Want to explore more about your property?
What Are You Allowed to Build at 4641 Seiler Rd, Unincorporated (Madison), IL, 62021?
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)
This property may qualify for an Internal ADU, 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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 7,552 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 4,980 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
Zoning Jurisdiction
Madison County
Parcel ID
162031601101014
Property Type
Residential
Zone
R-3
Year Built
1920
Lot Size
15,103 sq ft
Gross Building Area
4,303 sq ft
Gross Floor Area
2,571 sq ft
Living Area
840 sq ft
Basement Area
0 sq ft
Impervious Surface
4,303 sq ft
28.5%of lot coverage

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 4641 Seiler Rd, Unincorporated (Madison), IL, 62021?
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)
This property may qualify for an Internal ADU, 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 Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 7,552 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 4,980 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
Zoning Jurisdiction
Madison County
Parcel ID
162031601101014
Property Type
Residential
Zone
R-3
Year Built
1920
Lot Size
15,103 sq ft
Gross Building Area
4,303 sq ft
Gross Floor Area
2,571 sq ft
Living Area
840 sq ft
Basement Area
0 sq ft
Impervious Surface
4,303 sq ft
28.5%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.