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Contra Costa County

1,167,984 Population
732,464 Voters
Countywide District 1 District 2 District 3 District 4 District 5
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Contra Costa County

1,167,984 Population
732,464 Voters
Countywide District 1 District 2 District 3 District 4 District 5

Unlock complete local candidate data Candidates, past results, and upcoming races—skip the county portals.

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2026 Candidates

Contra Costa
7 offices, 11 candidates
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This candidate list is compiled from certified candidate filings published by the county elections office. While we strive for accuracy, always confirm with your local county clerk or registrar of voters for the official list.

Assessor (Countywide)

3 candidates
Vince Robb
Raised ~$XXX,XXX
Spent ~$XX,XXX
Cash ~$XX,XXX
Debt ~$XX,XXX
Through Apr 18, 2026
Committee Vince Robb for Assessor 2026
Kismat Kathrani
Raised ~$XX,XXX
Spent ~$X,XXX
Cash ~$XX,XXX
Debt ~$XXX
Through Apr 18, 2026
Committee Kismat Kathrani for Assessor 2026
Nicholas Spinner
Raised ~$XX,XXX
Spent ~$XX,XXX
Cash ~$X,XXX
Debt ~$XX,XXX
Through Apr 18, 2026
Committee Nick Spinner for Assessor 2026

County Superintendent of Schools (Countywide)

2 candidates
Dana Eaton
Raised ~$XX,XXX
Spent ~$XX,XXX
Cash ~$XX,XXX
Debt ~$XX,XXX
Through Apr 18, 2026
Committee Dana Eaton for Superintendent of Schools 2026
Dr. Jag Lathan
Raised ~$X,XXX
Spent ~$X,XXX
Cash ~$XXX
Debt ~$XXX
Through Dec 17, 2025
Committee Lynn Mackey for County Superintendent of Schools 2026

Auditor-Controller (Countywide)

1 candidate
Peter Karumbi
Raised ~$X,XXX
Spent ~$X,XXX
Cash ~$XXX
Debt ~$X,XXX
Through Apr 18, 2026
Committee Karumbi for Contra Costa County Auditor-Controller 2026

Clerk-Recorder (Countywide)

2 candidates
Kristin Braun Connelly
Raised ~$XXX,XXX
Spent ~$XXX,XXX
Cash ~$XX,XXX
Debt ~$XX,XXX
Through Apr 18, 2026
Committee Kristin Connelly for Contra Costa Clerk-Recorder-Registrar 2026
Pratima Sonavne
Raised ~$XXX
Spent ~$XXX
Cash ~$XXX
Debt ~$XXX
Through Apr 18, 2026
Committee Pratima Sonavne for Contra Costa County Clerk Recorder 2026

Treasurer-Tax Collector (Countywide)

1 candidate
Dan M. Mierzwa

Board of Supervisors - District 1

View District 1 candidate
John Gioia
Raised ~$X,XXX
Spent ~$X,XXX
Cash ~$XXX
Debt ~$XXX
Through Apr 18, 2026
Committee Neighbors for John Gioia for Contra Costa Supervisor 2026

Board of Supervisors - District 4

View District 1 candidate
Ken Carlson
Raised ~$XX,XXX
Spent ~$XX,XXX
Cash ~$XX,XXX
Debt ~$X,XXX
Through Apr 18, 2026
Committee Re-Elect Ken Carlson for County Supervisor 2026
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