ADU rules for Manhattan
Accessory Dwelling Unit (ADU) Rules for Manhattan, IL
Is your property eligible for an ADU?
# of Properties
83
Owner-occupied
80%
Zoning districts
31
Avg Home Value
$114,940
Median Lot Size
0.38 acres
Avg Income
$164,879
Residential Types:
83 housing units
R
100%
Zoning Districts:
5,111 parcels · 31 districts
R1-PUD
54%(2,770)
R1
21%(1,082)
R3
8%(426)
R5-PUD
4%(224)
Other
12%(609)
ADU Rules
What can you build in Manhattan, IL?
Manhattan, 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
- –Accessory units limited to on-site employee housing; not rented or used as separate dwellings.
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.
Will County