Missouri House · District 107

Mark Matthiesen

Republican

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Votes with the Speaker 72% On 419 contested votes where both voted · 82% on all votes Votes with own party 91% Partisan rank: 129 of 155 in the House (tied with 2 others) Didn't vote at roll call 14% 148 of 1,022 roll calls · 148 of them excused

Bills passed 1 28 sponsored · 1 became law · Rank 15 of 155 in the House (tied with 21 others) Bills that became law 1 of 1 passed · 0 vetoed

Where they sit

Every current House member, placed from most liberal to most conservative by how they voted on contested bills.

How these numbers work →

← Most liberalThe aisleMost conservative →

Votes with DemocratsCrosses party linesVotes with Republicans

Mark Matthiesen's seat is marked. Seats run from most liberal (left) to most conservative (right), by contested floor votes. Color shows how often each member crosses party lines toward the middle on votes that divide the parties: solid blue or red means almost never, and purple means on at least 1 in 5 of those votes. Gray seats are members too new to score. How these numbers work

Missouri House85thpercentile

More conservative than 85% of the Missouri House.

Most liberalMost conservative

24th most conservative of 155

On the November 3 ballot

Running for Missouri House District 107.

Also on the ballot: Gary Wester (Democratic)

Who's on your Nov. 3 ballot for the Legislature →

The scores

How these numbers work →

Votes with the Speaker

72%

Each tick is a current House member, by party; the dot is Mark Matthiesen.

On 419 contested votes where both voted82% on all 828 votes where both voted

Votes with own party

91%

Each tick is a current House member, by party; the dot is Mark Matthiesen.

On 294 party-line votesPartisan rank: 129 of 155 in the House (tied with 2 others)128 House members vote with their party more often

Bills

The bills Mark Matthiesen sponsored this term and how far they got. Co-sponsors aren’t counted.

How these numbers work →

Bills: Mark Matthiesen
	Bills
Sponsored	28
Passed both chambers	1
Became law	1
Vetoed by the Governor	0

Rank by bills passed: Rank 15 of 155 in the House (tied with 21 others) · 15 of 105 Republicans (tied with 21 others)

A bill's sponsor is the member who introduced it; co-sponsors aren't counted.

Bills that passed both chambers

Bills that passed both chambers: Mark Matthiesen
Bill	Result	Final action
HB 516 (2025 Regular Session) Modifies criteria of hazardous waste investigations and increases the hazardous waste fund appropriations	Became law	May 12, 2025

Budget projects

Missouri's appropriation bills don't say which legislator asked for an item, so there's no budget figure for Missouri legislators.

Contested votes where they split

116 against the Speaker; 107 against most of their party.

