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$12,800,000
178 Days On Site

11 Brown Street
Cambridge, MA 02138

For Sale|Single Family Residence|Active
6
Beds
7
Total Baths
6
Full Baths
1
Partial Bath
7,258
SqFt
$1,764
/SqFt
2024
Built
County:
Middlesex
Call Now: (860) 402-5872
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(860) 402-5872
11 Brown Street11 Brown Street11 Brown Street11 Brown Street
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Hidden in plain sight. Designed to blend discreetly into its traditional Cambridge neighborhood, 11 Brown Street offers no hint of the extraordinary world within. Its discretion bespeaks a quiet confidence: luxury measured not by outward display, but by the quality of life experienced inside. Conceived in collaboration with Mariana Ibañez, Chair of UCLA’s Department of Architecture and Urban Design, the home unfolds through luminous spaces, sculptural forms, and intimate connections to nature. Generous proportions retain a human scale, while rich natural materials, exquisite craftsmanship, and carefully orchestrated light create an atmosphere both exhilarating and tranquil. As daylight moves through the home, shifting perspectives reveal new moments of wonder. A serene library and upper-level family room offer inviting retreats, while two distinctive fire features bring warmth and drama. Thoughtfully arranged spaces for cooking, dining, and entertaining celebrate the intimate pleasures of gatherings large and small. Sumptuous baths and a private spa with sauna and steam offer restoration, while sophisticated technology works intuitively in the background to enrich daily life. A main-level suite with private entrance provides flexibility for guests or multigenerational living. The garden level offers media and fitness spaces, a second kitchen, and an au pair suite. Indoors and out flow seamlessly into expansive, tree-framed grounds, with unusually long, private views just blocks from Harvard Square. This private oasis reveals its enchantments only to those invited within. A truly extraordinary setting in which to practice the art of living deeply.

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Listing Snapshot
Price 
$12,800,000
Days On Site 
178 Days
Bedrooms 
6
Inside Area (SqFt) 
7,258 sqft
Total Baths 
7
Full Baths 
6
Partial Baths 
1
Lot Size 
0.34 Acres
Year Built 
2024
MLS Number 
73516411
Status 
Active
Property Tax 
$79,252
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
yesterdayListing updated with changes from the MLS
yesterdayPrice changed to $12,800,000
yesterdayStatus changed to Active
6 months agoListing first seen on site
General Features
Acres 
0.34
Disclosures 
Taxes do not reflect residential exemption
Foundation 
Concrete Perimeter
Garage 
Yes
Garage Spaces 
2
Parking 
PavedDetachedOff Street
Parking Spaces 
6
Property Sub Type 
Single Family Residence
Sewer 
Public Sewer
SqFt Above 
5093
SqFt Below 
2165
SqFt Total 
7258
Style 
ColonialContemporary
Water Source 
Public
Zoning 
A-2
Interior Features
Basement 
FullFinishedWalk-Out AccessInterior Entry
Cooling 
Heat Pump
Fireplace 
Yes
Fireplaces 
2
Heating 
Natural GasHeat PumpForced Air
Interior 
Wet BarWired for Sound
Bedroom 2 
Level - Second
Bedroom 3 
Level - Second
Bedroom 4 
Level - Second
Bedroom 5 
Level - First
Dining Room 
Level - First
Family Room 
Level - First
Kitchen 
Level - First
Living Room 
Level - First
Master Bedroom 
Level - Second
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Exterior Features
Exterior 
Garden
Fencing 
Fenced
Lot Features 
Cul-De-SacLevelLandscaped
Patio And Porch 
DeckPatio
Roof 
SlateRubber
Community Features
Community Features 
Tennis Court(s)Park
MLS Area 
Harvard Square
Roads 
Paved
Listing courtesy of Beth Dickerson of Gibson Sotheby's International Realty



The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords, and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing, leasing or renting listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing, leasing or renting. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

Last checked 2026-11-06 03:05 PM UTC

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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