Missouri House

Don Mayhew

Republican. House, district 124.

Emaildon.mayhew@house.mo.gov

contact

Official record 1https://house.mo.gov/MemberDetails.aspx?district=124

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Official record 2https://house.mo.gov/MemberDetails.aspx?year=2021&code=R&district=121

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Official record 3https://house.mo.gov/MemberDetails.aspx?year=2023&code=R&district=124

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Official record 4https://www.house.mo.gov/MemberDetails.aspx?district=121

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Bills they sponsored

61 bills sponsored this session

Modifies provisions relating to motor fuel tax exemptionHB 3539 · this session · introduced Feb 27, 2026

05/15/2026 - Referred: Emerging Issues(H)

Establishes the "Motor Fuel Tax Fund of 2021"HB 3538 · this session · introduced Feb 27, 2026

05/15/2026 - Referred: Emerging Issues(H)

Requires the Missouri state highway patrol to host a website where the public can determine whether a serial number of a firearm has been reported stolenHB 3531 · this session · introduced Feb 27, 2026

05/15/2026 - Referred: Emerging Issues(H)

Modifies commercial drivers' license requirements for foreign applicantsHB 3491 · this session · introduced Feb 26, 2026

03/12/2026 - HCS Reported Do Pass (H)

Establishes the "Megan Meier Act"HB 3393 · this session · introduced Feb 24, 2026

04/02/2026 - HCS Reported Do Pass (H)

Modifies provisions relating to court-ordered treatmentHB 3370 · this session · introduced Feb 19, 2026

05/15/2026 - Referred: Emerging Issues(H)

Provides immunity from civil liability for disclosures by a charitable organization of allegations of sexual misconductHB 3326 · this session · introduced Feb 17, 2026

05/15/2026 - Referred: Emerging Issues(H)

Authorizes an income tax subtraction for all military incomeHB 3294 · this session · introduced Feb 12, 2026

05/05/2026 - Public Hearing Completed (H)

Creates new requirements for the general assembly when regulating local governmentsHJR 178 · this session · introduced Jan 28, 2026

05/15/2026 - Referred: Emerging Issues(H)

Proposes a constitutional amendment modifying provisions relating to revenue derived from highway users that is deposited into the state road fundHJR 177 · this session · introduced Jan 22, 2026

05/15/2026 - Referred: Emerging Issues(H)

Adds an associate circuit judge to Miller County in the twenty-sixth judicial circuitHB 3086 · this session · introduced Jan 22, 2026

This Bill Replaced with a Substitute Bill - Check Primary Bill - HB 2968

Proposes a constitutional amendment changing the membership of the conservation commission, the conservation sales and use tax, and the department of conservation's property tax exemptionHJR 172 · this session · introduced Jan 21, 2026

05/15/2026 - Referred: Emerging Issues(H)

Designates the Ozark Mountain Daredevils as the official state band of MissouriHB 3064 · this session · introduced Jan 21, 2026

05/15/2026 - Referred: Emerging Issues(H)

Modifies provisions relating to outdoor advertisingHB 2907 · this session · introduced Jan 12, 2026

05/15/2026 - Referred: Emerging Issues(H)

Creates provisions for master agreements between the office of administration for architecture, engineering, or land-surveyingHB 2906 · this session · introduced Jan 12, 2026

03/11/2026 - Referred: Rules - Administrative(H)

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Creates and modifies provisions relating to federally managed lands within the borders of the stateHB 2905 · this session · introduced Jan 12, 2026

05/15/2026 - Referred: Emerging Issues(H)

Modifies and establishes provisions relating to animal abuseHB 2904 · this session · introduced Jan 12, 2026

04/02/2026 - HCS Reported Do Pass (H)

Modifies provisions relating to hospitalsHB 2903 · this session · introduced Jan 12, 2026

04/16/2026 - Public Hearing Completed (H)

