Mark DeSaulnier

Mark James DeSaulnier is an American politician who has served as a U.S. representative from California since 2015. He has represented the 10th congressional district since 2023, although it was previously numbered the 11th district for his first eight years in office. The district includes most of Contra Costa County, a suburban county in the East Bay. Until 2000, he was a member of the Republican Party; He has since been a member of the Democratic Party.

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Voting Record — 498

Yes39%

No58%

Present1%

Not Voting2%

Party align99%

Cross-party0%

SoupScore

District Map

Congressional District 10

U.S. Census Bureau boundary data.

Social & Web

Official site X @RepDeSaulnier Facebook Instagram

External Resources

Wikipedia Ballotpedia VoteSmart GovTrack OpenSecrets

Mark DeSaulnier

U.S. RepresentativeDemocratCalifornia District 10

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Mark's ATmosphere Activity

18 sponsored · 67 cosponsored

Recent ATmosphere posts, sponsorships, and cosponsorships.

No Bluesky profile connected for this member yet.

Sponsored Bills(18)

H.R. 8607 (119th)
To amend title 23, United States Code, to modify the transportation finance infrastructure a…
H.R. 8608 (119th)
To amend title 18, United States Code, to improve safety and security for service weapons us…
H.R. 8465 (119th)
Funding Early Childhood is the Right IDEA Act
H.R. 8073 (119th)
Protection and Advocacy for Student Success Act
H.R. 7590 (119th)
To promote minimum State requirements for the prevention and treatment of concussions caused…

Cosponsored Bills(67)

H. Res. 1208 (119th)
Expressing support for honoring Earth Day, and for other purposes.
Joined: 2026-04-22
H.R. 8402 (119th)
To amend the Elementary and Secondary Education Act of 1965 to increase civics education pro…
Joined: 2026-04-21
H.R. 8211 (119th)
Army Security Agency Monument Act
Joined: 2026-04-09
H.J. Res. 155 (119th)
Providing for congressional disapproval under chapter 8 of title 5, United States Code, of t…
Joined: 2026-04-09
H.R. 8085 (119th)
Ultra-Millionaire Tax Act of 2026
Joined: 2026-03-25

Leadership

No leadership roles

Committees

SoupScore Breakdown

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Voting History

498 total votes

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Recent roll calls with party-majority context so it is easier to scan how this member tends to vote.

Date	Bill	Question	Position	Party Maj	Align?	Result
2026-04-23	H.R. 5587 (119th)	Final passage	NO	NO	✓	Passed
2026-04-22	H.R. 6387 (119th)	Final passage	NO	NO	✓	Passed
2026-04-22	H.R. 6387 (119th)	Send back to committee	YES	YES	✓	Failed
2026-04-22	H.R. 4690 (119th)	Final passage	NO	NO	✓	Passed
2026-04-22	H.R. 4690 (119th)	Send back to committee	YES	YES	✓	Failed
2026-04-22	H. Res. 1182 (119th)	Approve resolution	NO	NO	✓	Passed
2026-04-22	H. Res. 1189 (119th)	Approve resolution	NO	NO	✓	Passed
2026-04-22	H. Res. 1189 (119th)	End debate now	NO	NO	✓	Passed
2026-04-21	S. 1020 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-04-21	H.R. 2493 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-04-21	H.R. 5201 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-04-20	H.R. 5200 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-04-20	H.R. 1681 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-04-17	H. Res. 1175 (119th)	Approve resolution	NO	NO	✓	Failed
2026-04-17	H. Res. 1175 (119th)	Approve amendment	NO	NO	✓	Failed
2026-04-17	H. Res. 1175 (119th)	End debate now	NO	NO	✓	Passed
2026-04-16	H. Res. 1156 (119th)	Approve resolution	NO	NO	✓	Passed
2026-04-16	H.R. 1689 (119th)	Final passage	YES	YES	✓	Passed
2026-04-16	H. Res. 965 (119th)	Approve resolution	YES	YES	✓	Passed
2026-04-16	H.R. 6398 (119th)	Final passage	NO	NO	✓	Passed
2026-04-16	H.R. 6398 (119th)	Send back to committee	YES	YES	✓	Failed
2026-04-16	H.R. 6409 (119th)	Final passage	NO	NO	✓	Passed
2026-04-16	H.R. 6409 (119th)	Send back to committee	YES	YES	✓	Failed
2026-04-16	H. Con. Res. 40 (119th)	Approve resolution	YES	YES	✓	Failed
2026-04-15	H. Res. 965 (119th)	Motion to Discharge	YES	YES	✓	Passed
2026-04-15	H. Res. 1174 (119th)	Approve resolution	NO	NO	✓	Passed
2026-04-15	H. Res. 1174 (119th)	End debate now	NO	NO	✓	Passed
2026-04-14	H.R. 7613 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-04-14	H.R. 1011 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-03-28	H. Res. 1142 (119th)	Approve resolution	NO	NO	✓	Passed
2026-03-28	H. Res. 1142 (119th)	End debate now	NO	NO	✓	Passed
2026-03-28	—	Motion to Adjourn	NO	NO	✓	Passed
2026-03-27	H.R. 7084 (119th)	Final passage	NO	NO	✓	Passed
2026-03-26	H.R. 8029 (119th)	Final passage	NO	NO	✓	Passed
2026-03-26	H.R. 8029 (119th)	Send back to committee	YES	YES	✓	Failed
2026-03-26	H. Res. 1128 (119th)	Approve resolution	NO	NO	✓	Passed
2026-03-25	H.R. 5103 (119th)	Final passage	NO	NO	✓	Passed
2026-03-25	H.R. 5103 (119th)	Send back to committee	YES	YES	✓	Failed
2026-03-25	H. Res. 1131 (119th)	Approve resolution	NO	NO	✓	Passed
2026-03-25	H. Res. 1131 (119th)	End debate now	NO	NO	✓	Passed
2026-03-24	H.R. 6422 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-03-19	H.R. 4638 (119th)	Final passage	NO	NO	✓	Passed
2026-03-18	H.J. Res. 139 (119th)	Fast-track passage	NO	NO	✓	Failed
2026-03-18	H.R. 1958 (119th)	Final passage	NO	NO	✓	Passed
2026-03-18	H.R. 556 (119th)	Final passage	NO	NO	✓	Passed
2026-03-18	H.R. 556 (119th)	Send back to committee	YES	YES	✓	Failed
2026-03-17	H. Res. 1115 (119th)	Approve resolution	NO	NO	✓	Passed
2026-03-17	H. Res. 1115 (119th)	End debate now	NO	NO	✓	Passed
2026-03-17	S. 3971 (119th)	Fast-track passage	YES	YES	✓	Passed
2026-03-17	H.R. 4294 (119th)	Fast-track passage	YES	YES	✓	Passed

Alignment stats consider only votes where a clear yes/no majority existed for the legislator's party. Cross-party marks divergence where the vote matched the opposite party majority. ↔ indicates cross-party divergence.

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