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ADUs are allowed in Unincorporated Sauk
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Unincorporated Sauk, WI

Is your property eligible for an ADU?

# of Parcels
1
Zoning districts
1
Zoning Districts:
1 parcel · 1 district
AG-RES
100%(1)

ADU Rules

What can you build in Unincorporated Sauk, WI?

Unincorporated Sauk, WI follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Detached ADU Size Limits

  • Maximum size of 800 sq ft

Max Units

  • 1 per lot/parcel for dependency living arrangement; up to 2 per farm for agricultural use

Owner Occupancy

  • Owner and family must live in the principal dwelling.

Parking

  • No ADU-specific parking minimum/maximum; general parking rules apply. Zoning Administrator may set comparable requirements or apply flex parking with no set minimum if sufficient on-site parking is demonstrated.

Rental Restrictions

  • ADU may not be rented to the general public or unrelated tenants; occupancy limited to dependency living arrangements or specific agricultural uses (parents/children or hired farm workers).

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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Is your property eligible for an ADU?

ADU rules in other Wisconsin municipalities

Rules change at the town line. Check the municipality your property is actually in.

Sauk County