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What Are You Allowed to Build at 8701 W Foster Ave Unit 310, Chicago, IL, 60656?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 21,697 sq ft allowed By Right, 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

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 33,251 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 21,697 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 8701 W Foster Ave Unit 310, Chicago, IL, 60656

Zoning Jurisdiction

CHICAGO

Parcel ID

12113100751030

Property Type

Residential

Zone

RT4

Year Built

1979

Lot Size

27,709 sq ft

Gross Building Area

11,554 sq ft

Gross Floor Area

11,554 sq ft

Estimated

Living Area

11,554 sq ft

Basement Area

0 sq ft

Impervious Surface

11,554 sq ft

Estimated
41.7%of lot coverage

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 8701 W Foster Ave Unit 310, Chicago, IL, 60656?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 21,697 sq ft allowed By Right, 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

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 33,251 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 21,697 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 8701 W Foster Ave Unit 310, Chicago, IL, 60656

Zoning Jurisdiction

CHICAGO

Parcel ID

12113100751030

Property Type

Residential

Zone

RT4

Year Built

1979

Lot Size

27,709 sq ft

Gross Building Area

11,554 sq ft

Gross Floor Area

11,554 sq ft

Estimated

Living Area

11,554 sq ft

Basement Area

0 sq ft

Impervious Surface

11,554 sq ft

Estimated
41.7%of lot coverage

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.