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What Are You Allowed to Build at 207 N Louis St Unit B, Mount Prospect, IL, 60056?

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)

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

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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 495 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 207 N Louis St Unit B, Mount Prospect, IL, 60056

Zoning Jurisdiction

MOUNT PROSPECT

Parcel ID

03353000570000

Property Type

Residential

Zone

R-2

Year Built

2005

Lot Size

990 sq ft

Gross Building Area

1,548 sq ft

Gross Floor Area

1,192 sq ft

Estimated

Living Area

836 sq ft

Basement Area

0 sq ft

Impervious Surface

836 sq ft

Estimated
84.4%of lot coverage

ADU rules for Mount Prospect, 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 207 N Louis St Unit B, Mount Prospect, IL, 60056?

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)

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

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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 495 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 207 N Louis St Unit B, Mount Prospect, IL, 60056

Zoning Jurisdiction

MOUNT PROSPECT

Parcel ID

03353000570000

Property Type

Residential

Zone

R-2

Year Built

2005

Lot Size

990 sq ft

Gross Building Area

1,548 sq ft

Gross Floor Area

1,192 sq ft

Estimated

Living Area

836 sq ft

Basement Area

0 sq ft

Impervious Surface

836 sq ft

Estimated
84.4%of lot coverage

ADU rules for Mount Prospect, IL

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

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