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June 18, 2025
Walnut Creek, CA – Congressman Mark DeSaulnier (CA-10) announced today that he will host a virtual town hall on protecting democracy amidst attacks on constitutional rights and democratic norms from the Trump Administration on Tuesday, June 24th at 4:00 p.m. PT.
June 18, 2025
Walnut Creek, CA – Today, Congressman Mark DeSaulnier (CA-10) announced he will visit Contra Costa Regional Medical Center (CCRMC) and then hold a press conference on Friday, June 20th at 3:00 p.m. as part of House Democrats’ Save Our Hospitals Week of Action to highlight how the Trump Administration’s One Big, Ugly Bill will devastate hospitals like CCRMC and gut health care services for millions of Americans across the country and in California’s 10th Congressional District.
June 13, 2025
Washington, D.C. – Today, Congressman Mark DeSaulnier (CA-10) sent a letter to the Acting Director of U.S. Immigration and Customs Enforcement (ICE) urgently requesting information regarding recent ICE activity in Concord, California as well as a meeting with the Acting Director.
June 10, 2025
Washington, D.C. – Today, Congressman DeSaulnier released the following statement in response to ICE activity in Contra Costa County.
June 9, 2025
DeSaulnier Digest

AT A GLANCE

In this week's Digest you will find more information on: 

  • Mark asking the Secretary of Education and the Secretary of Labor to commit to protecting students and workers amid Trump funding cuts;
  • Commemoration of the 81st anniversary of D-Day; and
  • The 2025 Congressional App Challenge

IN COMMITTEE

June 3, 2025
Washington, D.C. – Today, Congressman Mark DeSaulnier issued the following statement in response to the Trump Administration’s proposal to eliminate the Chemical Safety Board and Hazard Investigation Board (CSB), the independent agency responsible for investigating chemical disasters, including fatal fires and explosions.
June 3, 2025
Walnut Creek, CA – Today, Congressman Mark DeSaulnier (CA-10) announced he will host the 2025 Congressional App Challenge (CAC), a competition for middle and high school students to showcase their coding and computer science skills by designing original software applications.
June 2, 2025
DeSaulnier Digest

I am proud to share that my office has advanced more than $35 million in funding for projects that would directly benefit communities in Contra Costa and Alameda Counties. These 15 projects will make our roads safer and more efficient, improve outdoor spaces, provide cost-savings and environmental benefits through sustainability, and bolster protection from crime and national disasters.

May 29, 2025
Washington, D.C. – Today, Congressman Mark DeSaulnier (CA-10) announced that he advanced 15 projects totaling over $35 million to benefit Contra Costa and Alameda Counties for consideration by the U.S. House Committee on Appropriations as part of the Fiscal Year 2026 appropriations process.
May 27, 2025
DeSaulnier Digest

It was a dark week on Capitol Hill. Despite 29 straight hours of Democratic opposition and the more than 500 amendments that we introduced, my Republican colleagues recklessly voted last week to take away health care for nearly 14 million Americans through cuts to Medicaid and the Affordable Care Act and to slash food assistance for families through cuts to SNAP. Republicans made these cuts to programs that the American people rely on to give the ultrawealthy and giant corporations a tax cut.

Office Locations

2134 Rayburn House Office Building
Washington, DC  20515
Phone: (202) 225-2095
Fax: (202) 225-5609
4703 Lone Tree Way
Antioch, CA  94531
Phone: (925) 754-0716
3100 Oak Road
Suite 110
Walnut Creek, CA  94597
Phone: (925) 933-2660
Fax: (925) 933-2677