Mark DeSaulnier

U.S. Representative, CA-10

CA House · Democratic

Mark James DeSaulnier ( də-SOH-nee-ay; born March 31, 1952) is an American politician who has served as a U.S. representative from California since 2015. He has represented California's 10th congressional district since 2023, although it was previously numbered the 11th district for his first eight years in office. The district includes most of Contra Costa County, a suburban county in the East Bay. A member of the Democratic Party since 2000, he was previously a member of the Republican Party. Before serving in the House of Representatives, DeSaulnier was a member of the Concord City Council (1991–94), a Contra Costa County Supervisor (1994–2006), and a member of the California State Legislature, representing the 11th State Assembly district from 2006 to 2008 and the 7th State Senate district from 2008 to 2015.

From the English Wikipedia article “Mark DeSaulnier”, available under CC BY-SA.

Voting Summary

Votes recorded: 31
Ballots cast: 26
Participation: 83.9%
Yea / Nay: 15 / 11

Yea15

Nay11

Absent5

Abstain0

31 total ballots recorded.

Participation counts yea and nay ballots votes where a position was taken as a share of all roll calls on file.

Voting Record

31 votes

Bill	Chamber	Roll call	Vote
Ratepayer Protection Act	house	—	Yea
Retire through Ownership Act	senate	—	Yea
Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.	house	—	Yea
Stop Insider Trading Act	house	—	Nay
Stop Insider Trading Act	house	—	Yea
American Battlefield Protection Program Amendments Act of 2026	house	—

Bill title and chamber are the only bill details held locally for these votes. Bill number, status, summary and sponsor are not part of this dataset see Bills for the fuller bill record. “Roll call” is the upstream roll-call identifier, not a date; no vote date is recorded in this dataset.