Skip to main content
The Full Record
Menu
Portrait of Jeff IrwinPhoto: senatedems.com

MI · Officeholder

Jeff Irwin

DState Senator · District 15

Votes by issue

Their recorded votes on bills that divided the chamber (unanimous votes left out), grouped by topic. A bill can sit under more than one topic. "With" and "against" compare each vote with how most Democrats voted. How topics are assigned

Where they stood out

Voted against most of their party on 8 of 272 party-divided votes on file.

Most often on: Jobs & cost of living (5), Transportation (2), Rights & public safety (1)

  • An act to define the powers and duties of the county boards of commissioners of the several counties, and to confer upon them certain local, administrative and legislative powers; and to prescribe…

    Voted no · most Democrats voted yes · Democrats 18–1, Republicans 8–9

    Jul 3, 2026Official record ↗

  • Brownfield redevelopment financing act: amend sections 2, 8a, 13c, 14a, and 16

    What it does: Removes the December 31, 2027 approval sunset for transformational brownfield projects, raises the cap on total tax capture from $1.6 billion to $3.5 billion, and adds affordable housing, milestone, profit-sharing and…

    Voted no · most Democrats voted yes · Democrats 17–2, Republicans 3–11

    Dec 9, 2025Official record ↗

  • Commercial rehabilitation act: amend sections 2, 6, 7, 14, and 16

    What it does: Extends the commercial rehabilitation tax exemption certificate sunset to December 31, 2035, lengthens the maximum certificate term from 10 to 12 years, and lets applicants submit amended applications to correct errors.

    Voted no · most Democrats voted yes · Democrats 17–2, Republicans 5–11

    Dec 9, 2025Official record ↗

  • Commercial redevelopment act: amend sections 9, 12a, 16, and 18

    What it does: Extends from December 31, 2025 to December 31, 2035 the date after which new commercial facilities exemption certificates may be issued, and lets applicants amend applications to correct errors.

    Voted no · most Democrats voted yes · Democrats 17–2, Republicans 5–11

    Dec 9, 2025Official record ↗

  • Legislative sergeant at arms police powers act: amend section 2

    What it does: On the version voted Oct 1, 2025: Allows commissioned legislative sergeants at arms to enforce chamber rules and state law elsewhere in Michigan when necessary to provide security for, or investigate threats or crimes…

    Voted no · most Democrats voted yes · Democrats 12–7, Republicans 8–9

    Nov 13, 2025Official record ↗

How this is counted

Their votes on the most contested roll calls

The votes in their chamber that came out closest and most divided by party, among those they voted on. How we rank

See all their split votes

Substantive votes concern legislation or nominations; procedural votes concern how the chamber considers them. A Yes vote applies to the motion shown, which may not be final passage.

HB 5356 · MI SENATE

Michigan vehicle code: amend sections 14, 41a, 78, 217, 217c, 233, 233a, 233b, 234, 235, 238, 239, 240, 248, 248a, 248f, 248j, 249, 250, 258, 801b, 806, and 810a

NoVOTED

Motion: Third reading and passage

Passed 31–3·Substantive·Oct 14, 2026Roll call ↗
SB 947 · MI SENATE

Natural resources and environmental protection act: amend sections 31502, 31503, 31504, 31505, 31506, 31507, 31508, 31509, 31510, 31511, 31513, 31515, 31516, 31517, 31518, 31520, 31521, and 31523

YesVOTED

Motion: Concur in substitute made by the House

On the version voted Jul 2, 2026: Revises the dam safety law: extends state oversight to federally licensed dams, changes spillway capacity criteria and increases inspection frequency for high- and significant-hazard dams, creates 10-year dam registrations, and allows emergency orders to remove dams in imminent danger of failure.

AI summary — read the bill text ↗
Passed 34–2·Substantive·Oct 1, 2026Roll call ↗
SB 791 · MI SENATE

Michigan memorial highway act: add section 124.

YesVOTED

Motion: Third reading and passage

Passed 33–3·Substantive·Oct 1, 2026Roll call ↗
HB 5514 · MI SENATE

Prohibit youth transportation companies from using certain restraints while transporting youths to certain youth residential treatment programs; to provide exceptions; to provide civil sanctions; and…

YesVOTED

Motion: Third reading and passage

Passed 35–1·Substantive·Oct 1, 2026Roll call ↗
HB 4703 · MI SENATE

The insurance code of 1956: add section 3406ss.

YesVOTED

Motion: Third reading and passage

Passed 32–4·Substantive·Oct 1, 2026Roll call ↗
HB 5485 · MI SENATE

Natural resources and environmental protection act: amend sections 31506, 31509, 31510, 31511, 31513, 31515, 31517, 31519, 31520, 31521, and 31523

YesVOTED

Motion: Third reading and passage

Passed 34–2·Substantive·Oct 1, 2026Roll call ↗
SB 885 · MI SENATE

Create a parent and child legal representation commission and an office of parent and child legal representation; to prescribe the commission’s and office’s powers and duties; and to provide for…

YesVOTED

Motion: Third reading and passage

Passed 27–8·Substantive·Sep 10, 2026Roll call ↗
SB 1141 · MI SENATE

Recodified tax increment financing act: amend sections 201, 301, 402, 523, 603, 703, and 803

YesVOTED

Motion: Third reading and passage

Excludes the property tax levied by county history museum authorities from tax increment revenues that tax increment financing authorities may capture.

AI summary — read the bill text ↗
Passed 20–15·Substantive·Sep 10, 2026Roll call ↗
SB 1140 · MI SENATE

Brownfield redevelopment financing act: amend section 2

YesVOTED

Motion: Third reading and passage

Excludes the property tax levied by county history museum authorities from tax increment revenues that brownfield redevelopment authorities may capture.

AI summary — read the bill text ↗
Passed 20–15·Substantive·Sep 10, 2026Roll call ↗
SB 1139 · MI SENATE

Provide for the establishment of history museum authorities; to provide for the powers and duties of a history museum authority; to authorize the levy and collection of a property tax by a history…

YesVOTED

Motion: Third reading and passage

Creates the History Museum Authorities Act, letting any county form an authority that, with voter approval, may levy up to 0.2 mill for up to 10 years to fund a history museum owned by a city of over 500,000 people.

AI summary — read the bill text ↗
Passed 20–15·Substantive·Sep 10, 2026Roll call ↗

Showing 10 of 434 votes in this collection. Coverage may be incomplete; each entry links to the official record.