AI Frontier Institute

BAN PRICE COORDINATION-RENT

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Illinois SB3678, introduced February 5, 2026 by Sen. Mike Simmons, amends the Landlord and Tenant Act by adding Section 35 (765 ILCS 705/35) to prohibit the use of rent-setting algorithms and related anti-competitive practices in the residential rental market. The bill bans four categories of conduct: (1) entering into agreements with others to not compete on rental pricing, fees, or any other rental term; (2) engaging in 'price coordination,' defined as collecting nonpublic competitor data from two or more landlords and using it to recommend rental prices or terms through algorithmic or computational systems; (3) facilitating such no-compete agreements between two or more persons; and (4) using, subscribing to, or paying for any service that involves price coordination or encourages rental-term no-compete agreements. Exemptions include affordable housing program compliance, aggregated market data reports that do not make pricing recommendations, and information used for appraisals or software research and development. Enforcement allows aggrieved individuals to bring civil actions seeking injunctive relief, monetary damages, attorney's fees, and costs. Violations are also classified as unlawful practices under the Consumer Fraud and Deceptive Business Practices Act (815 ILCS 505/2MMMM), giving the Attorney General full enforcement authority under that Act.

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