Tiny House Regulations Wisconsin

Last updated on March 10th, 2022 at 06:52 pm

  • Tiny house regulations and codes vary by city, town, or county.
  • Madison defines tiny houses on wheels that are no more than 150 square feet as “portable shelters.”
  • Dane County allows accessory dwelling units (ADUs) that are no more than 800 square feet.
  • Wisconsin State Building Codes for Residential

Tiny houses on foundations can be classified as ADUs in most instances; while tiny houses on wheels may find the process far more difficult. Wisconsin accommodates tiny houses on permanent foundations reasonably well in many areas. Throughout most of the state, jurisdictions classify them as accessory dwelling units, so they must comply with local ADU ordinances. For example, Dane County is included in the Madison metropolitan area, and it permits ADUs up to 800 square feet on residential properties. However, Madison specifically states that a tiny house on wheels is a portable rather than permanent shelter if it is less than 150 square feet.

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