Want to explore more about your property?
What Are You Allowed to Build at 21 Symphony Rd Apt 4, Boston, MA, 02115?
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 Allowed
This property meets the requirements for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.
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
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 6,159 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
BOSTON
Parcel ID
0401540008
Property Type
Residential
Zone
Art66_MFR-1
Year Built
1890
Lot Size
1,826 sq ft
Gross Building Area
1,148 sq ft
Gross Floor Area
1,148 sq ft
Living Area
1,148 sq ft
Basement Area
0 sq ft
Impervious Surface
1,148 sq ft
62.8%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 Symphony Rd Apt 4, Boston, MA, 02115?
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 Allowed
This property meets the requirements for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.
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
Multi Family
Home Addition
Probably Allowed
We estimate you can expand this property by up to 6,159 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
BOSTON
Parcel ID
0401540008
Property Type
Residential
Zone
Art66_MFR-1
Year Built
1890
Lot Size
1,826 sq ft
Gross Building Area
1,148 sq ft
Gross Floor Area
1,148 sq ft
Living Area
1,148 sq ft
Basement Area
0 sq ft
Impervious Surface
1,148 sq ft
62.8%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.