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What Are You Allowed to Build at 277 W Third St 2, Boston, MA, 02127?

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 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

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

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

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 2,577 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 277 W Third St 2, Boston, MA, 02127

Zoning Jurisdiction

BOSTON

Parcel ID

0601616004

Property Type

Residential

Zone

Art68_MFR

Year Built

1890

Lot Size

1,738 sq ft

Gross Building Area

922 sq ft

Gross Floor Area

900 sq ft

Estimated

Living Area

878 sq ft

Basement Area

0 sq ft

Impervious Surface

922 sq ft

Estimated
53.0%of lot coverage

ADU rules for Boston, 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 277 W Third St 2, Boston, MA, 02127?

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 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

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

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

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property by up to 2,577 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 277 W Third St 2, Boston, MA, 02127

Zoning Jurisdiction

BOSTON

Parcel ID

0601616004

Property Type

Residential

Zone

Art68_MFR

Year Built

1890

Lot Size

1,738 sq ft

Gross Building Area

922 sq ft

Gross Floor Area

900 sq ft

Estimated

Living Area

878 sq ft

Basement Area

0 sq ft

Impervious Surface

922 sq ft

Estimated
53.0%of lot coverage

ADU rules for Boston, MA

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

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