Mark
DeSaulnier
Democratic U.S. Rep. Mark DeSaulnier represents California's 10th District and is seeking reelection in 2026.
- sources
- 20
- positions
- 12
- endorsements
- 37
Background
Mark DeSaulnier is the Democratic U.S. Representative for California's 10th Congressional District, having served in Congress since January 3, 2015. He was born in Lowell, Massachusetts, earned a B.A. in history from the College of the Holy Cross in 1974, and has lived in Concord, California. 111/)
Before entering Congress, DeSaulnier held a series of elected offices in the East Bay: Concord City Council (1991–1994), including a term as mayor of Concord in 1993; Contra Costa County Board of Supervisors (1994–2006); California State Assembly (2006–2008); and California State Senate (2008–2014). 11/)
Prior to his political career, DeSaulnier worked as a deputy probation officer, warehouse worker, hotel service employee, and restaurant worker and general manager. He owned and managed several Bay Area restaurants, including Henry Africa's, Santa Fe Bar and Grill, and TR's. 111/)
DeSaulnier is seeking reelection in 2026 to represent California's 10th District, which has carried that number since 2023. His campaign website highlights his record and positions on a range of issues. 1218
At a glance
- Party
- Democratic · Incumbent
- Running for
- U.S. House · District 10, California
- Election
- Nov 3, 2026
- Current office
- U.S. Representative, California's 10th Congressional District
- Website
- desaulnierforcongress.com(opens in a new tab)
Where they stand
Each position links to the page it was drawn from. Quotes are verbatim.
Voting record
How Mark DeSaulnier voted in Congress: 118th Congress (2023–24) and 119th Congress (2025–26), Jan 3, 2023 to Sep 16, 2026. From the official House and Senate roll call records.
- roll call votes
- 1,909
- missed
- 1.7%
- with their party’s majority
- 97%
Recent key votes
- Sep 16, 2026 · House · S2403 · Economy & jobsRetire through Ownership ActOn Motion to Suspend the Rules and Pass · PassedOfficial roll call ↗(opens in a new tab)Yes
- Sep 16, 2026 · House · HR9497 · Climate & energyWater Resources Development ActOn Motion to Suspend the Rules and Pass, as Amended · PassedOfficial roll call ↗(opens in a new tab)Yes
- Sep 16, 2026 · House · HR9340 · Climate & energyRatepayer Protection ActOn Motion to Suspend the Rules and Pass, as Amended · PassedOfficial roll call ↗(opens in a new tab)Yes
- Sep 16, 2026 · House · HJRES213 · Climate & energyProviding for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the “California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision”On Passage · PassedOfficial roll call ↗(opens in a new tab)No
- Sep 16, 2026 · House · HR10326 · Crime & public safetyPROOF ActOn Passage · PassedOfficial roll call ↗(opens in a new tab)No
- Sep 16, 2026 · House · HR9576 · Crime & public safetyNational Fraud Enforcement Division ActOn Passage · PassedOfficial roll call ↗(opens in a new tab)Yes
- Sep 15, 2026 · House · HJRES210 · Climate & energyProviding for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to “California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision”On Passage · PassedOfficial roll call ↗(opens in a new tab)No
- Sep 15, 2026 · House · HR9500 · Taxes & budgetTax Relief for Fraud Victims ActOn Motion to Suspend the Rules and Pass, as Amended · PassedOfficial roll call ↗(opens in a new tab)Yes
Key votes are final decisions on bills and joint resolutions, and top nominations. Software sorts each into an issue from its official title, so check the roll call. All 1,909 votes →
Timeline
- Oct 9newsDeSaulnier joins Rep. Scott demanding Trump administration answers on protecting workers' benefits
DeSaulnier joined House Education and Workforce Committee Ranking Member Bobby Scott in formally demanding answers from the Trump administration about its capacity to protect the benefits of 155 million workers.
Scott, DeSaulnier Demand Answers from Trump Administration on Ability to Protect 155 Million Workers’ Benefits · Oct 9, 2026 (opens in a new tab) - Oct 8newsLocal coverage highlights DeSaulnier's campaign focus on AI, housing, and transit
A Danville San Ramon article described DeSaulnier emphasizing support for workers affected by AI and automation, housing, and transit, while Republican challenger Frese focused on affordability, term limits, and a congressional stock-trading ban.
