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November 3, 2026 · Contra Costa County

Contra Costa County ballot

What voters in Contra Costa County decide on November 3, 2026: the contests and candidates, from the official lists.

Recent updates

  1. Ballots are in the mail and early voting has begun Counties began mailing ballots, and early voting sites and drop boxes opened. Register by October 19, or register and vote the same day through Election Day, November 3. California Secretary of State, key dates and deadlines
  2. The Secretary of State certifies the candidates for November 3 The certified list names the candidates for every state and federal contest on the ballot, including the new congressional districts approved by voters in November 2025. California Secretary of State, Certified List of Candidates
  3. Contra Costa County: county races settled in June Every county office on the June ballot was decided outright. The only countywide contests left for November are a County Board of Education seat and the regional transit measure. Contra Costa County Elections, June 2, 2026, election summary report
  4. Richmond Mayor Eduardo Martinez finishes third in the primary The November race for Richmond mayor is between the top two finishers. Martinez is not on the November ballot. Contra Costa County Elections, November 3, 2026, General Election
  5. Voters approve Proposition 50, redrawing California's congressional districts The new districts are used on the 2026 ballot and take effect January 3, 2027. Members of Congress serve out their current terms under the old lines. California Secretary of State, Statement of Vote, November 4, 2025, special election

SFBAYHCC does not endorse candidates in these pages. Every candidate in a contest gets the same fields, listed in the order the official source lists them. Key dates and the 2028 calendar are on the Elections page.

Statewide offices

Congress

State Legislature and Board of Equalization

State Board of Equalization, District 2

Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Sonoma

Party endorsements are each party's official list, linked on each tag; a party preference on the ballot is not an endorsement. How we report endorsements.

California Secretary of State

County

Member, County Board of Education, Area 2, Contra Costa County

  • Sarah Butler IncumbentGoverning Board Member, Contra Costa County Board of Education, Area 2
  • Pamela West Small Business Owner
  • Sibyl Minighini School Psychologist

Official candidate list

Cities

Antioch

Brentwood

Clayton

Concord

Danville

El Cerrito

El Cerrito City Council

2 seats

Party endorsements are each party's official list, linked on each tag; a party preference on the ballot is not an endorsement. How we report endorsements.

Official candidate list

Hercules

Martinez

Moraga

Orinda

Pinole

Pinole City Council

3 seats

Party endorsements are each party's official list, linked on each tag; a party preference on the ballot is not an endorsement. How we report endorsements.

Official candidate list

Pittsburg

Pittsburg City Council

3 seats

Party endorsements are each party's official list, linked on each tag; a party preference on the ballot is not an endorsement. How we report endorsements.

Official candidate list

Pleasant Hill

Richmond

San Pablo

San Ramon

Walnut Creek

Local measures

Clayton measures

  • Measure M Measure M: City of Clayton 1% sales tax (transaction and use tax) for city services; majority vote
  • Measure N Measure N: Clayton citywide landscape maintenance special tax extension and rate change ($354.45 per parcel/acre, ten years); two-thirds vote

Official source

Concord measures

  • Measure O Measure O: Concord business license tax update to 0.1% of gross receipts (about $2.9 million a year); majority vote

Official source

Contra Costa County measures

  • Measure RTM Measure RTM: Regional Transit Measure (0.5% sales tax for 14 years in Alameda, Contra Costa, San Mateo, Santa Clara; 1% in San Francisco); majority overall. Multi-county, appears on all Contra Costa city ballots.
  • Measure RTM Measure RTM: regional transit sales tax (0.5% in Contra Costa, 14 years); five-county measure (Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara); majority required; special election consolidated with the Nov 3 general by Board resolution 2026-366

Official source

Hercules measures

  • Measure P Measure P: Hercules 1% sales tax (about $4 million a year) until ended by voters; majority vote

Official source

Richmond measures

  • Measure Q Measure Q: Richmond $120 million fire facilities and firefighter housing bonds; two-thirds vote

Official source

San Pablo measures

  • Measure R Measure R: San Pablo temporary 1/2-cent sales tax for 5 years, then 1/4-cent for 5 years; majority vote
  • Measure S Measure S: San Pablo residential rent increase limits and eviction/tenant protections (rent control ordinance); majority vote

Official source

Walnut Creek measures

  • Measure T Measure T: Shall the office of City Treasurer (Walnut Creek) be appointive; majority vote
  • Measure U Measure U: Walnut Creek senior housing site (2.4 acres at North California Blvd and Ygnacio Valley Rd): General Plan, North Downtown Specific Plan and zoning change; majority vote

Official source

Statewide propositions

Statewide propositions

  • Proposition 1 Authorizes Bonds For Housing Affordability Programs. Legislative Statute.
  • Proposition 2 Increases State's Rainy Day Fund. Legislative Constitutional Amendment.
  • Proposition 3 Provides Permanent Funding For Schools And Health Care By Extending Existing Tax On High Incomes. Initiative Constitutional Amendment.
  • Proposition 4 Repeals Prohibition Against Public Funding Of Election Campaigns. Legislative Statute.
  • Proposition 5 Changes Recall Election Process For Statewide Officers. Legislative Constitutional Amendment.
  • Proposition 37 Creates Loan Program For Middle-Income Buyers Of Qualified New Homes. Initiative Statute.
  • Proposition 38 Authorizes Bonds For Immunology Medical Research. Initiative Statute.
  • Proposition 39 Prohibits Citizens From Voting Unless They Present Government-Issued Identification. Initiative Constitutional Amendment.
  • Proposition 40 Imposes One-Time Tax On Certain Taxpayers. Initiative Constitutional Amendment And Statute.
  • Proposition 41 Prohibits New State Taxes That Exclude Revenues From State Spending Limit. Requires Audits For New State Special Taxes. Initiative Constitutional Amendment.
  • Proposition 42 Prohibits New State Personal Property Taxes And Certain Retroactive State Taxes. Initiative Constitutional Amendment.
  • Proposition 43 Limits Voters' Ability To Raise Revenues For Local Government Services. Legislative Constitutional Amendment.
  • Proposition 44 Requires Community Health Clinics Spend 90% Of Revenue On Program Services. Initiative Statute.
  • Proposition 45 Modifies Environmental Review For Certain Projects. Initiative Statute.

California Secretary of State

Official source: Contra Costa County Clerk-Recorder, Elections Division; results at the county's results page.

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