ADUs are allowed in BloomingtonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Bloomington, IN
Is your property eligible for an ADU?
# of Properties
5,667
Owner-occupied
8%
Zoning districts
24
Avg Home Value
$858,664
Median Lot Size
0.18 acres
Avg Income
$47,617
Residential Types:
5,667 housing units
Single Family
1%
2-3 Family
1%
Apts (4+ units)
74%
Other
24%
Zoning Districts:
23,242 parcels · 24 districts
R2
37%(8,586)
R3
16%(3,790)
RM
11%(2,464)
MI
6%(1,379)
Other
30%(7,023)
ADU Rules
What can you build in Bloomington, IN?
Bloomington, 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 840 sq ft for an internal-access (attached) accessory dwelling unit.
Detached ADU Size Limits
- –Maximum detached backyard cottage size is 840 square feet.
- –Detached backyard cottage is also limited by the accessory-structure cap by zone: R1 up to the lesser of 1,000 sq ft or 50% of the primary dwelling’s floor area; R2 up to 840 sq ft; R3 up to 580 sq ft; R4 up to 400 sq ft; RM/RH/RMH at least 840 sq ft (so 840 sq ft controls); MI/EM/PO have no accessory-structure size cap.
Max Units
- –1 ADU per lot for single-family or duplex; not authorized for multifamily.
Owner Occupancy
- –Owner must occupy either the primary dwelling or the ADU
Parking
- –0 spaces; ADUs require no additional off-street parking citywide; max not specified for ADUs; transit-based reductions do not apply to single-family/duplex.
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 Indiana municipalities
Rules change at the town line. Check the municipality your property is actually in.
Monroe County