2025 Senate Bill 515

Housing: other; requirement for certain rental units to be equipped with a carbon monoxide device; provide for.

A bill to amend 1972 PA 348, entitled “An act to regulate relationships between landlords and tenants relative to rental agreements for rental units; to regulate the payment, repayment, use and investment of security deposits; to provide for commencement and termination inventories of rental units; to provide for termination arrangements relative to rental units; to provide for legal remedies; and to provide penalties,” (MCL 554.601 to 554.616) by adding section 1e.

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Senate Bill No. 515 requires landlords to install certified carbon monoxide detectors in certain rental units, with noncompliance resulting in civil fines, to improve tenant safety.

Introduced in the Senate

Sept. 3, 2025

Introduced by Sens. Stephanie Chang (D-3) and Jeff Irwin (D-15)

Referred to the Committee on Housing and Human Services

Oct. 21, 2025

Reported with substitute S-1

Oct. 22, 2025

Referred to the Committee of the Whole

Reported with substitute S-1

Substitute S-1 concurred in by voice vote

Oct. 23, 2025

Substitute S-4 offered by Sen. Stephanie Chang (D-3)

The substitute passed by voice vote

Passed in the Senate 23 to 12 (details)

Received in the House

Oct. 23, 2025

Referred to the Committee on Regulatory Reform