Mark James Desaulnier

Representative from California

HOUSEDEMOCRAT2015–nowID D000623

LegislationHEADLINE

99%with Dems

of 4,324 votes

Nominations

—with Dems

of 0 · confirmations only

All contested

99%with Dems

of 4,324 · both combined

Steepest move

+2 pts

2017 → 2019

still a Democrat

Career arc

Legislation leads. Each point is one Congress: how often they sided with the Democratic majority on contested bills, resolutions and amendments.

100%75%50%25%0%sides with Democrats ↑sides with Republicans ↓20152021

2025–26119th Congress

Sat as a Democrat

99.8%with Democrats

of 464 contested votes

Votes for this Congress are open below

Steepest move: 2017 → 2019, +2 pts — while still a Democrat.

Sat as a DemocratSat as a RepublicanVotes available below

Votes

DateBillVoteTypeCastSided with

Sep 16, 2026S. 2403Retire through Ownership ActLEGISLATIONYEABOTH · NOT SCORED

Sep 16, 2026H.R. 9497Water Resources Development ActLEGISLATIONYEABOTH · NOT SCORED

Sep 16, 2026H.R. 9340Ratepayer Protection ActLEGISLATIONYEABOTH · NOT SCORED

Full textRatepayer Protection ActParty majoritiesDemocrats Yea · Republicans YeaCounts toward scoreNo — both party majorities voted Yea.

Where this lands

YEAVoted with both majorities — not scored

Open roll call

Sep 16, 2026H.J.Res. 213Providing 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”LEGISLATIONNAYDEM MAJORITY

Sep 16, 2026H.R. 10326PROOF ActLEGISLATIONNAYDEM MAJORITY

Sep 16, 2026H.R. 9576National Fraud Enforcement Division ActLEGISLATIONYEABOTH · NOT SCORED

Sep 16, 2026H.R. 5334An Act to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposesLEGISLATIONNAYDEM MAJORITY

Sep 15, 2026H.Con.Res. 93Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with IranLEGISLATIONYEADEM MAJORITY

Sep 15, 2026H.J.Res. 210Providing 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”LEGISLATIONNAYDEM MAJORITY

9 most recent roll calls shown · 464 contested votes scored in the 119th CongressAll votes this Congress →

By policy area

career · legislation

Congress100% · 1,143 votes

Economics and Public Finance99.4% · 795 votes

Armed Forces and National Security98.4% · 375 votes

Government Operations and Politics99.6% · 268 votes

Energy100% · 183 votes

Finance and Financial Sector100% · 182 votes

Crime and Law Enforcement97.6% · 125 votes

Environmental Protection100% · 125 votes

Public Lands and Natural Resources100% · 110 votes

International Affairs100% · 108 votes

Health100% · 98 votes

Labor and Employment98.9% · 91 votes

Immigration100% · 81 votes

Transportation and Public Works97.5% · 81 votes

Education100% · 64 votes

Taxation100% · 64 votes

Law100% · 60 votes

Emergency Management97.8% · 45 votes

Science, Technology, Communications97.5% · 40 votes

Agriculture and Food100% · 26 votes

Civil Rights and Liberties, Minority Issues100% · 26 votes

Commerce100% · 24 votes

Water Resources Development100% · 20 votes

Foreign Trade and International Finance100% · 16 votes

Native Americans100% · 14 votes

Animals100% · 12 votes

Families100% · 11 votes

Housing and Community Development100% · 11 votes

Social Welfare100% · 11 votes

Too few contested votes to score

Arts, Culture, Religion— · 2 votes

They also voted in 1 area where the parties never split, so there is nothing to score — never on a contested question: Sports and Recreation.

Blue is the share of votes siding with the Democratic majority; the tick marks 50%.

Service record

6 Congresses

114th · 2015119th · 2025

Democrat · House · CA114th–119th

Term datesexact

Mark James Desaulnier

Representative from California

HOUSED2015–now6 CONGRESSES

Compare

LegislationHEADLINE

99.1%with Democrats

of 4,324 votes · 0.9% with Republicans

Nominations—of 0 votes

All contested99%of 4,324 · combined

Steepest move+2 pts2017→19, as a Democrat

Career arc

10050020152025

2025–26 · 119th · Democrat · of 464 votes99.8%

Legislation leads. Tap a point to read that Congress.

Votes

Democratic majorityYea

Republican majorityYea

Counts toward scoreNo

Open roll call

Latest 6 shown · 464 contested votes scored in the 119th

By policy area

career

Congress100% · 1,143

Economics and Public Finance99.4% · 795

Armed Forces and National Security98.4% · 375

Government Operations and Politics99.6% · 268

Energy100% · 183

Finance and Financial Sector100% · 182

Crime and Law Enforcement97.6% · 125

Environmental Protection100% · 125

Public Lands and Natural Resources100% · 110

International Affairs100% · 108

Health100% · 98

Labor and Employment98.9% · 91

Immigration100% · 81

Transportation and Public Works97.5% · 81

Education100% · 64

Taxation100% · 64

Law100% · 60

Emergency Management97.8% · 45

Science, Technology, Communications97.5% · 40

Agriculture and Food100% · 26

Civil Rights and Liberties, Minority Issues100% · 26

Commerce100% · 24

Water Resources Development100% · 20

Foreign Trade and International Finance100% · 16

Native Americans100% · 14

Animals100% · 12

Families100% · 11

Housing and Community Development100% · 11

Social Welfare100% · 11

Arts, Culture, Religion— · 2

Also voted in 1 area where the parties never split — never on a contested question: Sports and Recreation.

Service record

114th · 2015119th · 2025

Democrat114th–119th

Party switchers

John Alexander LoganD→R · IL · 40th Wesley Wade WatkinsD→R · OK · 105th Ben Nighthorse CampbellD→R · CO · 104th