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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 gym, 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.

More Info

Basic Information

  • Bedrooms6
  • Mls StatusActive
  • Bathroom7
  • Lot Features Cul-De-Sac, Level
  • Parcel Number M:00220 L:00163,415943
  • Road Frontage DescriptionPaved

Tax Information

  • Tax Assessed Value $11,881,900
  • Tax Year 2026
  • Taxes$79,252

Parking

  • Parking Spaces6
  • Covered Spaces 2
  • Garage YN Yes
  • Open Parking YN Yes
  • Parking Features Detached, Paved Drive, Off Street, Paved

Rooms

  • Bathrooms Total Decimal 6.5
  • Bedroom 2 Second
  • Bedroom 3 Second
  • Bedroom 4 Second
  • Bedroom 5 First
  • Dining Room First
  • Family Room First
  • Full Bath6
  • Half Baths1
  • Kitchen First
  • Living Room First
  • Master Bedroom Second

Basic Information

  • List Price$12,995,000
  • MLS Number73516411
  • Modification Date06/02/2026
  • Property SubTypeSingle Family Residence
  • Virtual TourView Tour

Location

  • NeighborhoodHarvard Square
  • SubdivisionHarvard Square
  • Address11 Brown Street
  • Building Number11
  • CountyMiddlesex
  • StateMA
  • StreetBrown Street
  • TownCambridge
  • Zip02138

Building

  • BasementFull, Finished, Walk-Out Access, Interior Entry
  • Building Area Units Square Feet
  • FireplaceYes
  • Fireplaces Total 2
  • FoundationConcrete Perimeter
  • Garage Spaces2
  • Patio And Porch Features Deck, Patio
  • Property StyleColonial, Contemporary
  • Rooms10
  • Year Built2024
  • Year Built Details Approximate
  • Year Built Source Owner

Property

  • Acreage0.34

Interior

  • Interior Features
    • Exercise Room
    • Game Room
    • Media Room
    • Sauna/Steam/Hot Tub
    • Wet Bar
    • Wired for Sound

Exterior

  • Exterior Features
    • Deck
    • Fenced Yard
    • Garden
    • Patio
    • Professional Landscaping
    • Sprinkler System
  • Fencing Fenced/Enclosed, Fenced
  • RoofSlate, Rubber

Utilities

  • Cooling Heat Pump
  • Cooling YN Yes
  • Heat SystemYes
  • Heating Forced Air, Heat Pump, Natural Gas, Hydro Air
  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Square Feet7,258
  • Building Area Source Measured
  • Living Area 7,258
  • Lot Size Square Feet 14,657
  • Lot Size Units Acres

Amenities

  • Amenities
    • Bike Path
    • Conservation Area
    • Highway Access
    • House of Worship
    • Marina
    • Medical Facility
    • Park
    • Private School
    • Public School
    • Public Transportation
    • Shopping
    • T-Station
    • Tennis Court(s)
    • University
    • Walk/Jog Trails

Legal

  • ZoningA-2

Other

  • Date Listed05/11/2026
  • Farm Land Area Units Square Feet
  • View Count8

Map Location

Driving Directions

Listed by Beth Dickerson of Gibson Sotheby's International Realty

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