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What Are You Allowed to Build at 143 Bridge St, Newton, MA, 02458?
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 of up to 927 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
Swimming Pool
Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 43 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
NEWTON
Parcel ID
140110009
Property Type
Single Family
Zone
MR2
Year Built
1921
Lot Size
3,271 sq ft
Gross Building Area
1,151 sq ft
Gross Floor Area
1,854 sq ft
Living Area
1,854 sq ft
Basement Area
0 sq ft
Impervious Surface
1,151 sq ft
35.2%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 143 Bridge St, Newton, MA, 02458?
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 of up to 927 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
Swimming Pool
Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 43 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
NEWTON
Parcel ID
140110009
Property Type
Single Family
Zone
MR2
Year Built
1921
Lot Size
3,271 sq ft
Gross Building Area
1,151 sq ft
Gross Floor Area
1,854 sq ft
Living Area
1,854 sq ft
Basement Area
0 sq ft
Impervious Surface
1,151 sq ft
35.2%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.