Hillsborough voter guide

Every race and measure on the November 3, 2026 ballot in Hillsborough: county, state and federal races, and 18 ballot measures.

Key dates

Ballots mailed: From about Oct 5
Register by: Oct 19 · same-day in person after
Mail ballot: Postmarked by Nov 3

The county’s certified candidate list has no Hillsborough city offices on this ballot (city seats may be decided at another election or not be up this cycle). No city measures are on it either. Your ballot still includes the county, state and federal races below.

County, state and federal · districts that include Hillsborough

FederalU.S. Representative, Congressional District 15Kevin Mullin (Incumbent)Charles HoelterAll of Hillsborough
StateAssembly District 21Diane Papan (Incumbent)Jabra J MuhawiehAll of Hillsborough
StateBoard of Equalization Member, District 2Sally J. Lieber (Incumbent)John PimentelAll of Hillsborough
StateCalifornia Court of Appeal Justice · 11 seatsRetention: you vote yes or no on keeping each judge. All of Hillsborough.
Show all 11Show fewer
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 1, Seat 2Charles A. Smiley
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 1, Seat 3Kathleen M. Banke
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 1, Seat 4Monique Langhorne Wilson
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 2, Seat 1Therese M. Stewart
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 2, Seat 4Tara M. Desautels
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 3, Seat 2Ioana Petrou
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 3, Seat 4Victor A. Rodriguez
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 4, Seat 1Tracie L. Brown
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 5, Seat 2Mark Simons
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 5, Seat 3Danny Y. Chou
- Court of Appeal Justice, California Court of Appeal, First Appellate District, Division 5, Seat 4Gordon Burns

Statewide offices · on every California ballot

GovernorSteve HiltonXavier Becerra
Lieutenant GovernorFiona MaGloria Romero
Secretary of StateShirley N. Weber (Incumbent)Donald P. (Don) Wagner
State ControllerMalia M. Cohen (Incumbent)Herb W Morgan

Show all 10 statewide offices

State TreasurerEleni KounalakisJennifer Hawks
Attorney GeneralRob Bonta (Incumbent)Michael E. Gates
Insurance CommissionerBen AllenJane Kim
Superintendent of Public InstructionRichard BarreraSonja Shaw
Associate Justice, California Supreme Court, Seat 3Kelli M. Evans (Incumbent)
Associate Justice, California Supreme Court, Seat 5Joshua Groban (Incumbent)

Ballot measures · 18

Measure JMeasure J – San Mateo County Charter Amendment Measure – Extension to Call a Special Election or AppointSan Mateo CountyRead both sides →Measure LMeasure L – San Mateo County Charter Amendment Measure – Extreme Weather EventsSan Mateo CountyRead both sides →Measure UMeasure U – San Mateo County Charter Amendment Measure – Reapportionment of Supervisorial DistrictsSan Mateo CountyRead both sides →Measure AAMeasure AA – San Mateo County Charter Amendment Measure – Affirmation of RightsSan Mateo CountyRead both sides →

Statewide:Prop 1 Prop 2 Prop 3 Prop 4 Prop 5 Prop 37 Prop 38 Prop 39 Prop 40 Prop 41 Prop 42 Prop 43 Prop 44 Prop 45 All statewide propositions →

School and special-district measures depend on your address. Enter your address to see every measure on your ballot.

Built from official sources; candidates come only from certified ballot lists. Races and candidates update through the cycle. Confirm with the San Mateo County elections office. We never tell you how to vote.