City · Wisconsin
ADU rules in Madison
2 sources
These are the primary sources for accessory dwelling unit regulations in Madison: the city's own zoning code, planning department pages, and permit guides. Start here before talking to anyone: the rules below are what your permit reviewer will apply.
ADU regulations
- cityofmadison.comOfficial sourceVerified July 2026https://www.cityofmadison.com/development-services-center/1-2-family-residential/new-building-construction/new-detached-accessory
- cityofmadison.comOfficial sourceVerified July 2026https://www.cityofmadison.com/development-services-center/1-2-family-residential/additions/attached-accessory-dwelling-unit
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