

ADU rules for North Barrington
Accessory Dwelling Unit (ADU) Rules for North Barrington, IL
Is your property eligible for an ADU?
# of Properties
1,180
Owner-occupied
93%
Zoning districts
9
Avg Home Value
$272,416
Median Lot Size
1.13 acres
Avg Income
$186,602
Residential Types:
1,180 housing units
Other
100%
Zoning Districts:
1,634 parcels · 9 districts
R-3
36%(582)
G-PUD
33%(547)
R-1
8%(133)
R-2
8%(128)
Other
15%(244)
ADU Rules
What can you build in North Barrington, IL?
North 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 Premier Equestrian Estate District single-family lot (up to 1,500 sq ft)
- –1 accessory residential building per equestrian center (up to 3,500 sq ft; max 8 bedrooms)
Rental Restrictions
- –Premier Equestrian Estate District: ADU occupancy limited to owner-employed personnel; general-public rental prohibited. Villagewide: short-term rentals prohibited except for <93 days with a permit.
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.
Lake County