# 401 W 4th St, Boston, MA 02127

> **TL;DR:** 5bd/5ba single family, $1,249,000 ($447/sqft), built 1900, 2,795 sqft. Est. $5,412/mo. Listed 1 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $1,249,000 |
| Price/sqft | $447 |
| Bedrooms | 5 |
| Bathrooms | 5 full |
| Square Feet | 2,795 |
| Year Built | 1900 |
| Lot Size | 1,490 sqft (0.03 acres) |
| Property Type | Single Family (Single Family Residence) |
| Status | For Sale |
| Days on Market | 1 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $5,412 |
| **Total** | **$5,412** |

## Property Highlights

- Built in 1900
- 0.03 acre lot

## Description

### Agent Description
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.

## Location

- **Address:** 401 W 4th St, Boston, MA 02127
- **County:** Suffolk
- **Coordinates:** 42.336133, -71.048914
- **Google Maps:** https://www.google.com/maps?q=42.336133,-71.048914

## Listing Agent

- **Name:** Keller Williams
- **Brokerage:** Keller Williams Realty
- **Phone:** (617) 969-9000
- **Email:** agentservices@kwchestnuthull.com

## Primary Photo

![401 W 4th St - Primary Photo](http://lh.rdcpix.com/e843bd23bb97be15e8c86a243ab4f61dl-f1396790839r.jpg)

*11 total photos available on [listing page](https://www.propertysimple.com/listing/401-w-4th-st-boston-ma-02127-73532774)*

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**MLS#:** 73532774 | **Updated:** 2026-06-17
**Source:** listhub

*Copyright © 2026 MLS Property Information Network Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.com/listing/401-w-4th-st-boston-ma-02127-73532774)

---

## Structured Data

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  "@type": "RealEstateListing",
  "name": "401 W 4th St, Boston, MA 02127",
  "description": "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 ren",
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  "datePosted": "2026-06-17",
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```