ADUs are allowed in Wausau CityTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Wausau City, WI
Is your property eligible for an ADU?
# of Properties
13,225
Owner-occupied
75%
Zoning districts
36
Avg Home Value
$203,091
Median Lot Size
0.18 acres
Avg Income
$74,082
Residential Types:
13,225 housing units
Single Family
99%
Other
1%
Zoning Districts:
15,172 parcels · 36 districts
SR-5
27%(4,038)
SR-7
16%(2,457)
TF-10
15%(2,278)
SR-2
14%(2,067)
Other
29%(4,332)
ADU Rules
What can you build in Wausau City, WI?
Wausau 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 internal ADU size of 800 sq ft
- –Maximum internal ADU size of 75% of the principal dwelling’s floor area
Detached ADU Size Limits
- –Maximum size of 75% of the principal dwelling’s floor area for a detached accessory dwelling on a single-family lot
- –Absolute maximum size of 800 sq ft for a detached accessory dwelling on a single-family lot
Owner Occupancy
- –The principal building must be owner-occupied.
Parking
- –No universal ADU parking minimum/maximum; waivers in DHMU/DPMU/DRMU; residential uses require 1 off-street space per dwelling unit within 1,000 ft; NMU/UMU may reduce up to 50% via Plan Commission; a garage stall counts as a space.
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.
Marathon County