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ADU rules for Unincorporated Winnebago

Accessory Dwelling Unit (ADU) Rules for Unincorporated Winnebago, IL

Is your property eligible for an ADU?

# of Properties
21,335
Owner-occupied
73%
Zoning districts
38
Avg Home Value
$199,925
Median Lot Size
0.48 acres
Avg Income
$93,498
Residential Types:
21,335 housing units
Single Family
83%
2-3 Family
1%
Condos
1%
Other
15%
Zoning Districts:
31,943 parcels · 38 districts
AG
32%(10,090)
RR
31%(9,745)
R1
27%(8,724)
PCD
3%(840)
Other
8%(2,544)

ADU Rules

What can you build in Unincorporated Winnebago, IL?

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

Max Units

  • –1 accessory living quarter per lot

Owner Occupancy

  • –Owner must occupy principal residence or ADU for six months per year

Parking

  • –0 spaces per ADU if adequate parking is available; principal parking must be maintained; no separate ADU parking requirement in the off-street table

Rental Restrictions

  • –Detached ADU rental prohibited; internal/attached ADU rental prohibited

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 Illinois municipalities

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

Winnebago County

Machesney ParkRockford
See all municipalities in Winnebago County →See all Illinois municipalities →
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