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What Are You Allowed to Build at 601 Green Bay Rd, Wilmette, IL, 60091?

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 1,247 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 19,297 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 601 Green Bay Rd, Wilmette, IL, 60091

Zoning Jurisdiction

WILMETTE

Parcel ID

05341090180000

Property Type

Residential

Zone

VC

Year Built

1896

Lot Size

7,727 sq ft

Gross Building Area

4,988 sq ft

Gross Floor Area

3,885 sq ft

Estimated

Living Area

2,783 sq ft

Basement Area

0 sq ft

Impervious Surface

2,783 sq ft

Estimated
36.0%of lot coverage

ADU rules for Wilmette, 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 601 Green Bay Rd, Wilmette, IL, 60091?

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 1,247 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 19,297 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 601 Green Bay Rd, Wilmette, IL, 60091

Zoning Jurisdiction

WILMETTE

Parcel ID

05341090180000

Property Type

Residential

Zone

VC

Year Built

1896

Lot Size

7,727 sq ft

Gross Building Area

4,988 sq ft

Gross Floor Area

3,885 sq ft

Estimated

Living Area

2,783 sq ft

Basement Area

0 sq ft

Impervious Surface

2,783 sq ft

Estimated
36.0%of lot coverage

ADU rules for Wilmette, IL

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

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