401 W 4th St, Boston MA 02127

Boston, MA 02127 • South Boston

$1,249,000

Est. $7,367/month

Beds

Baths

2,795

Sq Ft

$447

Price/Sq Ft

0.03

Acres

1900

Year Built

Multi Family

Type

Days on Market

Active Listed Jun 9, 2026 • MLS# 73532773 Copied!

About this home

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 with tenants in place until August 2026. 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.

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Public Records & Permits

Property Overview

Property Type

Multi Family

Listing Type

For Sale

Year Built

1900

Bedrooms

Full Bathrooms

Living Area

2,795 sq ft

Total Rooms

Stories

Levels

Facts & Features

Home Facts

Type Residential Income

Style Multi Family

Year Built 1900

Living Area 2,795 sq ft

Lot Size 0.03 acres

Bedrooms 5

Full Baths 5

Total Rooms 11

Interior

Heating None

Cooling None

Flooring None

Appliances None

Fireplace None

Basement Partially Finished

Laundry None

Features None

Exterior

Construction None

Architecture None

Roof Shingle, Rubber

Features None

Pool None

Spa None

Fencing None

Patio/Porch Enclosed, Patio

Parking

Features None

Utilities

Electric None

Water Public

Sewer Public Sewer

Gas None

Other None

Financial

Annual Tax $10,222

Assessed Value $882,700

Interior Features

Flooring:

Appliances:

Interior Features:

Windows:

Basement: Partially Finished

Laundry:

Security:

Construction & Materials

Year Built: 1900

Structure Type:

Exterior Materials:

Roof: Shingle, Rubber

Foundation: Other

Stories: 4

Heating, Cooling & Utilities

Heating:

Cooling:

Hot Water: Natural Gas

Water Source: Public

Sewer: Public Sewer

Energy Features:

Exterior & Lot

Exterior Features:

Patio & Porch: Enclosed, Patio

Fencing:

Other Structures:

Lot Features: Gentle Sloping

Road Surface:

Parking & Garage

Parking Features:

Location

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Neighborhood

South Boston

401 W 4th St, Boston MA 02127

Boston, MA 02127

Walkability

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Nearby Schools

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Principal & Interest $0

Property Tax $852

Homeowners Insurance $200

PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0

Total principal paid $0

Total interest paid $0

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Interest

Principal

Year 1

95% Interest

Year 15

50/50

Year 30

95% Principal

* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Property History

Property Timeline

🏠

Listed for Sale

Jun 9, 2026

$1,249,000

Original listing

Agent: Calder Billings Office: Keller Williams Realty

Date	Event	Price	Change	$/sqft	Details
06/09/2026	🏠 Listed for Sale	$1,249,000	-	-	Original listing

Price & Status History

Date	Event	Price	Change
Jun 13, 2026	Sold	$1,249,000	—
Jun 9, 2026	New Listing Added	$1,249,000	—

Market Statistics

Days on Market

20 days

Price per Sq Ft

$447

Tax History

Year	Taxes	Assessment
2025	$10,222	$882,700

Financial Details

Annual Property Tax

$10,222

Tax Year 2025

Assessed Value

$882,700

Listing Information

Listing Agent Calder Billings

Listing Office Keller Williams Realty

Agent MLS ID CN217368

Office MLS ID BB5962

Listing Data Updated Jun 13, 2026 3:05 AM EDT

Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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Listed for Sale

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401 W 4th St, Boston MA 02127

About this home

Public Records & Permits

Property Overview

Facts & Features

Home Facts

Interior

Exterior

Parking

Utilities

Financial

Interior Features

Construction & Materials

Heating, Cooling & Utilities

Exterior & Lot

Parking & Garage

Location

Neighborhood

Walkability

Nearby Schools

Monthly Payment Calculator

Monthly Payment Breakdown

Loan Summary

Rate Impact

Payment Over Time

Property History

Property Timeline

Listed for Sale

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Price & Status History

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