Diamond Bar voter guide

Every race and measure on the November 3, 2026 ballot in Diamond Bar: 3 city races, county, state and federal races, and 17 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

Races by district · you vote in only one

Which district you are in depends on your address. Find your district →

District 1

City Council Member, Diamond Bar, District 1

2 candidates

Ruben Torres
Banker/Planning Commissioner
Steve Tye
Councilmember

District 3

City Council Member, Diamond Bar, District 3

1 candidate

Andrew Chou
Councilmember/Financial Planner

District 4

City Council Member, Diamond Bar, District 4

2 candidates

Chia-Yu TengIncumbent
Incumbent
Lee Mao
Small Business Owner

County, state and federal · districts that include Diamond Bar

FederalU.S. Representative, Congressional District 38Hilda SolisPedro Antonio CasasAll of Diamond Bar
StateAssembly District 56Lisa Calderon (Incumbent)Jessica MartinezAll of Diamond Bar
StateBoard of Equalization Member, District 3Mike GipsonSamuel P. SukatonAll of Diamond Bar
StateState Senate District 30Bob J. Archuleta (Incumbent)Araceli MartinezAll of Diamond Bar
CountySheriff, Los Angeles CountyAlex VillanuevaRobert G. LunaAll of Diamond Bar
StateCalifornia Court of Appeal Justice · 18 seatsRetention: you vote yes or no on keeping each judge. All of Diamond Bar.
Show all 18Show fewer
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 1, Seat 2Michelle C. Kim
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 1, Seat 3Gregory J. Weingart
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 2, Seat 2Steve Goorvitch
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 2, Seat 4Anne Richardson
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 3, Seat 1Mark Hanasono
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 3, Seat 3Rashida A. Adams
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 4, Seat 1Helen Zukin
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 4, Seat 2Audra M. Mori
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 4, Seat 3Nicholas Daum
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 4, Seat 4Armen Tamzarian
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 5, Seat 1Brian M. Hoffstadt
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 6, Seat 1Tari L. Cody
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 6, Seat 2Kenneth R. Yegan
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 7, Seat 1Gonzalo C. Martinez
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 7, Seat 2Natalie Stone
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 8, Seat 2John Wiley
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 8, Seat 3Matthew A. Scherb
- Court of Appeal Justice, California Court of Appeal, Second Appellate District, Division 8, Seat 4Victor G. Viramontes
CountySuperior Court Judge · 4 seats4 separate races. All of Diamond Bar.
Show all 4Show fewer
- Superior Court Judge, Los Angeles County, Office No. 131David RossDonna Tryfman
- Superior Court Judge, Los Angeles County, Office No. 64Maria GhobadiRhonda A. Haymon
- Superior Court Judge, Los Angeles County, Office No. 65Anna Slotky ReitanoJustin Allen Clayton
- Superior Court Judge, Los Angeles County, Office No. 87Anthony (A.J.) BayneDavid Dejute

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 · 17

Diamond Bar:Measure Q

Measure ALOS ANGELES COUNTY CHARTER AMENDMENT REITERATING GOOD FAITH NEGOTIATION OBLIGATIONS AND ESTABLISHING IMPARTIAL BINDING ARBITRATION FOR CERTIFIED PUBLIC SAFETY EMPLOYEE DISPUTESLos Angeles CountyRead both sides →Measure EPROPOSED COUNTY CHARTER AMENDMENT. COUNTY OF LOS ANGELES ETHICS COMMISSION AND COMMUNITY INVESTMENT BUDGET ALLOCATION CHARTER AMENDMENT.Los Angeles 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 Los Angeles County elections office. We never tell you how to vote.