ADUs are allowed in WinnetkaTypes:Detached
Types:Detached
Accessory Dwelling Unit (ADU) Rules for Winnetka, IL
Is your property eligible for an ADU?
# of Properties
4,537
Owner-occupied
82%
Zoning districts
13
Avg Home Value
$174,790
Median Lot Size
0.25 acres
Avg Income
$237,510
Residential Types:
4,537 housing units
Apts (4+ units)
1%
Other
99%
Zoning Districts:
4,913 parcels · 13 districts
R5
41%(2,032)
R2
21%(1,031)
R4
14%(683)
R3
8%(386)
Other
16%(781)
ADU Rules
What can you build in Winnetka, IL?
Winnetka, IL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: By Right
Parking
- –No ADU-specific parking requirement; general SF district parking applies (R-1: 2 spaces/dw; R-2–R-5: 1 space/dw), but applicability to ADUs is unclear; front-yard parking restrictions apply.
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 Illinois municipalities
Rules change at the town line. Check the municipality your property is actually in.
Cook County