Modifies provisions relating to automobile theftHB 2902 · this session · introduced Jan 12, 2026

05/07/2026 - Placed Back on Formal Perfection Calendar (H)

Authorizes a homestead tax exemption for certain veterans, and to offset lost property tax revenue, increases the cigarette tax and subjects alternative nicotine products, vapor products, tobacco paraphernalia, and hemp-HB 2535 · this session · introduced Dec 18, 2025

04/08/2026 - HCS Reported Do Pass (H)

Proposes a constitutional amendment that exempts buildings under construction from property taxationHJR 132 · this session · introduced Dec 5, 2025

01/15/2026 - Public Hearing Completed (H)

Proposes a constitutional amendment relating to taxationHJR 131 · this session · introduced Dec 5, 2025

05/15/2026 - Referred: Emerging Issues(H)

Establishes provisions relating to autonomous vehiclesHB 2208 · this session · introduced Dec 5, 2025

This Bill Replaced with a Substitute Bill - Check Primary Bill - HB 2069

Creates provisions for electrical choice and competitionHB 2207 · this session · introduced Dec 5, 2025

04/08/2026 - Motion to Do Pass Failed (H)

Modifies practices and standards in regards to certain commercial practicesHB 2206 · this session · introduced Dec 5, 2025

04/14/2026 - Reported Do Pass (H)

Modifies provisions relating to income tax on retirement income from private and public sourcesHB 2205 · this session · introduced Dec 5, 2025

03/31/2026 - Reported Do Pass (H)

Creates provisions requiring the reporting of expenditures with intent to influence public opinionHB 2204 · this session · introduced Dec 5, 2025

05/15/2026 - Referred: Emerging Issues(H)

Establishes requirements for physical copies of a municipal code a municipal clerk keeps on fileHB 2203 · this session · introduced Dec 5, 2025

05/15/2026 - Referred: Emerging Issues(H)

Modifies provisions governing permits for hunting and fishingHB 2202 · this session · introduced Dec 5, 2025

02/23/2026 - Public Hearing Completed (H)

Proposes a constitutional amendment modifying and establishing provisions relating to abortionHJR 97 · this session · introduced Feb 27, 2025

05/15/2025 - Referred: Emerging Issues(H)

Requires a court to offer and utilize a treatment court program to address a substance use disorder prior to a defendant entering a plea in courtHB 1467 · this session · introduced Feb 26, 2025

05/15/2025 - Referred: Emerging Issues(H)

Creates and modifies provisions relating to federally managed lands within the borders of the stateHB 1442 · this session · introduced Feb 25, 2025

05/15/2025 - Referred: Rules - Legislative(H)

Establishes the "Auto Theft Prevention Program" within the Department of Public SafetyHB 1420 · this session · introduced Feb 24, 2025

05/15/2025 - Action Postponed (H)

Modifies provisions relating to boating safety identification cardsHB 1419 · this session · introduced Feb 24, 2025

05/15/2025 - Referred: Emerging Issues(H)

Modifies provisions relating to transportation fundingHB 1409 · this session · introduced Feb 20, 2025

04/01/2025 - Action Postponed (H)

Adds an associate circuit judge to Miller County in the 26th judicial circuitHB 1391 · this session · introduced Feb 19, 2025

05/15/2025 - Referred: Emerging Issues(H)

Modifies provisions relating to the Alzheimer's state plan task forceHB 1310 · this session · introduced Feb 13, 2025

05/15/2025 - Referred: Emerging Issues(H)

Modifies provisions governing permits for hunting and fishingHB 1241 · this session · introduced Feb 10, 2025

05/15/2025 - Referred: Emerging Issues(H)

Establishes provisions relating to autonomous vehiclesHB 1166 · this session · introduced Feb 3, 2025

05/15/2025 - Referred: Emerging Issues(H)

Modifies provisions relating to visitation rights of grandparentsHB 1165 · this session · introduced Feb 3, 2025

