Photo of Peter Herzberg
D Michigan House · District 25 On the 2026 ballot

Rep. Peter Herzberg

Compare
Total votes
1,118
all sessions
Attendance
92%
95 missed
Lower than 94% of chamber peers
With party
91%
of cast votes
Lower than 96% of chamber peers
Bipartisan score
5%
crosses aisle rarely
Higher than 94% of chamber peers
Sponsored
237
bills & resolutions
Near the chamber average
Committees
5
assignments
237 bills and resolutions

Sponsored bills

Total
237
Primary
4
Co-sponsor
233
This page
237
matching current filters
Co-sponsor HB 4601
In committee · Michigan House · Co-sponsor
State: symbol; Karner blue butterfly; designate as the official state butterfly. Creates new act.

Maddy summaryHB 4601 designates the Karner blue butterfly (*Plebejus melissa samuelis*) as Michigan's official state butterfly. The bill directly affects the state by formally recognizing this specific butterfly species through legislative action. It creates a new statutory provision requiring the Karner blue butterfly to be recognized as the state's official butterfly, effective 90 days after enactment. This is a symbolic, non-regulatory designation with no fiscal impact or policy changes beyond the official recognition.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4633
In committee · Michigan House · Co-sponsor
Probate: guardians and conservators; duties of guardians, conservators, and guardians ad litem; modify. Amends secs. 5305, 5314, 5406, 5417 & 5418 of 1998 PA 386 (MCL 700.5305 et seq.) & adds sec. 5314a. TIE BAR WITH: HB 4632'25, HB 4634'25, HB 4635'25

Maddy summaryHB 4633 amends Michigan's probate code to strengthen rights and information for individuals alleged to be incapacitated during guardianship proceedings. It requires court-appointed guardians ad litem to explain key rights, including the right to contest the petition, request limits on a guardian's powers (especially regarding do-not-resuscitate orders or physician treatment orders), and the right to legal counsel. The bill mandates that if an individual requests legal representation or the guardian ad litem determines it's necessary, the court must appoint counsel at state expense if the individual is indigent. This directly affects people facing guardianship hearings, ensuring they receive clear information about their medical directives and legal options before a guardian is appointed.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4639
In committee · Michigan House · Co-sponsor
Civil procedure: statute of limitations; accrual of cause of action for groundwater contamination cases; revise. Amends 1961 PA 236 (MCL 600.101 & 600.9947) by adding sec. 5830.

Maddy summaryHB 4639 modifies Michigan's statute of limitations for groundwater contamination cases involving hazardous substances. It specifies that legal claims for damages accrue when a plaintiff discovers the contamination or should have discovered it, rather than when the contamination initially occurred. This change directly affects individuals or communities suing over groundwater pollution from sources like industrial leaks or spills. The provision aims to give plaintiffs more time to pursue claims once they become aware of the harm, aligning the timeline with actual discovery of the issue.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4635
In committee · Michigan House · Co-sponsor
Probate: guardians and conservators; appointment of a temporary guardian; modify procedure, and modify procedure for removing a conservator. Amends secs. 5414, 5415 & 5423 of 1998 PA 386 (MCL 700.5414 et seq.) & adds sec. 5312a. TIE BAR WITH: HB 4632'25, HB 4633'25, HB 4634'25

Maddy summaryHB 4635 creates a new process for appointing temporary guardians for individuals who cannot make decisions for themselves (incapacitated persons), requiring immediate action to protect their welfare. Courts may appoint a temporary guardian for up to six months if specific conditions are met, such as following court rules for emergency orders or complying with existing petition requirements. During this period, the temporary guardian assumes care and custody, suspending the authority of any permanent guardian, and must report to the court. A permanent guardianship appointment must be scheduled within 28 days of the temporary appointment, streamlining the transition while ensuring timely oversight. This bill directly affects vulnerable individuals and their families navigating urgent guardianship needs.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4641
In committee · Michigan House · Co-sponsor
Recreation: local parks; prohibition against dark sky preserve in the Upper Peninsula; remove. Amends sec. 75102 of 1994 PA 451 (MCL 324.75102).

