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What Are You Allowed to Build at 20 Horseneck Ln, Greenwich, CT, 06830?
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
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 19,705 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
GREENWICH
Parcel ID
021563S
Property Type
General Office
Zone
GBO
Year Built
1982
Lot Size
104,544 sq ft
Gross Building Area
44,830 sq ft
Gross Floor Area
32,567 sq ft
Living Area
20,304 sq ft
Basement Area
0 sq ft
Impervious Surface
20,304 sq ft
19.4%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 20 Horseneck Ln, Greenwich, CT, 06830?
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
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. 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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 19,705 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
GREENWICH
Parcel ID
021563S
Property Type
General Office
Zone
GBO
Year Built
1982
Lot Size
104,544 sq ft
Gross Building Area
44,830 sq ft
Gross Floor Area
32,567 sq ft
Living Area
20,304 sq ft
Basement Area
0 sq ft
Impervious Surface
20,304 sq ft
19.4%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.