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What Are You Allowed to Build at 1220 W Sunset Rd, 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 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 4,261 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 1,651 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 1220 W Sunset Rd, Mount Prospect, IL, 60056

Zoning Jurisdiction

MOUNT PROSPECT

Parcel ID

08141240010000

Property Type

Residential

Zone

R-1

Year Built

1967

Lot Size

8,521 sq ft

Gross Building Area

1,557 sq ft

Gross Floor Area

2,610 sq ft

Estimated

Living Area

2,610 sq ft

Basement Area

0 sq ft

Impervious Surface

2,610 sq ft

Estimated
30.6%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 1220 W Sunset Rd, 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 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 4,261 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 1,651 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 1220 W Sunset Rd, Mount Prospect, IL, 60056

Zoning Jurisdiction

MOUNT PROSPECT

Parcel ID

08141240010000

Property Type

Residential

Zone

R-1

Year Built

1967

Lot Size

8,521 sq ft

Gross Building Area

1,557 sq ft

Gross Floor Area

2,610 sq ft

Estimated

Living Area

2,610 sq ft

Basement Area

0 sq ft

Impervious Surface

2,610 sq ft

Estimated
30.6%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.