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What Are You Allowed to Build at 12 Ancient Tree Rd, Northbrook, IL, 60062?

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 of up to 56 sq ft allowed By Special Permit, 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 39,893 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 39,668 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 12 Ancient Tree Rd, Northbrook, IL, 60062

Zoning Jurisdiction

NORTHBROOK

Parcel ID

04083110250000

Property Type

Residential

Zone

R-8

Year Built

Lot Size

99,732 sq ft

Gross Building Area

225 sq ft

Gross Floor Area

225 sq ft

Estimated

Living Area

225 sq ft

Basement Area

0 sq ft

Impervious Surface

225 sq ft

Estimated
0.2%of lot coverage

ADU rules for Northbrook, 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 12 Ancient Tree Rd, Northbrook, IL, 60062?

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 of up to 56 sq ft allowed By Special Permit, 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 39,893 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 39,668 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 12 Ancient Tree Rd, Northbrook, IL, 60062

Zoning Jurisdiction

NORTHBROOK

Parcel ID

04083110250000

Property Type

Residential

Zone

R-8

Year Built

Lot Size

99,732 sq ft

Gross Building Area

225 sq ft

Gross Floor Area

225 sq ft

Estimated

Living Area

225 sq ft

Basement Area

0 sq ft

Impervious Surface

225 sq ft

Estimated
0.2%of lot coverage

ADU rules for Northbrook, IL

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

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