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What Are You Allowed to Build at 1123 W Marquette Rd, Chicago, IL, 60621?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 2,286 sq ft allowed 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
Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. 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 2,817 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 2,286 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
CHICAGO
Parcel ID
20204010020000
Property Type
Residential
Zone
RS3
Year Built
1916
Lot Size
3,130 sq ft
Gross Building Area
1,063 sq ft
Gross Floor Area
531 sq ft
Living Area
0 sq ft
Basement Area
0 sq ft
Impervious Surface
0 sq ft

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 1123 W Marquette Rd, Chicago, IL, 60621?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 2,286 sq ft allowed 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
Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. 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 2,817 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 2,286 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
CHICAGO
Parcel ID
20204010020000
Property Type
Residential
Zone
RS3
Year Built
1916
Lot Size
3,130 sq ft
Gross Building Area
1,063 sq ft
Gross Floor Area
531 sq ft
Living Area
0 sq ft
Basement Area
0 sq ft
Impervious Surface
0 sq ft

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