

ADU rules for Lake Barrington
Accessory Dwelling Unit (ADU) Rules for Lake Barrington, IL
Is your property eligible for an ADU?
# of Properties
2,325
Owner-occupied
79%
Zoning districts
11
Avg Home Value
$171,679
Median Lot Size
3.71 acres
Avg Income
$152,917
Residential Types:
2,325 housing units
Residential Improvements
100%
Zoning Districts:
2,779 parcels · 11 districts
R-1
91%(2,532)
M
6%(166)
R-2
2%(48)
B
0%(13)
Other
1%(20)
ADU Rules
What can you build in Lake Barrington, IL?
Lake Barrington, 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
Max Units
- –1 ADU per single-family lot
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.
Lake County