Mark Desaulnier faces Republican challenger in race for ... · Oct 8, 2026 (opens in a new tab) - Oct 3newsDeSaulnier pens East Bay Times op-ed calling for stronger refinery safety accountability
In an opinion piece, DeSaulnier argued for greater real-time accountability and more prohibitive fines for refinery-safety violations, writing that workers and surrounding communities deserve stronger protections.
DeSaulnier: When profits matter more than safety, ... · Oct 3, 2026 (opens in a new tab) - Oct 1endorsementCenter Action Fund lists DeSaulnier among its 2026 midterm general election endorsements
The Center Action Fund published its 2026 midterm general endorsements list, which included DeSaulnier for CA-10.
2026 Midterm General Endorsements - Center Action Fund · Oct 1, 2026 (opens in a new tab) - Oct 1newsDeSaulnier introduces the Better Transit for Riders Act to improve public transit coordination
DeSaulnier introduced the Better Transit for Riders Act, aimed at improving transit reliability, coordination, and the overall riders' experience.
DeSaulnier Introduces Bill to Improve Public Transit ... · Oct 1, 2026 (opens in a new tab) - Sep 24endorsementLeague of Conservation Voters Action Fund endorses DeSaulnier for CA-10
The LCV Action Fund announced DeSaulnier as one of its endorsed candidates for the U.S. House of Representatives in the 2026 midterm general election.
LCV Action Fund Announces Latest Slate of Endorsements for U.S. ... · Sep 24, 2026 (opens in a new tab) - Aug 27filingCalifornia Secretary of State certifies DeSaulnier and Frese as CA-10 general election candidates
The state's certified general-election candidate list, dated August 27, listed DeSaulnier and Frese as the two CA-10 candidates for the November general election.
Mark DeSaulnier (D) — U.S. Representative, CA-10 | 2026 profile · Sep 24, 2026 (opens in a new tab) - Jun 30filingDeSaulnier reports $586,497 cash on hand in mid-year FEC filing
Federal campaign-finance data showed DeSaulnier with $586,497 cash on hand as of June 30. Opponent Jeff Frese reportedly raised and spent less than $5,000.
Election 2026: House control is up for grabs. Bay Area seats look ... · Oct 7, 2026 (opens in a new tab) - Jun 2filingDeSaulnier advances from California top-two primary with 59.7% of the vote
California's top-two primary advanced DeSaulnier and Republican Jeff Frese to the general election. DeSaulnier received 132,246 votes (59.7%); Frese received 28,671 (12.9%).
Mark DeSaulnier (D) — U.S. Representative, CA-10 | 2026 profile · Sep 24, 2026 (opens in a new tab)
Endorsements
- Rob Bonta officialCalifornia Attorney General; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Alameda County Labor Council, AFL-CIO unionListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Pete Aguilar officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Ricardo Lara officialCalifornia Insurance Commissioner; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Planned Parenthood Action Fund organizationLists DeSaulnier among its 2026 U.S. House endorsements; no specific date given. plannedparenthoodaction.org
- United Farm Workers of America unionListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Zoe Lofgren officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Malia Cohen officialCalifornia State Controller; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Equality California organizationListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Brotherhood of Locomotive Engineers & Trainmen unionListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Jared Huffman officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Tony Thurmond officialCalifornia Superintendent of Public Instruction; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Sierra Club organizationListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Democratic Party of Contra Costa County organizationIdentified DeSaulnier under federal positions on its 2026 general-election endorsements page. contracostadems.com
- Doris Matsui officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Diane Burgis officialContra Costa County Supervisor; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Human Rights Campaign PAC organizationListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Alex Padilla officialU.S. Senator; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Mike Thompson officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Ken Carlson officialContra Costa County Supervisor; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- SEIU California unionListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Adam Schiff officialU.S. Senator; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Jamie Raskin officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- John Gioia officialContra Costa County Supervisor; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- California Environmental Voters organizationListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Nancy Pelosi officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Rosa DeLauro officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Shanelle Scales-Preston officialContra Costa County Supervisor; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Candace Andersen officialContra Costa County Supervisor; listed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Contra Costa Labor Council unionListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Katherine Clark officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- California Labor Federation unionListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Hakeem Jeffries officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- Ayanna Pressley officialListed on the campaign's endorsements page; no date given. desaulnierforcongress.com
- League of Conservation Voters Action Fund organizationLCV Action Fund announced its endorsement of DeSaulnier on September 24, 2026. lcv.org · Sep 24, 2026
- California Federation of Labor Unions, AFL-CIO unionListed in the Federation's 2026 general-election recommendations adopted at its COPE convention in Oakland on August 4, 2026. calaborfed.org · Aug 4, 2026
- California Federation of Teachers unionListed in CFT's 2026 general-election endorsement material dated April 27, 2026, for U.S. House District 10. utla.net · Apr 27, 2026
Past elections
General election results for federal office, from the Federal Election Commission.
