Assembly Bill 142
Algorithmic software for residential housing, and providing a penalty
Topics: Agriculture, Trade and Consumer Protection, Department of, Court: Procedure, Data processing, Landlord and tenant
Stopped in committee
It never got a , so it never came up for a vote. The last day for votes this session was Mar 19, 2026. To try again, a lawmaker would have to start a new bill.
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Introduced, passed
Mar 17, 2025
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Committee, stopped here
Stopped here. No public hearing was held.
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Assembly vote, not reached
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Senate vote, not reached
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Governor, not reached
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Law, not reached
Latest entry in the official record, Mar 23, 2026: “Failed to pass pursuant to ”
It never got a hearing in the Assembly Committee on Housing and Real Estate. The committee's chair at the time was Rob Brooks. Chairs decide which bills get a hearing. See every bill that never got a hearing this session.
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The same bill was also filed in the Senate as SB 142. That version died when the session ended.
Terms on this page
Committee
A small group of lawmakers that looks at a bill first. Most bills never leave committee.
Public hearing
A meeting where anyone can speak to a committee about a bill, or send written comments.
Senate Joint Resolution 1
The session's calendar. Any bill not passed by its last voting day dies.
Official term: Failed to pass pursuant to SJR 1. More in the glossary
Legislative Reference Bureau
The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.
Official term: LRB analysis. More in the glossary
Author
A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.
Official term: Author, coauthor. More in the glossary
Signed on in support
Lawmakers who back a bill without being one of its authors, often from the other chamber.
Official term: Cosponsor. More in the glossary
What it would have done
Summary by the , the Legislature's nonpartisan drafting office. It's their wording, not ours.
This bill prohibits the use of algorithmic software in setting rental rates or occupancy levels for residential dwelling units and prohibits persons from selling, licensing, or providing algorithmic software to a residential landlord. “Algorithmic software” is defined in the bill to mean software that uses an algorithm to perform calculations on nonpublic competitor data regarding rent or occupancy levels in this state for the purpose of informing a landlord’s decision regarding residential housing occupancy rates, whether to leave a residential unit vacant, or the amount of rent that a landlord may obtain for a residential unit. The Department of Agriculture, Trade and Consumer Protection, the attorney general, or a district attorney may investigate violations of this bill, and the attorney general or a district attorney may commence an action seeking an injunction or to recover a civil forfeiture of up to $1,000 per violation. In addition, a tenant may file a civil action seeking actual damages incurred as a result of a violation of the bill or $1,000 per violation, whichever is greater, or for injunctive relief, or for a combination of injunctive relief and damages.
Under the bill, if a landlord includes a provision in a lease that 1) waives the landlord’s obligation to comply with the prohibition on the use of algorithmic software or 2) discourages or impedes a tenant from filing an action seeking injunctive relief or damages stemming from the landlord’s violation of the bill’s prohibitions, then the rental agreement is void and unenforceable.
Who's behind it
21 representatives are its . All 21 are Democrats.
10 more lawmakers .
See all 31 names Hide the names
Authors (21)
- Clint Anderson · Democrat, Assembly
- Deb Andraca · Democrat, Assembly
- Margaret Arney · Democrat, Assembly
- Mike Bare · Democrat, Assembly
- Brienne Brown · Democrat, Assembly
- Ryan Clancy · Democrat, Assembly
- Ben DeSmidt · Democrat, Assembly
- Joan Fitzgerald · Democrat, Assembly
- Francesca Hong · Democrat, Assembly
- Jenna Jacobson · Democrat, Assembly
- Karen Kirsch · Democrat, Assembly
- Darrin Madison · Democrat, Assembly
- Maureen McCarville · Democrat, Assembly
- Lori Palmeri · Democrat, Assembly
- Christian Phelps · Democrat, Assembly
- Ann Roe · Democrat, Assembly
- Christine Sinicki · Democrat, Assembly
- Angela Stroud · Democrat, Assembly
- Lisa Subeck · Democrat, Assembly
- Sequanna Taylor · Democrat, Assembly
- Angelito Tenorio · Democrat, Assembly
Signed on in support (10)
- Kristin Dassler-Alfheim · Democrat, Senate
- Dora Drake · Democrat, Senate
- Dianne Hesselbein · Democrat, Senate
- Sarah Keyeski · Democrat, Senate
- Chris Larson · Democrat, Senate
- Vinnie Miresse · Democrat, Assembly
- Brad Pfaff · Democrat, Senate
- Melissa Ratcliff · Democrat, Senate
- Kelda Roys · Democrat, Senate
- Mark Spreitzer · Democrat, Senate
What happened
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Mar 23, 2026
The session ended, and the bill died with it.
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Apr 15, 2025
1 more representative signed on in support.
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Mar 17, 2025
Sent to the Assembly Committee on Housing and Real Estate.
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Mar 17, 2025
Introduced in the Assembly.
See the official record, word for word Hide the official record
- Mar 17, 2025 · Assembly
Introduced by Representatives Brown, Anderson, Andraca, Arney, Bare, Clancy, DeSmidt, Fitzgerald, Hong, J. Jacobson, Kirsch, Madison, McCarville, Palmeri, Phelps, Roe, Sinicki, Stroud, Subeck, Taylor and Tenorio; cosponsored by Senators Roys, Dassler-Alfheim, Drake, Hesselbein, Keyeski, Larson, Pfaff, Ratcliff and Spreitzer
- Mar 17, 2025 · Assembly
Read first time and referred to Committee on Housing and Real Estate
- Apr 15, 2025 · Assembly
Representative Miresse added as a coauthor
- Mar 23, 2026 · Assembly
Failed to pass pursuant to Senate Joint Resolution 1
Terms on this page
Committee
A small group of lawmakers that looks at a bill first. Most bills never leave committee.
Public hearing
A meeting where anyone can speak to a committee about a bill, or send written comments.
Senate Joint Resolution 1
The session's calendar. Any bill not passed by its last voting day dies.
Official term: Failed to pass pursuant to SJR 1. More in the glossary
Legislative Reference Bureau
The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.
Official term: LRB analysis. More in the glossary
Author
A lawmaker who formally puts a bill forward. The text itself is drafted by the Legislative Reference Bureau.
Official term: Author, coauthor. More in the glossary
Signed on in support
Lawmakers who back a bill without being one of its authors, often from the other chamber.
Official term: Cosponsor. More in the glossary
From the Wisconsin Legislature's official record, checked Sep 15, 2026. See the source
Committee
A small group of lawmakers that looks at a bill first. Most bills never leave committee.
Public hearing
A meeting where anyone can speak to a committee about a bill, or send written comments.
Senate Joint Resolution 1
The session's calendar. Any bill not passed by its last voting day dies.
Official term: Failed to pass pursuant to SJR 1
Legislative Reference Bureau
The Legislature's nonpartisan office that drafts bills and writes the summary at the top of each one.
Official term: LRB analysis
Signed on in support
Lawmakers who back a bill without being one of its authors, often from the other chamber.
Official term: Cosponsor