ADU rules for Glendale Heights
Accessory Dwelling Unit (ADU) Rules for Glendale Heights, IL
Is your property eligible for an ADU?
# of Properties
9,203
Owner-occupied
77%
Zoning districts
16
Avg Home Value
$91,400
Median Lot Size
0.18 acres
Avg Income
$100,772
Residential Types:
9,203 housing units
Residential
100%
Zoning Districts:
9,853 parcels · 16 districts
R-3
32%(3,144)
R-5
29%(2,866)
R-2
20%(1,922)
R-4
14%(1,408)
Other
5%(513)
ADU Rules
What can you build in Glendale Heights, IL?
Glendale Heights, 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: Not addressed in the local bylaw
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.
DuPage County