For sale

$1,395,000

Est. $9,230/mo —

•

3,822

sq ft

128 Summer St, Watertown, MA 02472

About this home

Offered for the first time in more than 80 years, this classic circa-1857 Mansard-style three-family, with more than 3,800 sf of living space, presents a value-add opportunity for owner-occupants, investors, developers, and alike. Ready for its next chapter, the property offers the opportunity to restore to its original architectural charm or explore a range of possibilities, including condominium conversion and building expansion. The generous 12,550-square-foot lot with six off-street parking spaces further enhances the property's significant upside development appeal and long-term investment potential. Ideally located just a few blocks from vibrant Watertown Square, offering easy access to restaurants, cafés, the public library, banks, pharmacies, and everyday amenities. Roughly one mile from Exit 127 off the Massachusetts Turnpike at Newton Corner, the location provides excellent commuter access to Cambridge, Downtown Boston and Logan International Airport.

Multi-familyProperty Type

1857Year Built

0.29 acresLot Size

$365Price/Sq.Ft.

6 spacesParking

Listed by Jerry Mazzeo • All Star Realty, Inc.

Listed by Andrew Mazzeo • All Star Realty, Inc.

Listing updated: Oct 5, 2026 at 03:08am

Redfin checked: 3 minutes ago

•Source:MLS PIN #73585274

Payment calculator

$9,230 per month

Principal and interest$7,803

Property taxes

$1,240

HOA dues

Home insurance

$186

Utilities

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Open houses

No upcoming open houses.

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Around this home

Schools

K - 12
Preschool & daycare

J.R. Lowell Elementary School

Public PreK-5 • Assigned • 0.6mi

8/10

Watertown Middle School

Public 6-8 • Assigned • 0.3mi

7/10

Watertown High School

Public 9-12 • Assigned • 0.4mi

6/10

Provided by GreatSchools

About Watertown West

End

Watertown West End, located between the Charles River and Belmont, is a residential and commercial Watertown neighborhood with riverfront paths and a low-rise streetscape. The neighborhood’s character concentrates around Arsenal St at School St, where sidewalk storefronts, coffee counters, and small studios meet steady foot traffic. Community pillars include the Mosesian Center for the Arts, the Majestic 7 movie theater, and the Watertown Free Public Library. Brick mill buildings and mid-century apartment blocks mix with compact side streets of classic New England houses. The Charles River Greenway frames daily routines with long views and bike flow. Arsenal Yards adds a modern plaza feel without overpowering the older fabric.

Provided by Walk Score and Local Logic

Offer insights

128 Summer St · $1,395,000

Strong offer

$1.46M and above

75% chance or better to win

Why $1.46M+ is a strong offer

DAYS ON MARKET

The average home goes pending in 29 days.

SALE-TO-LIST

Most homes are selling 0% above list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Interior features
Living room
Kitchen
Sunroom
Living room / Dining room combo
Total of 14 rooms

Bedrooms
Three-unit property with individually leveled units (unit layouts vary)

Bathrooms
3 full bathrooms

Kitchen
Range
Dishwasher
Refrigerator

Laundry & utility
No specific laundry details provided

Flooring
Wood floors

Heating & cooling
Hot water heating
Oil fuel
Heating present

Sale and tax history for 128 Summer St

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2025

$13,151 (+5.1%)

$519,900 + $606,000

$1,125,900

2024

$12,517 (−11.7%)

$523,100 + $546,700

$1,069,800

2023

$14,171 (+9.0%)

$506,500 + $537,000

$1,043,500

2022

$13,004 (+11.4%)

$454,500 + $526,900

$981,400

2021

$11,673 (+3.2%)

$446,100 + $506,800

$952,900

2020

$11,313 (−0.4%)

$429,400 + $502,500

$931,900

2019

$11,359 (+5.9%)

$412,700 + $469,200

$881,900

2018

$10,722 (+6.2%)

$366,800 + $429,200

$796,000

2017

$10,099 (+7.5%)

$366,800 + $360,300

$727,100

2016

$9,394 (+9.7%)

$329,300 + $357,400

$686,700

2015

$8,561 (+0.5%)

$312,600 + $257,000

$569,600

2014

$8,521 (+1.9%)

$312,600 + $257,000

$569,600

2013

$8,362 (+8.7%)

$312,600 + $257,000

$569,600

2012

$7,691 (+7.6%)

$277,100 + $257,000

$534,100

2011

$7,145 (+0.2%)

$277,100 + $236,200

$513,300

2010

$7,129 (−6.1%)

$291,700 + $243,900

$535,600

2009

$7,590

$328,200 + $291,900

$620,100

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.29 Acres

Year renovated

—

Finished Sq. Ft.

3,822

Unfinished Sq. Ft.

—

Total Sq. Ft.

3,822

Year built

1865

Style

Multi-Family (2-4 Unit)

County

Middlesex County

APN

848060

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 17, 2026.

Local insights from Redfin agents

Watertown's urban-suburban feeling paired with its proximity to Cambridge & Boston have caused it to rapidly transform into a destination for home buyers. Historically a manufacturing city, it has changed into a restaurant, shopping, and biotech hub...
2 weeks ago • Watertown
Benjamin Ginsburg
Redfin Premier agent
155 deals
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Watertown’s market has exploded in recent years, with high home prices. Located close to Boston, it offers the perfect balance of a seamless urban commute and the tranquility of suburban living. Enhanced by flexible MBTA bus options and its location...
3 weeks ago • Watertown
Kyle MacNichol
Redfin Premier agent
57 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 96° expected this year, 15 days in 30 years

6/10 Wind Factor

54% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Watertown, MA • 02472

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 128 Summer St

$1,397,752

$2,752 over list price of $1.40M

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $1.1M to $1.4M.

SOLD OCT 5, 2026
$1,327,000 Last sold price
6 beds3 baths4,285 sq ft
28 Morse St, Watertown, MA 02472
$55/sq ft
smaller lot
43 years newer
SOLD SEP 30, 2026
$1,302,500 Last sold price
4 beds2 baths3,347 sq ft
39 Green St, Watertown, MA 02472
$24/sq ft
smaller lot
23 years newer
SOLD AUG 21, 2026
$1,200,000 Last sold price
6 beds2 baths2,592 sq ft
26-28 Desmond Ave, Watertown, MA 02472
$98/sq ft
smaller lot
103 years newer
SOLD JUN 30, 2026
$1,365,000 Last sold price
4 beds2.5 baths2,093 sq ft
32 Marcia Rd, Watertown, MA 02472
$287/sq ft
smaller lot
68 years newer
SOLD JUL 17, 2026
$1,100,000 Last sold price
4 beds2.5 baths2,128 sq ft
52-54 Loomis Ave, Watertown, MA 02472
$152/sq ft
smaller lot
93 years newer
SOLD AUG 5, 2026
$1,320,000 Last sold price
3 beds3 baths1,650 sq ft
48 Beacon Park, Watertown, MA 02472
$435/sq ft
smaller lot
63 years newer

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