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What Are You Allowed to Build at 21 Auburn St, Boston, MA, 02129?

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

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

Probably Allowed

We estimate you can expand this property by up to 1,517 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

Zoning Jurisdiction

BOSTON

Parcel ID

0201100000

Property Type

Single Family

Zone

Art62_RH-1500

Year Built

1875

Lot Size

1,028 sq ft

Gross Building Area

539 sq ft

Gross Floor Area

539 sq ft

Estimated

Living Area

539 sq ft

Basement Area

0 sq ft

Impervious Surface

539 sq ft

Estimated

52.4%of lot coverage

ADU rules for Boston, MA

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