ADU rules for Manhattan
Accessory Dwelling Unit (ADU) Rules for Manhattan, IL
Is your property eligible for an ADU?
# of Parcels
4,785
Zoning districts
26
Avg Parcel Value
$106,444
Zoning Districts:
4,781 parcels · 26 districts
R1-PUD
56%(2,659)
R1
22%(1,058)
R3
8%(380)
R5-PUD
5%(224)
Other
10%(460)
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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Learn the key rules and size limits for ADUs
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