CA-10

Name: CA-10 Election 2026
Start: 2026-11-03
Location: California

California — U.S. House District 10

Nov 3, 2026California2 candidates

Incumbent

Mark DeSaulnier

(D)Incumbent

In office since 2015 · 6 terms

Participation

98%

Party Unity

97%

Bipartisan

Coverage Scorecard

Net +2722 votes

Good Look (14)Bad Look (8)

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Mark DeSaulnier

(D)Incumbent

Since 2015

Participation

98%

Party Unity

97%

Bipartisan

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Challengers

Jeffrey Frese

(R)

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Campaign finance data not yet available for this race.

Recent Coverage

Election History

2024

2022

2020

2018

2026

Mark DeSaulnier(D)N/A

Jeffrey Frese(R)N/A

2024

Mark DeSaulnier(D)66.5%

Katherine Piccinini(R)33.5%

2022

Mark DeSaulnier(D)78.9%

Michael Ernest Kerr(G)21.1%

2020

Josh Harder(D)55.2%

Ted Howze(R)44.8%

2018

Josh Harder(D)52.3%

Jeff Denham(R)47.7%

Campaign finance data sourced from FEC filings. Election results from MIT Election Lab. ChamberLight is not an official government source.

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CA-10

Incumbent

Challengers

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Election History