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What Are You Allowed to Build at 223 Norfolk St, Cambridge, MA, 02139?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

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 223 Norfolk St, Cambridge, MA, 02139

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

8799

Property Type

Single Family

Zone

Res C-1

Year Built

1854

Lot Size

3,049 sq ft

Gross Building Area

921 sq ft

Gross Floor Area

2,007 sq ft

Estimated

Living Area

2,007 sq ft

Basement Area

0 sq ft

Impervious Surface

921 sq ft

Estimated
30.2%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 223 Norfolk St, Cambridge, MA, 02139?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

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 223 Norfolk St, Cambridge, MA, 02139

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

8799

Property Type

Single Family

Zone

Res C-1

Year Built

1854

Lot Size

3,049 sq ft

Gross Building Area

921 sq ft

Gross Floor Area

2,007 sq ft

Estimated

Living Area

2,007 sq ft

Basement Area

0 sq ft

Impervious Surface

921 sq ft

Estimated
30.2%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.