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About this home
Gracious south-facing Back Bay penthouse in the historic Hotel Agassiz, an 1872 Gothic Revival landmark by Weston and Reed, one of Back Bay's first "French Flats" buildings. Enter via a marble octagonal lobby with door attendant service to this meticulously restored, sun-filled 4,072 square foot, 3-plus-bedroom, 3.5 bathroom residence. A grand, skylit foyer with white oak floors and fine millwork leads to a formal dining room and family room with marble fireplace, custom built-ins, and Commonwealth Ave Mall views. The chef's kitchen boasts a 10' marble island, custom cabinetry, Sub-Zero refrigerator, pantry, and dedicated wine cooler. A sun-splashed sitting room, study with marble fireplace, and guest bedroom suite complete one wing; a primary suite with walk-in closet and marble en-suite bath, plus a second en-suite bedroom, anchor the private quarters. Central AC, ground-floor storage, and bike storage included. Steps to Newbury Street and the Esplanade.
Highlights
Property details
- MLS #
- 73572912
- Property type
- Condominium
- Subdivision
- N/A
- Status
- Active
- Days on market
- 16
- On market date
- September 8, 2026
- Stories
- 1
- Total bathrooms
- 3.5
- Garage spaces
- N/A
- Parking spaces
- 1
- Lot size
- N/A
Location
Get directions →Nearby schools
Within 10 miles · public school directory data (NCES)
- Enrollment
- 711
- Student:teacher ratio
- 10.9:1
- District
- Boston
- Enrollment
- 279
- Student:teacher ratio
- 7.5:1
- District
- Cambridge
- Enrollment
- 485
- Student:teacher ratio
- 12.8:1
- District
- Boston
Walkability
Blended score for Boston's center: EPA's National Walkability Index (street network, transit, land-use mix) combined with nearby-amenity density. 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).
Market position
How this listing compares to current activity in Boston, from live MLS data.
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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 13 days ago.
Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.







