

ADUs are allowed in GaryTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Gary, IN
Is your property eligible for an ADU?
# of Properties
39,798
Owner-occupied
37%
Zoning districts
41
Avg Home Value
$51,131
Median Lot Size
0.13 acres
Avg Income
$47,293
Residential Types:
39,798 housing units
Single Family
68%
2-3 Family
3%
Apts (4+ units)
1%
Other
28%
Zoning Districts:
54,071 parcels · 41 districts
R2
45%(24,531)
R3
18%(10,000)
R4
8%(4,555)
R5
6%(3,311)
Other
22%(11,674)
ADU Rules
What can you build in Gary, IN?
Gary, IN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Detached ADU Size Limits
- –Maximum size must be smaller than the primary dwelling unit’s total floor area.
Parking
- –ADU parking not specified; general rule is 1 space per dwelling unit (on-site, not in front setback); BZA can reduce; no parking required in B2-2/B2-3/B4-2/B4-3; on ≤40-ft lots without rear alley, none.
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.
Lake County