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What Are You Allowed to Build at 201 Brookline St Unit 5, Cambridge, MA, 02139?

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 1,174 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 201 Brookline St Unit 5, Cambridge, MA, 02139

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

97735

Property Type

Residential

Zone

SD-9

Year Built

1920

Lot Size

11,994 sq ft

Gross Building Area

8,138 sq ft

Gross Floor Area

4,694 sq ft

Estimated

Living Area

1,250 sq ft

Basement Area

0 sq ft

Impervious Surface

8,138 sq ft

Estimated
67.8%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 201 Brookline St Unit 5, Cambridge, MA, 02139?

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 1,174 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 201 Brookline St Unit 5, Cambridge, MA, 02139

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

97735

Property Type

Residential

Zone

SD-9

Year Built

1920

Lot Size

11,994 sq ft

Gross Building Area

8,138 sq ft

Gross Floor Area

4,694 sq ft

Estimated

Living Area

1,250 sq ft

Basement Area

0 sq ft

Impervious Surface

8,138 sq ft

Estimated
67.8%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.