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What Are You Allowed to Build at 20 Beharrell St, Concord, MA, 01742?
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
Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. 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 under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
CONCORD
Parcel ID
21872
Property Type
Residential
Zone
WCI
Year Built
1900
Lot Size
11,700 sq ft
Gross Building Area
12,000 sq ft
Gross Floor Area
8,246 sq ft
Living Area
4,492 sq ft
Basement Area
0 sq ft
Impervious Surface
4,492 sq ft
38.4%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 Beharrell St, Concord, MA, 01742?
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
Probably Allowed
This property likely meets the zoning requirements to build a swimming pool. 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 under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
CONCORD
Parcel ID
21872
Property Type
Residential
Zone
WCI
Year Built
1900
Lot Size
11,700 sq ft
Gross Building Area
12,000 sq ft
Gross Floor Area
8,246 sq ft
Living Area
4,492 sq ft
Basement Area
0 sq ft
Impervious Surface
4,492 sq ft
38.4%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.