Contested votes where they split: Mark Matthiesen
Date	Bill and motion	Their vote	Speaker	Most of their party
Sept. 16, 2026	HR 2: Informs the Senate that the House adopted no motions to override the veto of certain bills Previous Question	Yea	Nay (split)	Nay (split)
May 15, 2026	SB 1553: Authorizes incentives for producing certain critical materials and pharmaceuticals Final Passage	Nay	Yea (split)	Yea (split)
May 15, 2026	SB 913: Modifies provisions relating to tax credits Final Passage	Nay	Yea (split)	Yea (split)
May 14, 2026	SB 1019: Modifies several provisions relating to health care Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 14, 2026	HB 2372: Modifies provisions relating to health care Final Passage	Nay	Yea (split)	Yea (split)
May 14, 2026	HB 2372: Modifies provisions relating to health care Concurrence	Nay	Yea (split)	Yea (split)
May 14, 2026	SB 1019: Modifies several provisions relating to health care Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 13, 2026	HB 1839: Establishes provisions relating to civil liability for publishing or distributing material harmful to minors on the internet Concurrence	Nay	Yea (split)	Yea (split)
May 12, 2026	SB 953: Modifies provisions relating to environmental programs within the Department of Natural Resources Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 12, 2026	HB 1871: Modifies provisions relating to elections Final Passage	Nay	Yea (split)	Yea (split)
May 12, 2026	HB 1871: Modifies provisions relating to elections Concurrence	Nay	Yea (split)	Yea (split)
May 11, 2026	HB 1825: Removes the prosecuting attorney and the sheriff from the county salary commission Final Passage	Nay	Yea (split)	Yea (split)
May 11, 2026	HB 1825: Removes the prosecuting attorney and the sheriff from the county salary commission Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2020: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2020: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2019: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2019: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2018: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Final Passage	Nay	Nay	Yea (split)
May 6, 2026	HB 2018: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2017: Appropriates money for capital improvements Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2017: Appropriates money for capital improvements Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2013: Appropriates money for real property leases and related services Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2013: Appropriates money for real property leases and related services Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2011: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Social Services Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2011: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Social Services Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2010: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Mental Health, the Department of Health and Senior Services, and… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2010: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Mental Health, the Department of Health and Senior Services, and… Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2009: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Corrections Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2009: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Corrections Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2007: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Economic Development, the Department of Commerce and Insurance… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2007: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Economic Development, the Department of Commerce and Insurance… Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2006: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Agriculture, the Department of Natural Resources, and the… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2006: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Agriculture, the Department of Natural Resources, and the… Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2005: Appropriates money for the expenses, grants, refunds, and distributions of the Office of Administration, the Department of Transportation, the Department of… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2005: Appropriates money for the expenses, grants, refunds, and distributions of the Office of Administration, the Department of Transportation, the Department of… Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2004: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Revenue and Department of Transportation Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2004: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Revenue and Department of Transportation Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2003: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2003: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development Concurrence	Nay	Yea (split)	Yea (split)
May 6, 2026	HB 2002: Appropriates money for the expenses, grants, refunds, and distributions of the State Board of Education and Department of Elementary and Secondary Education Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 29, 2026	SB 973: Creates and modifies provisions relating to real estate transactions Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 29, 2026	SB 938: Modifies certain provisions relating to land surveying Final Passage	Nay	Yea (split)	Yea (split)
April 28, 2026	HB 1758: Establishes the "Daylight Saving as New Standard Time Pact" Third Reading and Final Passage	Yea	Nay (split)	Yea
April 27, 2026	HB 2974: Modifies provisions relating to licensure reciprocity Final Passage	Nay	Yea (split)	Yea (split)
April 27, 2026	HB 2974: Modifies provisions relating to licensure reciprocity Concurrence	Nay	Yea (split)	Yea (split)
