Brian Seitz, Missouri House District 156: Voting Record

Where they sit

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

← Most liberalThe aisleMost conservative →

Votes with DemocratsCrosses party linesVotes with Republicans

Brian Seitz'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 House83rdpercentile

More conservative than 83% of the Missouri House.

Most liberalMost conservative

27th most conservative of 155

On the November 3 ballot

Running for Missouri House District 156.

Also on the ballot: Trent Davis (Democratic)

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

The scores

How these numbers work →

Votes with the Speaker

87%

Each tick is a current House member, by party; the dot is Brian Seitz.

On 482 contested votes where both voted93% on all 952 votes where both voted

Votes with own party

98%

Each tick is a current House member, by party; the dot is Brian Seitz.

On 354 party-line votesPartisan rank: 19 of 155 in the House (tied with 35 others)18 House members vote with their party more often

Bills

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

How these numbers work →

Bills: Brian Seitz
	Bills
Sponsored	46
Passed both chambers	0
Became law	0
Vetoed by the Governor	0

Rank by bills passed: Rank 37 of 155 in the House (tied with 118 others) · 37 of 105 Republicans (tied with 68 others)

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

Bills that passed both chambers

None of the bills Brian Seitz sponsored passed both chambers.

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

61 against the Speaker; 51 against most of their party.

Contested votes where they split: Brian Seitz
Date	Bill and motion	Their vote	Speaker	Most of their party
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	SB 1019: Modifies several provisions relating to health care Motion to Reconsider	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 1572: Modifies provisions relating to public employee retirement systems House Amendment 2	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 2596: Modifies provisions relating to health benefit plans Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
May 13, 2026	HB 2596: Modifies provisions relating to health benefit plans Concurrence	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 2018: Appropriates money for the expenses, grants, refunds, and distributions of the several departments and offices of state government Final Passage	Yea	Nay (split)	Yea
May 5, 2026	SB 1421: Modifies provisions relating to public safety House Amendment 21	Yea	Nay (split)	Yea
April 28, 2026	HB 1758: Establishes the "Daylight Saving as New Standard Time Pact" Third Reading and Final Passage	Yea	Nay (split)	Yea
April 22, 2026	SB 914: Modifies provisions relating to sewage regulation Final Passage	Nay	Excused	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	Yea	Yea	Nay (split)
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 9, 2026	HB 3080: Modifies the historic preservation tax credit Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 9, 2026	HB 2885: Requires all proceeds from boating registrations to be deposited in the water patrol division fund and used exclusively for the water patrol division Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
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 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 1768: Modifies provisions relating to the classification of certain residential real property used for short-term rentals 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 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 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 5, 2026	HB 2592: Restores voting rights to individuals on probation and parole Third Reading and Final Passage	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 House Amendment 1	Yea	Nay (split)	Nay (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	Yea	Yea	Nay (split)
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 8, 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… Emergency Clause	Nay	Yea (split)	Yea (split)
May 8, 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… Final Passage	Nay	Yea (split)	Yea (split)
May 8, 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… Concurrence	Nay	Yea (split)	Yea (split)
May 8, 2025	Motion: Representative Riley again moved that Rule 98 be suspended Motion to Suspend a Rule	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	Nay	Nay	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 23, 2025	SB 1: Modifies provisions relating to county officials Final Passage	Nay	Yea (split)	Yea (split)
April 22, 2025	HB 200: Modifies provisions relating to environmental protection 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	Nay	Yea (split)	Nay
April 10, 2025	HB 572: Authorizes motor fuel tax rate changes based on certain department of transportation expenditures Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 10, 2025	HB 1524: Enacts provisions authorizing an entertainment district Third Reading and Final Passage	Nay	Yea (split)	Yea (split)
April 10, 2025	HB 992: Modifies provisions relating to criminal history background checks Third Reading and Final Passage	Nay	Yea (split)	Yea (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 970: Establishes provisions relating to video lottery gaming terminals, licenses, and regulation House Amendment 4	Yea	Nay (split)	Nay (split)
April 7, 2025	HB 507: Modifies provisions relating to elections Third Reading and Final Passage	Nay	Yea (split)	Nay
April 2, 2025	HB 378: Modifies provisions relating to temporary license plates 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 31, 2025	HB 572: Authorizes motor fuel tax rate changes based on certain department of transportation expenditures House Amendment 2	Nay	Excused	Yea (split)
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 26, 2025	HB 1116: Allows real property owners building a fence to enter an adjoining property up to ten feet without liability for trespassing Third Reading and Final Passage	Nay	Excused	Yea (split)
March 13, 2025	SB 4: Modifies and creates new provisions relating to utilities 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 Brian Seitz voted on each of the 1,022 floor roll calls while in office, newest first.

Every roll call: Brian Seitz
Date	Vote	Their vote	Most of their party	Speaker	Yeas–nays
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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: brian.seitz@house.mo.gov
Capitol office: Room 118-CA, 201 W. Capitol Ave., Jefferson City, MO 65101
573-751-1309

Committees

Tourism Special Chair
Commerce
Crime and Public Safety
Veterans and Armed Forces

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.