
11 Brown Street Cambridge — Photo 1 of 36
$12,995,000
11 Brown Street, Cambridge, MA 02138
Cambridge, MA 02138 — Harvard Square
Beds
6
Baths
6.5
SqFt
7,258
Style
Single Family
Built
2024
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!
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Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Cambridge, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Medical Facility
Geography
Floorplan Breakdown
Structural Layout
Living Room
Lvl FirstDining Room
Lvl FirstKitchen
Lvl FirstFamily Room
Lvl FirstPrimary Bedroom
Lvl SecondBedroom 2
Lvl SecondBedroom 3
Lvl SecondBedroom 4
Lvl SecondBedroom 5
Lvl FirstProperty History
$12,995,000
May 11, 2026
MLS® 73516411
$14,450,000
Nov 25, 2025
MLS® 73343401
$14,450,000
Mar 10, 2025
MLS® 73343401
$16,495,000
Nov 26, 2024
MLS® 73239507
$16,495,000
May 16, 2024
MLS® 73239507
Population
38,509
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$120K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
58.1%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,667 housing units permitted in the last 12 months (-2% vs the prior 12 months) — 1,709 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jun '26)
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 7,258 sq ft principal dwelling). Lot size: 14,657 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: Beth Dickerson
Listing Office: Gibson Sotheby's International Realty
MLS® Number: 73516411
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