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What Are You Allowed to Build at 1713 W 99th St, Chicago, IL, 60643?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

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 6,718 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 4,412 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 1713 W 99th St, Chicago, IL, 60643

Zoning Jurisdiction

CHICAGO

Parcel ID

25074040080000

Property Type

Residential

Zone

RS1

Year Built

1888

Lot Size

13,435 sq ft

Gross Building Area

2,406 sq ft

Gross Floor Area

2,305 sq ft

Estimated

Living Area

2,205 sq ft

Basement Area

0 sq ft

Impervious Surface

2,205 sq ft

Estimated
16.4%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 1713 W 99th St, Chicago, IL, 60643?

Backyard Cottage

(Detached ADU)

Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority

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 6,718 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 4,412 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 1713 W 99th St, Chicago, IL, 60643

Zoning Jurisdiction

CHICAGO

Parcel ID

25074040080000

Property Type

Residential

Zone

RS1

Year Built

1888

Lot Size

13,435 sq ft

Gross Building Area

2,406 sq ft

Gross Floor Area

2,305 sq ft

Estimated

Living Area

2,205 sq ft

Basement Area

0 sq ft

Impervious Surface

2,205 sq ft

Estimated
16.4%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.