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What Are You Allowed to Build at 1233 Decatur St, Gary, IN, 46403?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 1,017 sq ft allowed By Conditional Use Permit, or possibly more by Special Permit, but there are some special considerations.
In Home Apartment
(Conversion or Addition)
This property may qualify for an Internal ADU, but there are some special considerations.
Swimming Pool
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 3,880 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 2,863 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
GARY
Parcel ID
450907105013000004
Property Type
Single Family
Zone
R2
Year Built
1953
Lot Size
7,759 sq ft
Gross Building Area
1,183 sq ft
Gross Floor Area
1,016 sq ft
Living Area
850 sq ft
Basement Area
0 sq ft
Impervious Surface
1,183 sq ft
15.2%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.
What Are You Allowed to Build at 1233 Decatur St, Gary, IN, 46403?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 1,017 sq ft allowed By Conditional Use Permit, or possibly more by Special Permit, but there are some special considerations.
In Home Apartment
(Conversion or Addition)
This property may qualify for an Internal ADU, but there are some special considerations.
Swimming Pool
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 3,880 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 2,863 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
GARY
Parcel ID
450907105013000004
Property Type
Single Family
Zone
R2
Year Built
1953
Lot Size
7,759 sq ft
Gross Building Area
1,183 sq ft
Gross Floor Area
1,016 sq ft
Living Area
850 sq ft
Basement Area
0 sq ft
Impervious Surface
1,183 sq ft
15.2%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.