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November 3, 2026 · Sonoma County

Sonoma County ballot

What voters in Sonoma 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. Sonoma County: two open supervisor seats go to November runoffs District 2 (David Rabbitt's seat) and District 4 (James Gore's seat) each go to a two-candidate runoff on November 3. Sonoma County Registrar of Voters, June 2, 2026, canvass by district
  4. 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
  5. Christopher Cabaldon files to run for State Senate, District 3 in 2028 Christopher Cabaldon (Democratic) filed a statement of intention (Form 501) with the Secretary of State. A filing is a statement of intent, not a place on the ballot. Cal-Access

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

Trustee, Trustee Area 2 (Southwest County), Sonoma County

  • Jonathan Lenz Educator
  • Caitlin Quinn Nonprofit Union President

Official candidate list

Cities

Cloverdale

Cloverdale 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

City Treasurer-Finance Officer, Cloverdale

Candidates are being added from the official list.

Official candidate list

Healdsburg

Petaluma

Rohnert Park

Santa Rosa

Sebastopol

Sonoma

Windsor

Local measures

Rohnert Park measures

  • Measure K Rohnert Park Financial Viability, Community Health/Safety Measure: half-cent local sales tax, about $5.5 million a year

Official source

Santa Rosa measures

  • Measure L City of Santa Rosa sales tax (city calls it the Community Safety/Financial Stability Measure)

Official source

Sonoma County measures

  • Measure AB Sonoma County Junior College District bond
  • Measure D Coast Life Support District parcel tax
  • Measure E Waugh School District bond
  • Measure G West Sonoma County Union High School District parcel tax
  • Measure H County of Sonoma regional parks sales tax (county guide file name: SoCoRegParks_SalesTax)
  • Measure J Windsor Unified School District bond
  • Measure M Harmony Union School District parcel tax
  • Measure N Schell-Vista Fire Protection District appropriations limit
  • Measure O Old Adobe Union School District bond

Official source

Windsor measures

  • Measure I Town of Windsor 1% transactions and use (sales) tax, about $5.7 million a year to the General Fund

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: Sonoma County Registrar of Voters (Evelyn T. Mendez, appointed Registrar; stand-alone department since July 2025); results at the county's results page.

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