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What Are You Allowed to Build at 431 W Marquette Rd, Chicago, IL, 60621?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,974 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU.

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 1,974 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 1,974 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 431 W Marquette Rd, Chicago, IL, 60621

Zoning Jurisdiction

CHICAGO

Parcel ID

20213050240000

Property Type

Multi Family

Zone

RT4

Year Built

2002

Lot Size

1,645 sq ft

Gross Building Area

0 sq ft

Gross Floor Area

0 sq ft

Estimated

Living Area

0 sq ft

Basement Area

0 sq ft

Impervious Surface

0 sq ft

Estimated

ADU rules for Chicago, IL

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 431 W Marquette Rd, Chicago, IL, 60621?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,974 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed
This property meets the requirements for an Internal ADU.

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 1,974 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 1,974 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 431 W Marquette Rd, Chicago, IL, 60621

Zoning Jurisdiction

CHICAGO

Parcel ID

20213050240000

Property Type

Multi Family

Zone

RT4

Year Built

2002

Lot Size

1,645 sq ft

Gross Building Area

0 sq ft

Gross Floor Area

0 sq ft

Estimated

Living Area

0 sq ft

Basement Area

0 sq ft

Impervious Surface

0 sq ft

Estimated

ADU rules for Chicago, IL

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

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