ADUs are allowed in Lake Mills CityTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Lake Mills City, WI
Is your property eligible for an ADU?
# of Properties
2,026
Owner-occupied
86%
Zoning districts
13
Avg Home Value
$243,617
Median Lot Size
0.29 acres
Avg Income
$90,003
Residential Types:
2,026 housing units
Single Family
100%
Zoning Districts:
2,510 parcels · 13 districts
R1-4
39%(975)
R1-6
29%(721)
R3-12
10%(245)
R1-8
5%(122)
Other
18%(447)
ADU Rules
What can you build in Lake Mills City, WI?
Lake Mills City, WI follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Interior / Attached ADU Size Limits
- –Maximum size of 1,000 sq ft for an internal or attached ADU in the Traditional Neighborhood Development (TND); no citywide size limit otherwise.
Detached ADU Size Limits
- –Maximum size of 1,200 sq ft, or 1,000 sq ft in LRO or TND
Max Units
- –Citywide per-lot max: none specified; TND dev-wide cap on secondary dwelling units: 10% of total single-family attached and detached units.
Rental Restrictions
- –Guest houses shall not be rented or leased.
- –Detached ADUs treated as guest houses are not rentable.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Wisconsin municipalities
Rules change at the town line. Check the municipality your property is actually in.
Jefferson County