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What Are You Allowed to Build at 22 Walsh Rd, Newton, MA, 02459?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 976 sq ft allowed By Right, or possibly more by Special Permit.
In Home Apartment
(Conversion or Addition)
Probably Allowed
This property meets the requirements for an Internal ADU of up to 976 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
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 1,998 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
NEWTON
Parcel ID
840340037
Property Type
Single Family
Zone
SR2
Year Built
1949
Lot Size
10,545 sq ft
Gross Building Area
1,467 sq ft
Gross Floor Area
1,952 sq ft
Living Area
1,952 sq ft
Basement Area
0 sq ft
Impervious Surface
1,467 sq ft
13.9%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 22 Walsh Rd, Newton, MA, 02459?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 976 sq ft allowed By Right, or possibly more by Special Permit.
In Home Apartment
(Conversion or Addition)
Probably Allowed
This property meets the requirements for an Internal ADU of up to 976 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
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 1,998 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
NEWTON
Parcel ID
840340037
Property Type
Single Family
Zone
SR2
Year Built
1949
Lot Size
10,545 sq ft
Gross Building Area
1,467 sq ft
Gross Floor Area
1,952 sq ft
Living Area
1,952 sq ft
Basement Area
0 sq ft
Impervious Surface
1,467 sq ft
13.9%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.