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54 Days on market
401 W 4th St Boston — Photo 1 of 11

401 W 4th St Boston — Photo 1 of 11

$1,199,000

Investment Analysis — 401 W 4th St

Boston, MA 02127 — South Boston

Based on rent reported on the MLS listing, a 2-unit multi-family in 02127 carries $5,000/mo in gross rent — about a 2.95% cap rate and $35,378/yr in estimated NOI at the $1,199,000 list price. Adjust every assumption in the calculator below.

View Standard Listing

Beds

5

Baths

5

SqFt

2,795

Style

Multi Family

Built

1900

Amazing opportunity to develop a single family to a 4 floor two family with approved plans included in the sale. The building currently features 3 floors of living space, 4 bedrooms, and a partially finished walk out basement delivered vacant. The plans have both units being coveted duplexes with generous square footage and the ability to extend the living area even further by maximizing the by right FAR of 2.0. Buyer has the ability to flip as condos or hold for great rental returns.

Estimates — not financial advice

These figures are illustrative estimates for informational purposes only — not an appraisal, valuation, or guarantee of rent, income, or returns, and not financial, tax, or investment advice. Rent is either the figure reported on the MLS listing — in-place rent that may differ from market and is not verified against the actual leases — or, where the listing reports none, an estimate from HUD Small Area Fair Market Rents, a government benchmark that may differ from actual market rent. Each figure is labelled with its source. Cap rate, NOI, and returns depend on the assumptions shown, which you can change. MLS and other third-party data may be inaccurate or out of date. Verify all figures independently and consult your own financial, tax, and legal advisors before making any investment decision.

Property Details

Financials

Original Price$1,199,000
Annual Taxes$10,222

Parking

Garage0
Off-Street0

Interior Specifications

Total Rooms11
FireplacesNone
Flooring--
BasementPartially Finished

Climate & Utilities

Heating--
Cooling--
WaterPublic
SewerPublic Sewer

Building & Exterior

Construction--
RoofShingle, Rubber
FoundationOther
ZoningR1

Property & Lot

Acres0.03
SqFt Lot1,488
Lot FeaturesGentle Sloping

Geography

Property History

Listed
$1,199,000

Aug 13, 2026

MLS® 73563437

Expired
$1,199,000

Aug 8, 2026

MLS® 73532773

Expired
$1,199,000

Aug 8, 2026

MLS® 73532774

Listed
$1,199,000

Jun 9, 2026

MLS® 73532773

Listed
$1,199,000

Jun 9, 2026

MLS® 73532774

Listing Provided By

Listing Agent: Calder Billings

Listing Office: Keller Williams Realty

MLS® Number: 73563437