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What Are You Allowed to Build at 21 Clark Rd, Shirley, MA, 01464?
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
The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.
Multi Family
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 12,326 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
SHIRLEY
Parcel ID
23B13
Property Type
Single Family
Zone
I
Year Built
1935
Lot Size
15,246 sq ft
Gross Building Area
1,194 sq ft
Gross Floor Area
1,395 sq ft
Living Area
1,395 sq ft
Basement Area
0 sq ft
Impervious Surface
1,395 sq ft
9.1%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 21 Clark Rd, Shirley, MA, 01464?
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
The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.
Multi Family
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 12,326 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
SHIRLEY
Parcel ID
23B13
Property Type
Single Family
Zone
I
Year Built
1935
Lot Size
15,246 sq ft
Gross Building Area
1,194 sq ft
Gross Floor Area
1,395 sq ft
Living Area
1,395 sq ft
Basement Area
0 sq ft
Impervious Surface
1,395 sq ft
9.1%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.