Mark DeSaulnier

Democrat

House of Representatives

California — District 10

Years in Office

225

Bills Sponsored

3726

Cosponsored

Contact

Office2134 Rayburn House Office Building

Phone(202) 225-2095

Official Website

Committees (9)

House Committee on Transportation and Infrastructure

House Committee on Education and Workforce

House Committee on Ethics

Ranking Member

Aviation

Railroads, Pipelines, and Hazardous Materials

Water Resources and Environment

Highways and Transit

Higher Education and Workforce Development

Health, Employment, Labor, and Pensions

Ranking Member

2026 Election

Mark DeSaulnier — Independent (Incumbent)

Running in California District 10

Election details for this seat will appear here when available.

View California elections

Voting Patterns

Votes with party

52%

Votes with Democrat

Crosses party lines

48%

Votes against party

Missed votes

0 of 42

Total votes

of 42 roll calls

DeSaulnier, Mark votes with Democrat 52% of the time and crosses party lines more often than average. They've missed 0% of roll call votes.

Recent Votes

Stop Insider Trading Act

Jul 22, 2026· Passed

Nay

National Defense Authorization Act for Fiscal Year 2027

Jul 22, 2026· Passed

Nay

National Security, Department of State, and Related Programs Appropriations Act, 2027

Jul 15, 2026· Passed

Nay

Veterans 2nd Amendment Protection Act

May 21, 2026· Passed

Nay

CLARITY Act

Jul 17, 2025· Passed

Nay

Social Media

@RepDeSaulnier on X RepMarkDeSaulnier on Facebook

Official Sources

Congressional Biographical Directory House.gov Representative Finder

Currently serving in Congress