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What Are You Allowed to Build at 430 Challenge St, Freeport, IL, 61032?

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 40,674 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 37,293 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 430 Challenge St, Freeport, IL, 61032

Zoning Jurisdiction

FREEPORT

Parcel ID

1905154007

Property Type

Residential

Zone

B1-1

Year Built

2002

Lot Size

33,894 sq ft

Gross Building Area

5,562 sq ft

Gross Floor Area

3,381 sq ft

Estimated

Living Area

1,200 sq ft

Basement Area

0 sq ft

Impervious Surface

5,562 sq ft

Estimated
16.4%of lot coverage

ADU rules for Freeport, 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 430 Challenge St, Freeport, IL, 61032?

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 40,674 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 37,293 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 430 Challenge St, Freeport, IL, 61032

Zoning Jurisdiction

FREEPORT

Parcel ID

1905154007

Property Type

Residential

Zone

B1-1

Year Built

2002

Lot Size

33,894 sq ft

Gross Building Area

5,562 sq ft

Gross Floor Area

3,381 sq ft

Estimated

Living Area

1,200 sq ft

Basement Area

0 sq ft

Impervious Surface

5,562 sq ft

Estimated
16.4%of lot coverage

ADU rules for Freeport, IL

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

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