April 20, 2026	HB 2151: Modifies provisions governing the fast track workforce incentive grant Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 20, 2026	HB 2142: Modifies the "Show MO Act" tax credit caps for qualified motion media production projects Third Reading and Final Passage	Nay	Yea (split)	Nay
April 20, 2026	HB 2297: Allows real property owners building a fence to enter an adjoining property up to 10 feet without liability for trespassing Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 20, 2026	HB 1736: Modifies provisions governing county sales taxes for park purposes to allow tax revenues to be used for storm water management projects in parks Third Reading and Final Passage	Nay	Yea (split)	Nay
April 8, 2026	HB 2096: Modifies provisions relating to state funds for regional planning commissions Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2026	HB 2409: Authorizes the "Child Care Contribution Tax Credit Act", the "Employer-Provided Child Care Assistance Tax Credit Act", and the "Child Care Providers Tax… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2026	HB 3113: Establishes provisions relating to drug overdose prevention and investigation of drug-related deaths Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2026	HB 3239: Establishes and modifies provisions relating to adult education Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2026	HB 2020: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2026	HB 2019: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2026	HB 2018: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 30, 2026	HB 1623: Creates provisions relating to emergency suspensions or restrictions for massage therapists and chiropractors Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 3231: Establishes the "Missouri Innovation, Public Safety, and Accountability Act" Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2013: Appropriates money for real property leases and related services Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2012: Appropriates money for the expenses, grants, refunds, and distributions of statewide elected officials, the Judiciary, the Office of the State Public… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2010: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Mental Health, the Department of Health and Senior Services, and… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2009: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Corrections Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2007: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Economic Development, the Department of Commerce and Insurance… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2006: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Agriculture, the Department of Natural Resources, and the… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2005: Appropriates money for the expenses, grants, refunds, and distributions of the Office of Administration, the Department of Transportation, the Department of… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2004: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Revenue and Department of Transportation Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2026	HB 2002: Appropriates money for the expenses, grants, refunds, and distributions of the State Board of Education and Department of Elementary and Secondary Education Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 12, 2026	HB 1867: Authorizes Joplin to increase a transient guest tax for tourism to no more than six percent upon a vote of the people Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 11, 2026	HB 1664: Modifies provisions relating to statutes of limitation Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 10, 2026	HB 2872: Creates, repeals, and modifies provisions relating to literacy of elementary school students House Amendment 2	Nay	Yea (split)	Yea (split)
March 9, 2026	HB 2934: Modifies provisions governing the Regional Convention and Visitors Commission and the Regional Convention and Sports Complex Authority in St. Louis City and… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 5, 2026	HB 2592: Restores voting rights to individuals on probation and parole Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
Feb. 18, 2026	HB 2989: Modifies provisions relating to gaming Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
Feb. 18, 2026	HB 2989: Modifies provisions relating to gaming Motion to Refer	Yea	Nay (split)	Nay (split)
Feb. 16, 2026	HB 2989: Modifies provisions relating to gaming Perfection	Nay	Yea (split)	Yea (split)
Sept. 9, 2025	HB 1: Creates provisions for redistricting federal congressional seats Third Reading and Final Passage	Yea	Nay (split)	Yea
Sept. 9, 2025	HJR 3: Creates the "Protect Missouri Voters" amendment Third Reading and Final Passage	Yea	Nay (split)	Yea
Sept. 8, 2025	HB 1: Creates provisions for redistricting federal congressional seats Perfection	Yea	Nay (split)	Yea
Sept. 8, 2025	HJR 3: Creates the "Protect Missouri Voters" amendment Perfection	Yea	Nay (split)	Yea
June 11, 2025	SB 3: Modifies provisions relating to taxation Final Passage	Nay	Yea (split)	Yea (split)
June 11, 2025	SB 3: Modifies provisions relating to taxation House Amendment 1	Yea	Nay (split)	Nay (split)
May 15, 2025	SB 3: Modifies or enacts provisions relating to Department of Revenue fee offices Final Passage	Nay	Yea (split)	Yea (split)
May 14, 2025	SB 49: Authorizes school districts and charter schools to employ or accept chaplains as volunteers Final Passage	Nay	Yea (split)	Yea (split)
May 13, 2025	SB 80: Creates and modifies provisions relating to sports Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 13, 2025	SB 80: Creates and modifies provisions relating to sports House Amendment 2	Nay	Yea (split)	Yea (split)
May 12, 2025	SB 105: Modifies provisions relating to invasive plants House Amendment 1	Nay	Yea (split)	Nay
May 12, 2025	HB 145: Modifies provisions of the sunshine law Final Passage	Nay	Yea (split)	Yea (split)
May 12, 2025	HB 145: Modifies provisions of the sunshine law Concurrence	Nay	Yea (split)	Yea (split)
