendment Measure
• City of San Mateo Measure H — Transactions and Use Tax Measure
• Jefferson Union High School District Measure M — Parcel Tax Measure
• Pacifica School District Measure T — Parcel Tax Measure
• San Carlos School District Measure K — Parcel Tax Measure
• San Mateo County Community College District Measure V — Bond Measure
• San Mateo County Measure AA — Charter Amendment: Affirmation of Rights
• San Mateo County Measure J — Charter Amendment: Extension to Call a Special Election or Appoint
• San Mateo County Measure L — Charter Amendment: Extreme Weather Events
• San Mateo County Measure U — Charter Amendment: Reapportionment of Supervisorial Districts
• San Mateo-Foster City School District Measure W — Bond Measure
• Town of Portola Valley Measure N — Town Charter and Property Transfer Tax Measure

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