The bill aims to enhance affordable housing by requiring counties and municipalities to allow multifamily and mixed-use residential developments in designated areas, ensuring that a significant portion of these units are affordable rentals. It prohibits restrictive zoning changes or height limitations beyond specified parameters, while introducing new definitions for "commercial use" and "industrial use." The legislation clarifies that properties owned by religious institutions must meet specific criteria for development and allows for the assemblage of parcels under common ownership. Additionally, it sets a timeline for the expiration of certain provisions and prohibits discriminatory practices in land use decisions related to affordable housing.

Moreover, the bill establishes new height restrictions for proposed developments, capping them at 150% of the tallest adjacent building or three stories, with a maximum of 10 stories. It clarifies the definition of "adjacent" properties and specifies that only habitable space above the base flood elevation is counted as a story in areas of critical state concern. The bill also states that farms and farm operations are not considered commercial or industrial uses, and it allows local governments to offer density bonuses for land donations aimed at affordable housing. An evaluation of innovative housing solutions, including mezzanine finance and tiny homes, is mandated to be reported to the Legislature by a specified date, with the act set to take effect on July 1, 2026.

Statutes affected:
H 1389 c1: 333.03, 760.22, 760.26, 760.35
H 1389 c2: 333.03, 420.615, 760.22, 760.26
H 1389 e1: 333.03, 760.22, 760.26, 760.35, 420.615
H 1389 er: 333.03, 760.22, 760.26, 760.35, 420.615