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2134 Rayburn House Office Building Washington DC 20515-0510
Campaign Finance (2026)
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Source: FEC · 2026 cycle
About
Mark DeSaulnier is a Democratic Representative from California's 10th District who previously served as a member of the California State Senate and the Contra Costa County Board of Supervisors.
Background
Mark DeSaulnier was born on March 31, 1952. Before entering public service, he was appointed to the Concord Planning Commission in 1988 and served on the University of California Toxic Substances Research and Teaching Program Advisory Committee. His early career also included serving as the mayor of Concord and working as a member of the Contra Costa County Board of Supervisors.
Political career
Mark DeSaulnier began his public service on the Concord Planning Commission and the Concord City Council before serving as a Contra Costa County Supervisor and a member of both chambers of the California State Legislature. Originally a member of the Republican Party, he switched his affiliation to the Democratic Party in 2000. He was first sworn into the U.S. House of Representatives in 2015 and has represented California's 10th district since 2023, following a redistricting change from his previous service in the 11th district.
Current focus
DeSaulnier, Mark represents the 10th congressional district of CA in the U.S. House. DeSaulnier, Mark is the ranking member of the Health, Employment, Labor, and Pensions. They also serve on the Aviation and the Higher Education and Workforce Development. They have sponsored 81 bills in the current House, including H.R. 8607; H.R. 8608; H.R. 8465.
Committee Assignments
119th Congress
- Aviation
- Health, Employment, Labor, and PensionsRanking Member
- Higher Education and Workforce Development
- Highways and Transit
- House Committee on Education and Workforce
- House Committee on EthicsRanking Member
- House Committee on Transportation and Infrastructure
- Railroads, Pipelines, and Hazardous Materials
- Water Resources and Environment
118th Congress
- Aviation
- Health, Employment, Labor, and PensionsRanking Member
- Higher Education and Workforce Development
- Highways and Transit
- House Committee on Education and Workforce
- House Committee on EthicsRanking Member
- House Committee on Transportation and Infrastructure
- Railroads, Pipelines, and Hazardous Materials
- Water Resources and Environment
Legislative Activity
100
Bills Sponsored
10
Recent Votes