ADU rules for Niles
Accessory Dwelling Unit (ADU) Rules for Niles, IL
Is your property eligible for an ADU?
# of Properties
10,721
Owner-occupied
63%
Zoning districts
16
Avg Home Value
$37,816
Median Lot Size
0.15 acres
Avg Income
$89,536
Residential Types:
10,721 housing units
Other
100%
Zoning Districts:
11,734 parcels · 16 districts
R-2
50%(5,914)
R-4
24%(2,774)
C-3
11%(1,297)
R-2-35A
4%(463)
Other
11%(1,286)
ADU Rules
What can you build in Niles, IL?
Niles, 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
Rental Restrictions
- –Detached ADU cannot be rented; no temporary or long-term dwelling allowed.
- –Internal ADU not allowed in R-1/R-2/R-2-35; second unit only in R-3/R-4, effectively preventing renting an internal ADU.
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