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What Are You Allowed to Build at 601 Romona 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 378 sq ft allowed By Special Permit, but there are some special considerations.

Swimming Pool

Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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 83 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 83 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 Romona Rd, Wilmette, IL, 60091

Zoning Jurisdiction

WILMETTE

Parcel ID

05321110240000

Property Type

Residential

Zone

R1-B

Year Built

1957

Lot Size

6,996 sq ft

Gross Building Area

1,513 sq ft

Gross Floor Area

2,054 sq ft

Estimated

Living Area

2,054 sq ft

Basement Area

0 sq ft

Impervious Surface

2,054 sq ft

Estimated
29.4%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 Romona 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 378 sq ft allowed By Special Permit, but there are some special considerations.

Swimming Pool

Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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 83 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 83 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 Romona Rd, Wilmette, IL, 60091

Zoning Jurisdiction

WILMETTE

Parcel ID

05321110240000

Property Type

Residential

Zone

R1-B

Year Built

1957

Lot Size

6,996 sq ft

Gross Building Area

1,513 sq ft

Gross Floor Area

2,054 sq ft

Estimated

Living Area

2,054 sq ft

Basement Area

0 sq ft

Impervious Surface

2,054 sq ft

Estimated
29.4%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.