11 Brown Street

Cambridge, MA
$ 12,995,000 Beds 6 Baths 6.5 Sq 7,258 Virtual Tour
Monthly Estimate* How much can I afford?

The privacy and grounds of a suburban estate, two blocks from the Charles River and minutes from Harvard Square. A masterpiece by Cafasso Design Group, this architectural work of art redefines luxury living. Tucked within a coveted enclave off Brattle Street, this home unfolds across lush, sculpted grounds framed by mature trees, offering an unparalleled serene retreat. A striking sculptural staircase serves as the dramatic centerpiece, while interiors masterfully blend contemporary Japanese, Scandinavian, Italian, and French influences.The eat-in chef’s kitchen features custom Italian walnut cabinetry, Calacatta Gold marble counters, dual sinks & dishwashers, a Gaggenau 400 Series double oven, and walls of glass. Generous bedrooms and spa-inspired baths deliver sanctuary, complemented by a glass-enclosed office and a family room featuring a floating gas fireplace. A dedicated lifestyle level boasts a guest suite and inviting spa with a Western Red Cedar sauna & steam shower. Outside, manicured grounds surround an outdoor kitchen, expansive deck, and inviting patio perfect for entertaining. You won't believe whats behind the front door!

Active

  • Price
  • $ 12,995,000
  • City
  • Cambridge
  • Bedrooms
  • 6
  • Full Bathrooms
  • 6
  • County
  • MIDDLESEX
  • Half Bathrooms
  • 1
  • Area
  • Harvard Square
  • Lot Size
  • 0.34 Acres
  • Zip
  • 02138
  • Sqr Footage
  • 7,258
  • Year Built
  • 2024
  • Taxes
  • $ 79252
  • Style
  • Colonial,Contemporary
  • MLS#
  • 73516411
Listed By: Beth Dickerson with Gibson Sotheby's International Realty.
Data Source: Massachusetts MLS Property Info Network (MLSPIN)

Features

General

Sewer Public Sewer
Heating Forced Air,Heat Pump,Natural Gas,Hydro Air
Cooling Heat Pump
Roof Slate,Rubber
Zoning A-2
Garage Spaces 2
Patio/Porch Features Deck,Patio
Architectural Style Colonial,Contemporary
Year Built 2024
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number M:00220 L:00163,415943
Community Features Public Transportation,Shopping,Tennis Court(s),Park,Walk/Jog Trails,Medical Facility,Bike Path,Conservation Area,Highway Access,House of Worship,Marina,Private School,Public School,T-Station,Universi
County Middlesex
Property Type Residential
HOA No
Attached Garage No
Garage Y/N Yes
Waterview No
Total Rooms 10
Full Baths 6
Status Active
Directions Quiet one way off Brattle Street
City Cambridge
Disclosures Taxes do not reflect residential exemption
Senior Community Y/N No
MLS Area Harvard Square
Lot Size Units Acres
Lot Size Square Feet 14657
Carport Y/N No
Property Attached Y/N No
Year Built Details Approximate
Tax Annual Amount 79252
Home Warranty Y/N No
Building Area Units Square Feet
Primary Bedroom Level Second
Standard Status Active
Year Built Source Owner
Tax Assessed Value 11881900
Certified Treated Unknown

Interior Features

Interior Amenities Exercise Room,Game Room,Media Room,Sauna/Steam/Hot Tub,Wet Bar,Wired for Sound
Basement Full,Finished,Walk-Out Access,Interior Entry
Total Fireplaces 2
Kitchen Level First
Air Conditioning Y/N Yes
Heating Y/N Yes
Fireplace Y/N Yes
Above Grade Finished Area 5093
Half Baths 1
Total Bedrooms 6
Below Grade Finished Area 2165
Living Room Level First
LivingAreaSource Measured
Total Baths 7
Primary Bathroom Features Yes
Family Room Level First
Dining Room Level First
Bedroom 5 Level First
Bedroom 4 Level Second
Bedroom 3 Level Second
Second Bedroom Level Second

Exterior Features

Exterior Amenities Deck,Patio,Professional Landscaping,Sprinkler System,Fenced Yard,Garden
Fencing Fenced/Enclosed,Fenced
Parking Features Detached,Paved Drive,Off Street,Paved
Lot Features Cul-De-Sac,Level
Water Source Public
Total Parking 6
Lot Size Area 0.34
Foundation Details Concrete Perimeter
Spa No
Building Area Total 7258
Lot Size Acres 0.34
Road Surface Type Paved
Waterfront Y/N No
Covered Spaces 2

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the North Andover, MA office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Unknown Elementary School
Middle School Unknown Middle School
High School Unknown High School

Price History

5/12/2026 Listed $12,995,000

Property vs Zip Code Average in 02138

Price
AVG $6.32M
$13M
Taxes
AVG $37,726
$79,252
Year Built
AVG 1895
2024
Visits
AVG 158
122
Data Provided by Inside Real Estate®

11 Brown Street Cambridge, MA is a Single Family Home for sale at $12995000 with 7258 sqft and a lot size of 0.34 Acres Acre(s). 11 Brown Street Cambridge has 6 bedrooms, 6 baths and was built in 2024. The property's zip code is 02138 which is in Cambridge, MA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.