04/17/2025 - Reported Do Pass (H)

Changes the law regarding certain political subdivisionsHB 1105 · this session · introduced Jan 29, 2025

02/06/2025 - Referred: General Laws(H)

Modifies provisions relating to hospitalsHB 1104 · this session · introduced Jan 29, 2025

04/15/2025 - Referred: Rules - Administrative(H)

Establishes the division of maternal and child resources within the department of social services and the "Save MO Babies Act" to help assist persons in the adoption of childrenHB 1103 · this session · introduced Jan 29, 2025

05/15/2025 - Referred: Emerging Issues(H)

Modifies provisions governing the recording of land surveysHB 1078 · this session · introduced Jan 28, 2025

05/15/2025 - Referred: Emerging Issues(H)

Establishes "Brown's Law", which creates the offense of making a malicious false report of animal abuse, and modifies the offense of animal abuseHB 910 · this session · introduced Jan 15, 2025

04/29/2025 - Reported Do Pass (H)

Establishes requirements for physical copies of a municipal code a municipal clerk keeps on fileHB 802 · this session · introduced Jan 8, 2025

04/17/2025 - Reported Do Pass (H)

Modifies practices and standards in regards to certain commercial practicesHB 757 · this session · introduced Jan 8, 2025

04/29/2025 - Second read and referred: Emerging Issues and Professional Registration(S)

Proposes a constitutional amendment changing the membership of the conservation commission, the conservation sales and use tax, and the Department of Conservation's property tax exemptionHJR 43 · this session · introduced Jan 7, 2025

02/18/2025 - Public Hearing Completed (H)

Provides immunity from civil liability for disclosures by a charitable organization of allegations of sexual misconductHB 753 · this session · introduced Jan 7, 2025

02/06/2025 - Referred: General Laws(H)

Requires all state departments to report the cost of immigration to the department of economic developmentHB 750 · this session · introduced Jan 7, 2025

05/15/2025 - Referred: Emerging Issues(H)

Modifies provisions governing annual budgets of political subdivisionsHB 749 · this session · introduced Jan 7, 2025

04/17/2025 - Reported Do Pass (H)

Modifies provisions relating to the establishment of lakefront entertainment districtsHB 643 · this session · introduced Dec 19, 2024

04/14/2025 - SCS Voted Do Pass (S)

Modifies provisions relating to environmental protection.HB 627 · this session · introduced Dec 18, 2024

04/28/2025 - Reported Do Pass (H)

Proposes a constitutional amendment relating to taxationHJR 22 · this session · introduced Dec 6, 2024

05/15/2025 - Referred: Emerging Issues(H)

Proposes a constitutional amendment modifying provisions relating to revenue derived from highway users that is deposited into the state road fundHJR 21 · this session · introduced Dec 6, 2024

05/15/2025 - Referred: Emerging Issues(H)

Proposes a constitutional amendment that creates a prohibition on executive branch employees and statewide elected officials registering as lobbyistsHJR 20 · this session · introduced Dec 6, 2024

05/15/2025 - Referred: Emerging Issues(H)

Authorizes an income tax exemption for certain state employees whose state wages or salary are at or below six times the federal poverty guidelinesHB 421 · this session · introduced Dec 6, 2024

05/15/2025 - Referred: Emerging Issues(H)

Modifies provisions allowing the establishment of a theater, cultural arts, and entertainment districtHB 420 · this session · introduced Dec 6, 2024

12/11/2024 - Withdrawn (H)

Relating to educationHB 419 · this session · introduced Dec 6, 2024

07/09/2025 - Delivered to Secretary of State (G)

Modifies provisions relating to catalytic convertersHB 418 · this session · introduced Dec 6, 2024

12/11/2024 - Withdrawn (H)

Creates provisions for electrical choice and competitionHB 417 · this session · introduced Dec 6, 2024

04/08/2025 - Referred: Rules - Administrative(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.