Tiny Homes: Milwaukee vs West Allis
How do tiny homes rules compare between Milwaukee, WI and West Allis, WI?
West Allis has fewer restrictions than Milwaukee.
Milwaukee, WI
Milwaukee County
Milwaukee does not permit tiny homes on wheels as permanent dwellings. Tiny houses on foundations must meet the Wisconsin Uniform Dwelling Code minimum 400 square feet.
View full Milwaukee rules →West Allis, WI
Milwaukee County
Wisconsin's Uniform Dwelling Code (Wis. Stat. ch. 101 and SPS 320-325) sets statewide construction standards for one- and two-family dwellings, including tiny homes built as permanent dwellings. Local governments cannot impose stricter building code standards than the UDC.
View full West Allis rules →Key Facts Comparison
| Fact | Milwaukee | West Allis |
|---|---|---|
| On Wheels | Prohibited as dwelling | - |
| On Foundation | UDC compliant only | - |
| Min Size | Around 400 sq ft | - |
| RV Parking | 14-day limit | - |
| Code | - | Wisconsin UDC |
| Authority | - | Wis. Stat. 101.63 |
| Agency | - | DSPS, SPS 320-325 |
| Preempts | - | Local building codes |
| Not Preempted | - | Local zoning rules |
Highlighted rows indicate differences between cities.
Milwaukee FAQ
West Allis FAQ
Does the Wisconsin UDC apply to tiny homes?
Yes. Tiny homes built as permanent one- or two-family dwellings must comply with the Uniform Dwelling Code. Tiny homes on wheels fall under separate RV or manufactured-home rules.
Can my city require stricter building standards than the UDC?
No. Wis. Stat. 101.65 preempts municipal building codes for one- and two-family dwellings. Cities may only enforce the UDC, not exceed it, though zoning remains local.
Does UDC preemption cover where I can place a tiny home?
No. Zoning, minimum lot size, setbacks, and minimum dwelling-size rules are local. The UDC governs how the structure is built, not where it may be sited.
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