The Ballot Brief
San Mateo County, California

California Assembly District 23

CaliforniaSan Mateo County › California Assembly District 23

2 candidates are tracked for California Assembly District 23 on the November 3, 2026 ballot: Marc Berman and David G. Johnson. Candidate information follows official San Mateo County election filings; verify with the official election office linked below.

Marc Berman (Democratic) and David G. Johnson (Republican) meet on the November 3 ballot; Marc Berman is the incumbent, per the Secretary of State's list. June 2 top-two primary result: Marc Berman (DEM) 77.3 percent and David G. Johnson (REP) 14.6 percent advanced over Rick Giorgetti (REP) 8.0 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.

Marc Berman

Marc Berman

Democratic · Incumbent

Marc Berman represents California's 23rd Assembly District, covering San Mateo and Santa Clara counties. He chairs the Business and Professions Committee and the Select Committee on the Master Plan for Higher Education in California, and also serves on the Elections, Governmental Organization, and Insurance committees, per the Assembly's official roster. No campaign website or questionnaire response was found as of September 7, 2026.

2026 priorities (per the California State Assembly official roster)

David G. Johnson

Republican

David G. Johnson is the Republican candidate for California Assembly District 23 on the November 3, 2026 ballot, per the Secretary of State's Certified List of Candidates (ballot designation: Small Business Owner). No campaign website or questionnaire response was found as of September 7, 2026.

2026 priorities (per the San Mateo Daily Journal)

Verify this race
Candidate roster from official San Mateo County Supervisor of Elections filings. Bios and priorities carry their attribution inline.
Cross-check with the official California election office, or see the full San Mateo County sample ballot and your exact ballot by address.