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What Are You Allowed to Build at 201 Vassar 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)

Might be Allowed
This property may qualify for an Internal ADU of up to 4,591 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 201 Vassar St, Cambridge, MA, 02139

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

5516

Property Type

Other

Zone

SD-6

Year Built

1915

Lot Size

21,780 sq ft

Gross Building Area

20,792 sq ft

Gross Floor Area

18,365 sq ft

Estimated

Living Area

15,938 sq ft

Basement Area

0 sq ft

Impervious Surface

15,938 sq ft

Estimated
73.2%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 201 Vassar 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)

Might be Allowed
This property may qualify for an Internal ADU of up to 4,591 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Might be Allowed
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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 201 Vassar St, Cambridge, MA, 02139

Zoning Jurisdiction

CAMBRIDGE

Parcel ID

5516

Property Type

Other

Zone

SD-6

Year Built

1915

Lot Size

21,780 sq ft

Gross Building Area

20,792 sq ft

Gross Floor Area

18,365 sq ft

Estimated

Living Area

15,938 sq ft

Basement Area

0 sq ft

Impervious Surface

15,938 sq ft

Estimated
73.2%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.