3 Family - 3 Units Up/Down at 128 Summer St, Watertown MA 02472, Watertown
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$1,395,000

128 Summer St, Watertown MA 02472
Watertown, MA 02472
Listed by Jerry Mazzeo
Bedrooms
7
Bathrooms
3
Living area
3,822 sqft
Year built
1857

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.

Property details

MLS #
73585274
Property type
3 Family - 3 Units Up/Down
Subdivision
N/A
Status
Active
Days on market
1
On market date
October 1, 2026
Stories
3
Total bathrooms
3
Garage spaces
N/A
Parking spaces
6
Lot size
0.29 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card (e.g. NC Dept. of Public Instruction, SC Report Card).

Elementary
James Russell Lowell
0.55 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
359
Student:teacher ratio
8.3:1
District
Watertown
Middle
Watertown Middle
0.36 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
531
Student:teacher ratio
9.8:1
District
Watertown
High
Watertown High
0.43 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
705
Student:teacher ratio
9.5:1
District
Watertown

Walkability

Blended score for Watertown's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

88
Highly walkable
out of 100
EPA National Walkability Index
16.0 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores8
Parks20
Schools20
Transit stops20
Pharmacies9

Market position

How this listing compares to current activity in Watertown, from live MLS data.

On the market 1 days -- 76 fewer days than Watertown's current average of 77 days.
For reference, the median list price across 334 active listings in Watertown right now is $6,125.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$8,551/mo
$279,000 down
$1,116,000 loan
Principal & interest$7,238
Property tax (est.)$1,163
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 12 hr ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.