May 9, 2025	SB 50: Modifies provisions relating to public institutions Emergency Clause	Nay	Yea (split)	Yea (split)
May 9, 2025	HB 12: Appropriates money for the expenses, grants, refunds, and distributions of statewide elected officials, the Judiciary, the Office of the State Public… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 9, 2025	HB 12: Appropriates money for the expenses, grants, refunds, and distributions of statewide elected officials, the Judiciary, the Office of the State Public… Concurrence	Nay	Yea (split)	Yea (split)
May 9, 2025	HB 11: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Social Services Concurrence	Nay	Yea (split)	Yea (split)
May 9, 2025	HB 10: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Mental Health, the Department of Health and Senior Services, and… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 9, 2025	HB 10: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Mental Health, the Department of Health and Senior Services, and… Concurrence	Nay	Yea (split)	Yea (split)
May 9, 2025	HB 3: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 9, 2025	HB 3: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development Concurrence	Nay	Yea (split)	Yea (split)
May 8, 2025	SB 189: Modifies provisions relating to public safety Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 1, 2025	SB 71: Creates and modifies provisions relating to public safety Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 29, 2025	SB 7: Modifies provisions relating to health care Third Reading and Final Passage	Yea	Nay (split)	Yea
April 29, 2025	SB 7: Modifies provisions relating to health care House Amendment 5	Nay	Excused	Yea (split)
April 24, 2025	HB 606: Modifies provisions relating to the department of higher education and workforce development Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 24, 2025	HB 837: Modifies provisions relating to state funds for regional planning commissions Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 24, 2025	SB 68: Creates, repeals, and modifies provisions relating to elementary and secondary education Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 22, 2025	HB 952: Establishes provisions relating to payments for tort liability to insurers Third Reading and Final Passage	Nay	Yea (split)	Nay
April 17, 2025	HJR 73: Proposes a constitutional amendment that establishes provisions relating to reproductive health care Third Reading and Final Passage	Yea	Nay (split)	Yea
April 15, 2025	HJR 73: Proposes a constitutional amendment that establishes provisions relating to reproductive health care Perfection	Yea	Nay (split)	Yea
April 14, 2025	HB 126: Modifies provisions relating to elections Third Reading and Final Passage	Yea	Yea	Nay (split)
April 9, 2025	HB 242: Modifies provisions relating to domestic relations Perfection	Yea	Excused	Nay (split)
April 9, 2025	HB 970: Establishes provisions relating to video lottery gaming terminals, licenses, and regulation Third Reading and Final Passage	Nay	Yea (split)	—
April 7, 2025	HB 970: Establishes provisions relating to video lottery gaming terminals, licenses, and regulation Perfection	Nay	Yea (split)	Nay
April 7, 2025	HB 507: Modifies provisions relating to elections Third Reading and Final Passage	Yea	Yea	Nay (split)
April 3, 2025	HB 12: Appropriates money for the expenses, grants, refunds, and distributions of statewide elected officials, the Judiciary, the Office of the State Public… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 3, 2025	HB 11: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Social Services Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 3, 2025	HB 3: Appropriates money for the expenses, grants, refunds, and distributions of the Department of Higher Education and Workforce Development Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 3, 2025	HB 2: Appropriates money for the expenses, grants, refunds, and distributions of the State Board of Education and Department of Elementary and Secondary Education Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2025	HB 661: Requires municipalities and the department of transportation to reimburse non-rate regulated utilities for site relocation costs incurred due to road… Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 2, 2025	HB 507: Modifies provisions relating to elections House Amendment 1	Nay	Yea (split)	Nay
March 27, 2025	HB 207: Modifies provisions relating to department of revenue fee offices Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
March 26, 2025	HB 176: Establishes provisions relating to electronic estate planning Amendment	Nay	Yea (split)	Yea (split)
March 6, 2025	HB 225: Allows the chief law enforcement executive in any jurisdiction to request assistance from another jurisdiction, including a jurisdiction outside the state of… Third Reading and Final Passage	Nay	Excused	Yea (split)
Feb. 20, 2025	HB 68: Modifies the statute of limitations for personal injury claims from five years to two years Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
Feb. 20, 2025	HB 544: Modifies labeling for certain pesticides Third Reading and Final Passage	Nay	Yea (split)	Yea (split)

Every roll call

How Mark Matthiesen voted on each of the 1,022 floor roll calls while in office, newest first.

Every roll call: Mark Matthiesen
Date	Vote	Their vote	Most of their party	Speaker	Yeas–nays
Loading…

Contested and party-line votes link to their own pages; the rest link to the official record.

Contact, committees and caucuses

Contact

Official page: house.mo.gov
Email: mark.matthiesen@house.mo.gov
Capitol office: Room 207-B, 201 W. Capitol Ave., Jefferson City, MO 65101
573-751-1470

Committees

Insurance Vice chair
Consent and Procedure
General Laws
Ways and Means

Contact details and committee assignments from Open States' data on the Missouri General Assembly, which it collects from the chambers' websites, as of Oct. 15, 2026.

Source: the Missouri House and Senate Journals, Jan. 8, 2025 to Sept. 16, 2026. How these numbers work · Corrections