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What Are You Allowed to Build at 1135 Decatur St, Gary, IN, 46403?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 1,258 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)

Might be Allowed
This property may qualify for an Internal ADU, but there are some special considerations.

Swimming Pool

Might be Allowed
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 3,448 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 2,190 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

Streetview picture of 1135 Decatur St, Gary, IN, 46403

Zoning Jurisdiction

GARY

Parcel ID

450907105004000004

Property Type

Single Family

Zone

R2

Year Built

1953

Lot Size

6,895 sq ft

Gross Building Area

898 sq ft

Gross Floor Area

1,258 sq ft

Estimated

Living Area

1,258 sq ft

Basement Area

0 sq ft

Impervious Surface

898 sq ft

Estimated
13.0%of lot coverage

ADU rules for Gary, IN

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 1135 Decatur St, Gary, IN, 46403?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 1,258 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)

Might be Allowed
This property may qualify for an Internal ADU, but there are some special considerations.

Swimming Pool

Might be Allowed
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 3,448 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 2,190 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

Streetview picture of 1135 Decatur St, Gary, IN, 46403

Zoning Jurisdiction

GARY

Parcel ID

450907105004000004

Property Type

Single Family

Zone

R2

Year Built

1953

Lot Size

6,895 sq ft

Gross Building Area

898 sq ft

Gross Floor Area

1,258 sq ft

Estimated

Living Area

1,258 sq ft

Basement Area

0 sq ft

Impervious Surface

898 sq ft

Estimated
13.0%of lot coverage

ADU rules for Gary, IN

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.