Maddy summaryHB 4641 would remove a prohibition preventing dark sky preserves in Michigan's Upper Peninsula. The bill amends Section 75102 of the Natural Resources and Environmental Protection Act to eliminate subsection (2), which currently bans such preserves in that region. This change would allow local governments and park authorities in the Upper Peninsula to establish dark sky preserves on public lands, aligning with existing designations elsewhere in Michigan. The bill does not create new preserves but removes a barrier to future designations in the Upper Peninsula.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4638
In committee · Michigan House · Co-sponsor
Administrative procedure: rules; definition of a rule; exclude cleanup criteria and target detection limits. Amends sec. 7 of 1969 PA 306 (MCL 24.207). TIE BAR WITH: HB 4640'25, HB 4636'25

Maddy summaryHB 4638 amends Michigan's Administrative Procedures Act to exclude environmental cleanup criteria and target detection limits from the definition of "rules" requiring formal rulemaking. This specifically affects the Department of Environment, Great Lakes, and Energy (EGLE), as their cleanup standards under the Natural Resources and Environmental Protection Act will no longer need to follow standard rulemaking procedures. The bill adds these environmental standards to an existing list of exclusions in Section 7 of the Administrative Procedures Act. This change streamlines regulatory processes for EGLE's environmental cleanup work without altering the standards themselves.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4636
In committee · Michigan House · Co-sponsor
Environmental protection: cleanups; cleanup to residential and safe drinking water standards; require unless technically infeasible. Amends secs. 20118, 20120a, 20120b, 20120e & 20121 of 1994 PA 451 (MCL 324.20118 et seq.). TIE BAR WITH: HB 4638'25, HB 4640'25

Maddy summaryHB 4636 amends Michigan’s environmental cleanup law to require that contaminated site cleanups meet residential land use standards and restore groundwater to safe drinking water standards, where technically feasible. It directly affects property owners, developers, and environmental agencies responsible for cleaning up polluted sites by establishing clear cleanup categories (like residential or nonresidential) and allowing site-specific alternatives only when meeting standard criteria is proven technically infeasible. The bill specifies that cleanups must protect public health, stop contamination spread, and comply with state/federal standards, with exceptions permitted only if documented technical infeasibility exists or if the environmental benefit of stricter cleanup would be outweighed by negative impacts. This update clarifies existing rules under Michigan’s Natural Resources and Environmental Protection Act (MCL 324.20118 et seq.) without creating new programs.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4637
In committee · Michigan House · Co-sponsor
Civil procedure: civil actions; action for medical monitoring for individuals exposed to a proven toxic substance; provide for. Amends secs. 20126 & 20140 of 1994 PA 451 (MCL 324.20126 & 324.20140) & adds sec. 20136.

Maddy summaryHB 4637 would allow individuals exposed to a proven toxic substance to pursue legal claims for medical monitoring costs. It amends Michigan's Natural Resources and Environmental Protection Act (1994 PA 451) by adding Section 20136 to enable these lawsuits, while also modifying existing liability provisions in Sections 20126 and 20140. The bill directly affects people exposed to toxic substances who seek ongoing medical monitoring, though the provided text does not detail specific eligibility criteria or procedural requirements for the new claim. The context lacks the full text of the added Section 20136, so key mechanisms like cost coverage or qualifying substances cannot be described. This is a substantive policy change, not a procedural resolution.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4640
In committee · Michigan House · Co-sponsor
Environmental protection: cleanups; cleanup standards; require. Amends secs. 20101, 20107a, 20112a, 20114, 20114b, 20114c, 20114d, 20114e, 20119, 20126, 20126a, 20137 & 20139 of 1994 PA 451 (MCL 324.20101 et seq.); adds secs. 20113a & 20139a & repeals secs. 20114a & 20114g of 1994 PA 451 (MCL 324.20114a & 324.20114g). TIE BAR WITH: HB 4638'25, HB 4636'25

Maddy summaryHB 4640 updates Michigan's environmental cleanup rules by clarifying how background levels of contaminants in soil are determined. It requires property buyers to conduct an "all appropriate inquiry" before purchase to establish baseline contamination levels, preventing unnecessary cleanup costs for naturally occurring pollutants. The bill amends cleanup standards to use scientific data from the Michigan Background Soil Survey, directly affecting property developers, real estate transactions, and environmental agencies managing contaminated sites. This change ensures cleanup efforts focus only on pollution caused by human activity, not natural soil conditions.

In committee Jun 11, 2025 1 co-sponsor
Co-sponsor HB 4634
In committee · Michigan House · Co-sponsor
Probate: guardians and conservators; appointment; modify procedure. Amends secs. 5303, 5304, 5306, 5306a, 5312 & 5416 of 1998 PA 386 (MCL 700.5303 et seq.). TIE BAR WITH: HB 4632'25, HB 4633'25, HB 4635'25

Maddy summaryHB 4634 amends Michigan's probate code to update the process for appointing guardians and conservators for individuals who may lack decision-making capacity. It requires petitioners to include specific examples of an individual's condition and mandates courts to provide written information about alternatives like limited guardianship or durable power of attorney before filing. The bill also requires detailed medical evaluations by court-appointed professionals, including medication details and prognosis, and strengthens the individual's rights to be present at hearings, have legal counsel, and present evidence.

In committee Jun 11, 2025 1 co-sponsor
Showing 181 to 190 of 237 bills
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