Milwaukee sets standards for accessory dwelling units to enhance housing options

Milwaukee's City Plan Commission has taken a significant step towards expanding housing options by proposing new regulations for accessory dwelling units (ADUs) during a meeting on April 7, 2025. This initiative aims to create a framework for these smaller living spaces, which can be integrated into existing homes or built as separate structures, often referred to as "in-law suites" or "rear cottages."

The proposed ordinance would establish clear definitions and standards for ADUs, which are currently not recognized in Milwaukee's zoning code. Under the new regulations, only one ADU would be allowed per property, which must already contain a single-family or two-family dwelling. Additionally, at least one owner of the primary residence must occupy the home at the time of the ADU permit application, addressing community concerns about speculative development and ensuring that these units remain tied to local residents.

Support for ADUs has been strong among community members, reflecting a growing demand for diverse housing options that accommodate intergenerational living and provide homeowners with potential rental income. The ordinance includes specific design standards, such as a minimum size of 300 square feet and a maximum of 1,300 square feet for detached units, while also aligning with national best practices recommended by organizations like the American Planning Association and AARP.

Despite the enthusiasm, some concerns were raised during the meeting. Critics worry that the owner-occupancy requirement may not be stringent enough to prevent future misuse of the units for short-term rentals or speculative investments. The commission acknowledged these concerns and emphasized that the ordinance includes provisions to prohibit unattractive fire escapes on front facades, aiming to maintain neighborhood aesthetics.

The proposal is part of a broader city strategy to enhance housing choices and respond to changing demographics and economic conditions. As cities across the nation increasingly legalize ADUs to address housing shortages, Milwaukee's initiative reflects a commitment to improving the quality and diversity of its housing stock.

The City Plan Commission has recommended the ordinance for approval, marking a potential shift in Milwaukee's housing landscape. If passed, this legislation could pave the way for more flexible living arrangements, helping to meet the needs of a diverse population while fostering community ties.