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Single Family Residence at 9 Mt Auburn St, Cambridge MA 02138, Cambridge
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33 photos

$3,398,000

9 Mt Auburn St, Cambridge MA 02138
Cambridge, MA 02138
Listed by Jessica Ye
Bedrooms
5
Bathrooms
4.5
Living area
2,870 sqft
Year built
2026

About this home

Award-winning design and craftsmanship define this exceptional 2,870 SF residence, thoughtfully reimagined in the heart of Harvard Square. This refined 10RM,5BR,4.5BA residence, originally designed by Graham Gund, showcases elevated design &top-tier materials.The kitchen is a true centerpiece w/Thermador appliances, pot filler,sleek custom European cabinetry &Taj-Mahal quartz w/island that flows seamlessly into the open living areas.The Living RM is anchored by custom built-ins &fireplace.The home offers exceptional privacy w/2 primary suites,including a 3rd flr sanctuary w/skylights, wet-bar& Porcelanosa spa inspired bath/soaking tub.The 2nd ensuite BR is located on the 2nd flr.A flexible 3RM LL au pair suite w/separate appliances-laundry provides a serene retreat for short/long term guests. Sonos sys.Private patio.Minutes to Harvard University &Charles River.No expense spared in this trophy asset that defines modern, sophisticated urban living at its finest.

Highlights

Fireplace

Property details

MLS #
73510146
Property type
Single Family Residence
Subdivision
N/A
Status
Active
Days on market
161
On market date
April 30, 2026
Stories
N/A
Total bathrooms
4.5
Garage spaces
N/A
Parking spaces
1
Lot size
0.03 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
Martin Luther King Jr.
0.27 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
323
Student:teacher ratio
9.5:1
District
Cambridge
Middle
Putnam Avenue Upper School
0.25 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
262
Student:teacher ratio
7.5:1
District
Cambridge
High
Cambridge Rindge and Latin
0.28 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).

88
Highly walkable
out of 100
EPA National Walkability Index
16.0 / 20 -- Most walkable
Google Places amenity density
100 / 100
Restaurants & cafes20
Grocery stores18
Parks20
Schools20
Transit stops20
Pharmacies14

Market position

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

On the market 161 days -- 70 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
$20,613/mo
$679,600 down
$2,718,400 loan
Principal & interest$17,631
Property tax (est.)$2,832
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated June 25, 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.