| Year | Seat | Result | Votes | Share |
|---|---|---|---|---|
| 2022 | U.S. House CA-10 · D | Won | 198,415 | 78.9% |
| 2020 | U.S. House CA-11 · D | Won | 271,063 | 73.0% |
| 2018 | U.S. House CA-11 · D | Won | 204,369 | 74.1% |
| 2016 | U.S. House CA-11 · D | Won | 214,868 | 72.1% |
Covers the 2016 to 2022 general elections. The FEC has not yet published 2024 congressional results.
Campaign finance
Totals filed with the Federal Election Commission for the 2026 election cycle.
- Raised
- $567K
- Spent
- $610K
- Cash on hand
- $586K
As of Jun 30, 2026. Filings are periodic, so recent money may not be included yet. ↳ FEC record H0CA10073(opens in a new tab)
Sources 20
- [1] 2026 Planned Parenthood Action Fund Endorsed Candidates(opens in a new tab) Oct 9, 2026
- [2] Mark On The Issues(opens in a new tab) Oct 9, 2026
- [3] Scott, DeSaulnier Demand Answers from Trump Administration on Ability to Protect 155 Million Workers’ Benefits(opens in a new tab) Oct 9, 2026
- [4] Mark Desaulnier faces Republican challenger in race for ...(opens in a new tab) Oct 8, 2026
- [5] Election 2026: House control is up for grabs. Bay Area seats look ...(opens in a new tab) Oct 7, 2026
- [6] Endorsements(opens in a new tab) Oct 7, 2026
- [7] DeSaulnier: When profits matter more than safety, ...(opens in a new tab) Oct 3, 2026
- [8] 2026 General Election Endorsements(opens in a new tab) Oct 2, 2026
- [9] 2026 Midterm General Endorsements - Center Action Fund(opens in a new tab) Oct 1, 2026
- [10] DeSaulnier Introduces Bill to Improve Public Transit ...(opens in a new tab) Oct 1, 2026
- [11] LCV Action Fund Announces Latest Slate of Endorsements for U.S. ...(opens in a new tab) Sep 24, 2026
- [12] Mark DeSaulnier (D) — U.S. Representative, CA-10 | 2026 profile(opens in a new tab) Sep 24, 2026
- [13] [PDF] General Election 2026 • Tuesday, November 3 – Page 1(opens in a new tab) Sep 4, 2026
- [14] California Federation of Labor Unions(opens in a new tab) Aug 5, 2026
- [15] Congressman DeSaulnier Introduces Bill to Protect Workers from Wrongful Health Claim Denials(opens in a new tab) Jul 20, 2026
- [16] The DeSaulnier Digest: My Vote to End the Illegal War in Iran(opens in a new tab) Mar 9, 2026
- [17] Congressman DeSaulnier Statement on Passage of Republican ...(opens in a new tab) Mar 11, 2025
- [18] Mark DeSaulnier For Congress(opens in a new tab) Aug 15, 2024
- [19] Oversight and Accountability(opens in a new tab) May 20, 2020
- [20] Gun Violence Prevention | Congressman Mark Desaulnier(opens in a new tab) May 20, 2013