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What Are You Allowed to Build at 676 Huron Ave # 21, Cambridge, MA, 02138?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 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 5,122 sq ft allowed By Right, or possibly more by Special Permit.

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 Allowed
This property likely meets the zoning requirements to build a Single-Family home.

Multifamily

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

Streetview picture of 676 Huron Ave # 21, Cambridge, MA, 02138

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

2574721

Property Type

Residential

Zone

Res C-1

Year Built

1981

Lot Size

104,866 sq ft

Gross Building Area

39,253 sq ft

Gross Floor Area

20,487 sq ft

Estimated

Living Area

1,721 sq ft

Basement Area

0 sq ft

Impervious Surface

39,253 sq ft

Estimated
37.4%of lot coverage

ADU rules for Cambridge, MA

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 676 Huron Ave # 21, Cambridge, MA, 02138?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 900 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 5,122 sq ft allowed By Right, or possibly more by Special Permit.

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 Allowed
This property likely meets the zoning requirements to build a Single-Family home.

Multifamily

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

Streetview picture of 676 Huron Ave # 21, Cambridge, MA, 02138

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

2574721

Property Type

Residential

Zone

Res C-1

Year Built

1981

Lot Size

104,866 sq ft

Gross Building Area

39,253 sq ft

Gross Floor Area

20,487 sq ft

Estimated

Living Area

1,721 sq ft

Basement Area

0 sq ft

Impervious Surface

39,253 sq ft

Estimated
37.4%of lot coverage

ADU rules for Cambridge, MA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.