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ADU rules for Carpentersville

Accessory Dwelling Unit (ADU) Rules for Carpentersville, IL

Is your property eligible for an ADU?

# of Properties
8,556
Owner-occupied
83%
Zoning districts
21
Avg Home Value
$94,591
Median Lot Size
0.16 acres
Avg Income
$91,199
Residential Types:
8,556 housing units
Apts (4+ units)
97%
Other
3%
Zoning Districts:
9,635 parcels · 21 districts
R-2A
49%(4,761)
R-1
12%(1,178)
R-2
10%(933)
R-3
8%(757)
Other
21%(2,006)

ADU Rules

What can you build in Carpentersville, IL?

Carpentersville, IL follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Max Units

  • Detached ADU: 0 per lot; Attached/Internal ADU/JADU: none specified

Owner Occupancy

  • No owner-occupancy requirement.

Rental Restrictions

  • Detached ADUs prohibited; accessory buildings may not be used for dwelling purposes, preventing renting.

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.

Kane County

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