ADUs are allowed in Unincorporated DearbornTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Dearborn, IN
Is your property eligible for an ADU?
# of Properties
9,763
Owner-occupied
27%
Zoning districts
27
Avg Home Value
$85,924
Median Lot Size
6.00 acres
Avg Income
$91,744
Residential Types:
9,763 housing units
Single Family
62%
Apts (4+ units)
32%
Other
6%
Zoning Districts:
24,907 parcels · 27 districts
AG
28%(7,078)
R1
24%(5,911)
PUD
23%(5,662)
AH
20%(4,882)
Other
6%(1,374)
ADU Rules
What can you build in Unincorporated Dearborn, IN?
Unincorporated Dearborn, IN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of an internal accessory dwelling unit is 35% of the principal dwelling’s total floor area.
Max Units
- –1 ADU per single-family lot
Owner Occupancy
- –Owner occupancy not required.
Parking
- –No explicit ADU min/max; ADUs not listed; TRC assigns parking for unlisted uses based on trip generation, duration, and employees; adding a dwelling requires extra parking; dwelling garages credited toward required parking.
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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