2026 General Election · Tuesday, November 3, 2026

California Assembly District 16

2 candidates, listed alphabetically.

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California uses a top-two primary: the two candidates with the most votes in the June 2 primary advanced, regardless of party, so both finalists can be from the same party.

California uses a top-two primary for congressional, statewide and legislative offices: the two candidates with the most primary votes advance regardless of party, so both general-election candidates can be from the same party. Write-in candidates for these offices can run only in the primary. California Secretary of State

Candidates

Rebecca Bauer-Kahan

DemocraticIncumbent

In office now: State Assembly Member, District 16
Work: State Assemblymember, 16th District; attorney and law professor

Rebecca Bauer-Kahan is the sitting State Assembly Member for District 16 in the California State Legislature, a district that includes all or part of Alameda and Contra Costa counties.

Rebecca Bauer-Kahan has served in the California Assembly since December 2018. She is an attorney who practiced environmental, investigations and intellectual property law and has taught law at Santa Clara University (from 2010) and Golden Gate University (from 2014).

Bauer-Kahan's committees

Business and Professions
Environmental Safety and Toxic Materials
Judiciary
Privacy and Consumer Protection (Chair)
Select Committee on California's Mental Health Crisis
Select Committee on Cybersecurity
Select Committee on Reproductive Health (Chair)
Joint Legislative Committee on Climate Change Policies

Sources for Bauer-Kahan

Rebecca Bauer-Kahan: official member information (California State Legislature (California State Senate; California State Assembly), Public record)
California State Legislature: current member roster (California State Legislature (California State Senate; California State Assembly), Public record)
Certified List of Candidates for the November 3, 2026, General Election (California Secretary of State, Public record)
Rebecca Bauer-Kahan (Wikipedia) (Wikipedia (CC BY-SA), Facts summarized from a public page (not copied))

Joseph A. Rubay

Republican

Work: Businessman, Alamo

Ballot designation filed with the California Secretary of State: Businessman.

Joseph A. Rubay is a businessman and longtime Alamo resident who has run against Assemblymember Rebecca Bauer-Kahan for the 16th Assembly District in 2020, 2024 and again in 2026.

Sources for Rubay

Certified List of Candidates for the November 3, 2026, General Election (California Secretary of State, Public record)
Rematch in Assembly 16th District (The Independent (Livermore), Facts summarized from a public page (not copied))
Bauer-Kahan faces two challengers in 16th Assembly (The Independent (Livermore), Facts summarized from a public page (not copied))

Sources

Candidate list and race details

Certified List of Candidates for the November 3, 2026, General Election (California Secretary of State, Public record)

What's included: U.S. Senate and House, statewide offices, every state legislative district on the ballot and statewide ballot measures.
Everything else: Local races (county, city, school board, judges) and anything else on your ballot are on your official sample ballot: voterstatus.sos.ca.gov.
Candidate lists: As of Wednesday, October 14, 2026.

This is not an official ballot. Confirm your registration, polling place and ballot with your election office through vote.gov.