SB 142 Wisconsin Senate · 2025-2026 Regular Session

Relating to: algorithmic software for residential housing, and providing a penalty.

SB 142 bans the use of algorithmic software by landlords to set rental rates or occupancy levels in residential housing. It prohibits selling, licensing, or providing such software (defined as tools using private competitor data on rent/occupancy to inform pricing decisions) to landlords, with exceptions for aggregated rental data publications and affordable housing tools. The law imposes penalties of up to $1,000 per violation per unit, allowing tenants to sue for actual damages or $1,000 per violation, and enables state enforcement through the attorney general. It directly affects landlords, property management companies, and software providers that develop or sell such tools.
Bill status failed 1 of 4 stages cleared
Introduction
Mar 2025
Committee Review
Floor Vote
Governor
Introduced Mar 21, 2025 Last action Mar 23, 2026
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Mar 21, 2025
Introduced
Introduced by Senators Roys, Dassler-Alfheim, Drake, Hesselbein, Keyeski, Larson, Pfaff, Ratcliff and Spreitzer; cosponsored 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
upper
9 primary · 0 co-sponsors

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