
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
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!
Key facts
It was listed on May 11, 2026. The annual property taxes are $79,252 (2026 tax year). It sits on a 0.34-acre (14,657 sq ft) lot.
Open Houses
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
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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
Questions about this home
When was 11 Brown Street, Cambridge listed?
11 Brown Street, Cambridge was listed on May 11, 2026.
Has the price of 11 Brown Street, Cambridge changed?
The price hasn't changed since it was listed at $12,995,000.
What are the property taxes for 11 Brown Street, Cambridge?
The annual property taxes for 11 Brown Street, Cambridge are $79,252 (2026 tax year).
How big is the lot at 11 Brown Street, Cambridge?
11 Brown Street, Cambridge sits on a 0.34-acre (14,657 sq ft) lot.
What is the status of 11 Brown Street, Cambridge?
11 Brown Street, Cambridge is actively listed for sale.
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
2,698 housing units permitted in the last 12 months (+3% vs the prior 12 months) — 1,713 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '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









