California Assembly District 16

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2 candidates are tracked for California Assembly District 16 on the November 3, 2026 ballot: Rebecca Bauer-Kahan and Joseph A. Rubay. Candidate information follows official Contra Costa County election filings; verify with the official election office linked below.

Rebecca Bauer-Kahan (Democratic) and Joseph A. Rubay (Republican) meet on the November 3 ballot; Rebecca Bauer-Kahan is the incumbent, per the Secretary of State's list. June 2 top-two primary result: Rebecca Bauer-Kahan (DEM) 65.6 percent and Joseph A. Rubay (REP) 30.6 percent advanced over Chirag Kathrani (NPP) 3.8 percent, per the Secretary of State's Statement of Vote. California's top-two primary decides who prints in November; the field is the Secretary of State's Certified List of Candidates for the General Election (August 27, 2026). This seat is elected by district; only the district covering your address appears on your ballot.

Rebecca Bauer-Kahan

Democratic · Incumbent

Rebecca Bauer-Kahan is the Democratic incumbent representing California's 16th Assembly District, covering parts of Alameda and Contra Costa counties, per the Assembly's official roster. She chairs the Privacy and Consumer Protection Committee and the Select Committee on Reproductive Health, and also serves on select committees on cybersecurity and California's mental health crisis. No campaign website or questionnaire response was found as of September 7, 2026.

2026 priorities (per the Assembly committee roster)

• Consumer data privacy and protection
• Reproductive health access
• Cybersecurity policy