ADU rules for Oak Lawn
Accessory Dwelling Unit (ADU) Rules for Oak Lawn, IL
Is your property eligible for an ADU?
# of Properties
24,232
Owner-occupied
64%
Zoning districts
14
Avg Home Value
$21,173
Median Lot Size
0.17 acres
Avg Income
$94,038
Residential Types:
24,232 housing units
Other
100%
Zoning Districts:
26,084 parcels · 14 districts
R-1
64%(16,734)
R-3
15%(3,962)
PUD-R-2/R-3
12%(3,054)
C-2
4%(939)
Other
5%(1,395)
ADU Rules
What can you build in Oak Lawn, IL?
Oak Lawn, 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 for ADUs.
Rental Restrictions
- –Detached ADU not permitted to be rented.
- –Short-term rentals (<30 days) prohibited in all zoning districts.
- –Internal/attached ADU: basements cannot be rented to non-family; half-stories cannot be separate rentable units.
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