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What Are You Allowed to Build at 21 Atlantic St, 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)

Might be Allowed

This property may qualify for an Internal ADU of up to 1,250 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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 Not Allowed

The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.

Multi Family

Home Addition

Might be Allowed

The property may meet the zoning requirements to build a Home Addition up to 1,068 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Zoning Jurisdiction

BOSTON

Parcel ID

0701049000

Property Type

Single Family

Zone

Art68_MFR

Year Built

1890

Lot Size

1,387 sq ft

Gross Building Area

942 sq ft

Gross Floor Area

1,706 sq ft

Estimated

Living Area

1,706 sq ft

Basement Area

0 sq ft

Impervious Surface

942 sq ft

Estimated

67.9%of lot coverage

ADU rules for Boston, MA

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