ADU rules for Highland Park
Accessory Dwelling Unit (ADU) Rules for Highland Park, IL
Is your property eligible for an ADU?
# of Properties
11,303
Owner-occupied
90%
Zoning districts
29
Avg Home Value
$243,706
Median Lot Size
0.30 acres
Avg Income
$188,599
Residential Types:
11,303 housing units
Other
100%
Zoning Districts:
12,887 parcels · 29 districts
R6
33%(4,301)
R5
22%(2,860)
R4
13%(1,617)
RM1
9%(1,135)
Other
23%(2,974)
ADU Rules
What can you build in Highland Park, IL?
Highland Park, 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
Owner Occupancy
- –No owner-occupancy requirement.
Rental Restrictions
- –Short-term rentals prohibited for ADUs.
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.
Lake County