Incumbent
Mark DeSaulnier
Incumbent Democratic candidate for U.S. House in California
Incumbent
CA-10 primary: first place
$5.9K
JUN 6, 2026Primary Election
Party selects its nominee.
Live Odds
Current prediction-market probability for the candidate, updated as market prices change.
Mark DeSaulnier is trading at 99% to win the CA-10 primary: first place on prediction markets.
Candidate Overview
Key details about the candidate’s background, party, office sought and current campaign.
Current roleU.S. Representative
PartyDemocratic
Political ideologyModerate Democrat
Age74 years old (Mar 31, 1952)
GenderMale
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LocationCalifornia
BackgroundPolitician
EducationCollege of the Holy Cross — B.A., History (1974)
Notable personal detailsMark James DeSaulnier is an American politician serving as the U.S. Representative for California’s 10th Congressional District, first taking office in 2015. Before Congress, he served in the California State Senate and held local government roles in Contra Costa County. He earned a B.A. in history from the College of the Holy Cross.
SourcesShowHide
Political Positions
Economy & Taxes
Mark DeSaulnier has supported targeted tax relief measures (for disaster survivors) and frames his agenda as opposing Republican tax policies, but does not have a single comprehensive public tax plan on his campaign issues page that clearly defines overall tax philosophy.
Healthcare
Supports expanding government-delivered health coverage and has sponsored legislation advancing Medicare-for-All / single-payer approaches while also engaging in hearings about public options and affordability. Positions emphasize universal coverage and stronger public-program solutions to reduce costs and expand benefits.
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Immigration & Border
Supports protections for Dreamers and asylum-seekers, sponsored legislation providing permanent status for Dreamers and individual relief (e.g., H.R. 4225), opposes family separation and immigration detention expansions, and has called for investigations of ICE raids and detainee abuse. Advocates for expanded legal pathways and humanitarian treatment while supporting reforms to the immigration system.
Abortion & Reproductive Rights
Supports protecting and expanding access to abortion and other reproductive health care, and backs federal legislation (Women’s Health Protection Act) to block state-level restrictions and codify abortion access. Sponsors and endorses measures to protect contraception and assisted reproductive technologies. Voting record and advocacy consistently align with pro-reproductive-rights positions.
Climate & Energy
Supports climate action and clean-energy investment, emphasizing emissions reductions, electric-vehicle infrastructure, and federal funding for community climate and environmental programs. Has a record of backing California emissions standards and pursuing accountability for major fossil-fuel companies while seeking federal resources to improve air quality and resilience. Does not have publicly cited positions calling for wholesale phase-out of fossil fuels or explicit Green New Deal–style language in the cited materials.
Public Safety & Guns
Supports expanded federal gun-violence prevention measures including universal background checks, funding for gun safety research and technology, and other firearm-safety legislation; has introduced and reintroduced multiple gun-safety bills as a member of Congress and endorses California-style stricter gun laws.
Latest News
Mark DeSaulnier is being mentioned in coverage of the 2026 House race fundraising picture. The report says Democrats outraised Republican incumbents in many competitive districts, which is shaping expectations for the midterm elections. No specific new development about DeSaulnier himself is detailed in the summary.
Endorsements
13Campaign Fundraising
Latest report: Cycle 2026Campaign finance totals from the latest available reporting period.
2022
2024
2026
LatestCycle 2022
Cycle 2024
Cycle 2026
Source: FEC
New updates coming soon
We're monitoring and will update when new data impacts the race.
- Polls