Missouri House
Mark Matthiesen
Republican. House, district 107.
Emailmark.matthiesen@house.mo.gov
contactOfficial record 1https://house.mo.gov/MemberDetails.aspx?district=107
officialOfficial record 2https://house.mo.gov/MemberDetails.aspx?year=2023&code=R&district=107
officialBills they sponsored
28 bills sponsored this session
Prohibits personal property tax levies passed prior to January 1, 1975, from applying to motor vehiclesHB 3342 · this session · introduced Feb 18, 2026
03/05/2026 - Public Hearing Completed (H)Modifies provisions relating to employment benefits for first respondersHB 3332 · this session · introduced Feb 18, 2026
04/01/2026 - Referred: Rules - Administrative(H)Modifies provisions governing mental health efforts in public schoolsHB 3305 · this session · introduced Feb 16, 2026
05/15/2026 - Referred: Emerging Issues(H)Establishes provisions relating to nuisance actions against racing facilities and race tracksHB 3177 · this session · introduced Feb 3, 2026
05/15/2026 - Referred: Emerging Issues(H)Modifies the provisions of the "Show-Me Sports Investment Act"HB 2883 · this session · introduced Jan 8, 2026
05/15/2026 - Referred: Emerging Issues(H)Reduces the assessment percentage of certain personal property and provides a personal property tax exemption for certain personal property upon adoption of a constitutional amendment authorizing such exemptionHB 2859 · this session · introduced Jan 7, 2026
04/29/2026 - Placed Back on Formal Perfection Calendar (H)Exempts portable solar generation devices from public service commission regulationsHB 2528 · this session · introduced Dec 18, 2025
05/15/2026 - Referred: Emerging Issues(H)Prohibits labor organizations from collecting payment for union dues from a new employee until such employee has worked at least two hundred fifty hoursHB 2507 · this session · introduced Dec 18, 2025
05/15/2026 - Referred: Emerging Issues(H)Requires the office of childhood to design and develop placards that include a QR code containing a link to a child care facility's complaint investigations and inspection reportsHB 2506 · this session · introduced Dec 18, 2025
04/23/2026 - Reported Do Pass (H)Requires the Air Conservation Commission to suspend by January 1, 2028, any motor vehicle emissions inspection program established under the Air Quality Attainment ActHB 1803 · this session · introduced Dec 1, 2025
02/12/2026 - Referred: Government Efficiency(H)Allows election challengers to be present any time ballots are being castHB 1802 · this session · introduced Dec 1, 2025
05/07/2026 - Placed Back on Formal Perfection Calendar (H)Changes the definition of "qualified student" for the Missouri Empowerment Scholarship Accounts ProgramHB 1801 · this session · introduced Dec 1, 2025
05/15/2026 - Referred: Emerging Issues(H)Changes the percentage of the cap on the inflationary growth factor for the assessment growth of real or personal property occurring within a political subdivision, defines assessment value, and adds provisions related tHB 1800 · this session · introduced Dec 1, 2025
03/23/2026 - Second read and referred: Select Committee on Property Taxes and the State Tax Commission(S)Authorizes taxpayers to submit petitions to reduce local tax rate leviesHB 1799 · this session · introduced Dec 1, 2025
05/15/2026 - Referred: Emerging Issues(H)Creates provisions relating to minimum nurse staffing requirementsHB 1370 · this session · introduced Feb 19, 2025
05/15/2025 - Referred: Emerging Issues(H)Show all 28
Modifies provisions governing ambulance or fire protection district property taxes replaced by sales taxesHB 1286 · this session · introduced Feb 12, 2025
05/15/2025 - Referred: Emerging Issues(H)Reduces the assessment percentage of certain personal property and provides a personal property tax exemption for certain personal property upon adoption of a constitutional amendment authorizing such exemptionHB 988 · this session · introduced Jan 22, 2025
04/17/2025 - Reported Do Pass (H)Requires the Air Conservation Commission to suspend by January 1, 2027, any motor vehicle emissions inspection program established under the Air Quality Attainment ActHB 960 · this session · introduced Jan 21, 2025
05/15/2025 - Referred: Emerging Issues(H)Establishes a grant program for hospitals to improve their securityHB 819 · this session · introduced Jan 9, 2025
05/15/2025 - Referred: Emerging Issues(H)Establishes parental leave for school employeesHB 639 · this session · introduced Dec 19, 2024
05/15/2025 - Referred: Emerging Issues(H)Modifies provisions relating to election oversightHB 638 · this session · introduced Dec 19, 2024
04/08/2025 - Reported Do Pass (H)Requires the office of childhood to design, develop, and distribute placards that include a QR code containing a link to a child care facility's inspection reportsHB 637 · this session · introduced Dec 19, 2024
03/25/2025 - Public Hearing Completed (H)Designates the "Sergeant Colin I Arslanbas Memorial Highway" in St. Charles CountyHB 636 · this session · introduced Dec 19, 2024
04/01/2025 - Reported Do Pass (H)Changes the definition of "qualified student" for the Missouri empowerment scholarship accounts programHB 519 · this session · introduced Dec 11, 2024
02/19/2025 - Referred: Elementary and Secondary Education(H)Modifies the "circuit breaker" tax credit by increasing the maximum upper limit and property tax credit amountsHB 518 · this session · introduced Dec 11, 2024
05/15/2025 - Referred: Emerging Issues(H)Changes the percentage of the cap on the inflationary growth factor for the assessment growth of real or personal property occurring within a political subdivisionHB 517 · this session · introduced Dec 11, 2024
03/27/2025 - Referred: Rules - Administrative(H)Modifies criteria of hazardous waste investigations and increases the hazardous waste fund appropriationsHB 516 · this session · introduced Dec 11, 2024
07/10/2025 - Delivered to Secretary of State (G)Authorizes taxpayers to submit petitions to reduce local tax rate leviesHB 515 · this session · introduced Dec 11, 2024
01/30/2025 - Referred: Ways and Means(H)How they voted
Show recorded votes
Roster from Open States (the open civic-data project), archived on our side. Bill records from the Missouri legislature’s own site.