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What Are You Allowed to Build at 137 Saint Alphonsus St, Boston, MA, 02120?

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 1,250 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed

This property likely meets the zoning requirements to build a swimming pool. 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 up to 9,441 sq ft of zoning-counted floor area Illegal, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Probably Allowed

We estimate you can expand this property by up to 4,959 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

1000615000

Property Type

Three Family

Zone

Art59_CC

Year Built

1905

Lot Size

3,146 sq ft

Gross Building Area

2,079 sq ft

Gross Floor Area

4,482 sq ft

Estimated

Living Area

4,482 sq ft

Basement Area

0 sq ft

Impervious Surface

2,079 sq ft

Estimated

66.1%of lot coverage

ADU rules for Boston, MA

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