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What Are You Allowed to Build at 21 Washington St, Somerville, MA, 02145?

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 516 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

Might be Allowed

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

Multi Family

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

Zoning Jurisdiction

SOMERVILLE

Parcel ID

105C19A

Property Type

Other

Zone

MR3

Year Built

1925

Lot Size

1,149 sq ft

Gross Building Area

1,497 sq ft

Gross Floor Area

1,032 sq ft

Estimated

Living Area

568 sq ft

Basement Area

0 sq ft

Impervious Surface

568 sq ft

Estimated

49.4%of lot coverage

ADU rules for Somerville, MA

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