ADUs are allowed in Orland ParkTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Orland Park, IL
Is your property eligible for an ADU?
# of Properties
23,272
Owner-occupied
79%
Zoning districts
23
Avg Home Value
$38,504
Median Lot Size
0.27 acres
Avg Income
$102,394
Residential Types:
23,272 housing units
Other
100%
Zoning Districts:
25,537 parcels · 23 districts
R-3
47%(12,118)
R-4
26%(6,684)
R-3A
5%(1,256)
COR
4%(1,114)
Other
17%(4,365)
ADU Rules
What can you build in Orland Park, IL?
Orland Park, IL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 50% of the principal dwelling's floor area
Detached ADU Size Limits
- –Maximum detached ADU size is 50% of the floor area of the principal dwelling.
Max Units
- –1 ADU per lot for detached single-family principal use; ADUs not permitted for other principal structures.
Owner Occupancy
- –Owner-occupancy not required.
Parking
- –No explicit ADU min/max parking; ADU cannot have a driveway separate from the principal; if in a separate structure it must also serve as the garage; village standards require 2 spaces per detached unit (and 2.5 or a parking agreement within 500 ft if on-street parking is prohibited); code does not expressly add spaces to 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.
Cook County