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What Are You Allowed to Build at 4622 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)
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
This property may meet the zoning requirements to build a Single-Family home up to 94,612 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 92,573 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
161031603301003002
Property Type
Residential
Zone
B-2
Year Built
1920
Lot Size
78,843 sq ft
Gross Building Area
2,928 sq ft
Gross Floor Area
2,039 sq ft
Living Area
1,150 sq ft
Basement Area
0 sq ft
Impervious Surface
2,928 sq ft
3.7%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 4622 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)
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
This property may meet the zoning requirements to build a Single-Family home up to 94,612 sq ft of zoning-counted floor area allowed By Special Permit. Additional factors may affect feasibility.
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 92,573 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
161031603301003002
Property Type
Residential
Zone
B-2
Year Built
1920
Lot Size
78,843 sq ft
Gross Building Area
2,928 sq ft
Gross Floor Area
2,039 sq ft
Living Area
1,150 sq ft
Basement Area
0 sq ft
Impervious Surface
2,928 sq ft
3.7%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.