2026 United States House of Representatives elections in California – District 10 — Candidates, Dates & Results

Nov 3, 2026

IncumbentMark DeSaulnier Democrat

2026 California's 10th congressional district election

November 3, 2026

Mark DeSaulnier Democrat Incumbent
Jeff Frese Republican

Primaries

Democratic primary

November 3, 2026In progress

✓Mark DeSaulnier IncumbentUnopposed

Republican primary

November 3, 2026In progress

✓Jeff FreseUnopposed

Primary

June 2, 2026Results 221,581 votes

✓Mark DeSaulnier Incumbent59.7% 132,246
Jeff Frese12.9% 28,671
Katherine Piccinini11.5% 25,487
Angela Griffiths6.7% 14,767

Also on the ballot:

Individual election

About 2026 United States House of Representatives elections in California – District 10

2026 United States House of Representatives elections in California – District 10 — 9 candidates tracked, election day November 3, 2026, with primary and…

This race-level view follows one contest through its candidates and election stages, with dates and results kept alongside links to the people and other races in the same jurisdiction.