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Single Family Residence at 172 Brattle Street, Cambridge MA 02138, Cambridge
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$15,700,000

172 Brattle Street, Cambridge MA 02138
Cambridge, MA 02138
Listed by Maggie Gold Seelig
Bedrooms
7
Bathrooms
8.5
Living area
7,737 sqft
Year built
1880

About this home

Modern luxury meets history in this completely renovated home on coveted Brattle St in Harvard Square. Completely transformed by a local respected builder, this property seamlessly blends historic charm w/ modern convenience in its impeccable design and finishes. The main floor offers a grand staircase, high ceilings, spacious living and dining rooms, chef's kitchen w/ top appliances and adjacent family room, an oversized mudroom off the attached garage and 2 half baths. The 2nd level has a luxurious primary suite w/ spa-like bath and gracious dressing room, 5 ensuite bedrooms (or offices) and a large laundry room. The top floor hosts a versatile office/loft space and a half bath. The lower level is fully equipped w/ a gym, game room, family room, full bath, ample storage and guest suite w/ direct exterior access. The outdoor and indoor spaces blend seamlessly for easy living, w/ a spacious patio and beautiful yard designed by a celebrated landscape architect. A true Harvard Square gem

Highlights

Fireplace

Property details

MLS #
73342079
Property type
Single Family Residence
Subdivision
N/A
Status
Active
Days on market
581
On market date
March 6, 2025
Stories
N/A
Total bathrooms
8.5
Garage spaces
2
Parking spaces
4
Lot size
0.34 acres

Location

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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
John M Tobin
0.56 mi away · Grades -1-5
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
321
Student:teacher ratio
11.1:1
District
Cambridge
Middle
Vassal Lane Upper School
0.56 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
290
Student:teacher ratio
8.5:1
District
Cambridge
High
Cambridge Rindge and Latin
1.22 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
1,867
Student:teacher ratio
8.6:1
District
Cambridge

Walkability

Blended score for Cambridge'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).

85
Highly walkable
out of 100
EPA National Walkability Index
15.0 / 20 -- Above average walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores13
Parks20
Schools20
Transit stops20
Pharmacies7

Market position

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

On the market 581 days -- 490 more days than Cambridge's current average of 91 days.
For reference, the median list price across 1,013 active listings in Cambridge right now is $7,950.

Mortgage calculator

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Est. monthly payment
$94,697/mo
$3,140,000 down
$12,560,000 loan
Principal & interest$81,464
Property tax (est.)$13,083
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated July 5, 2026.

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.