This bill aims to limit the zoning authority of local governments in Minnesota regarding certain housing types, specifically focusing on the development of mixed housing and accessory dwelling units. It introduces new legal language that establishes definitions for various housing types, including accessory dwelling units, mixed housing, and multifamily affordable housing developments. The bill mandates that municipalities allow mixed housing as a permitted use on at least 33% of buildable areas zoned for single-family housing and requires that at least one accessory dwelling unit be permitted on any residential lot containing a single-family home. Additionally, it outlines administrative approval processes for multifamily residential developments and imposes restrictions on the design standards that municipalities can enforce for residential buildings with four or fewer units.

Furthermore, the bill stipulates that municipalities must not impose certain requirements that could hinder the construction of mixed housing or accessory dwelling units, such as minimum lot sizes or specific design features. It also emphasizes the need for municipalities to prioritize the siting of mixed housing near transit, schools, and commercial areas. The legislation includes provisions for public information, infrastructure compliance, and limitations on the use of official controls that could obstruct the application of these new housing regulations. The effective date for these changes is set for January 1, 2028.