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.
For sale
$9,750,000
191 Commonwealth Ave #Penthouse 61, Boston, MA 02116
4beds
4,072sqft
Condominium
Built in 1899
-- sqft lot
$-- Zestimate®
$2,394/sqft
$-- HOA
What's special
Central acCommonwealth ave mall viewsFormal dining roomGuest bedroom suiteSecond en-suite bedroomSun-splashed sitting roomStudy with marble fireplace
- 2 days
- 213
- 9
Zillow last checked:
Listing updated:
Listed by:
Tracy Campion,
Campion & Company Back Bay
Source: LINK,MLS#: 245627
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Interior area
- Total structure area: 4,072
- Total interior livable area: 4,072 sqft
Property
Parking
- Total spaces: 1
Details
- Parcel number: 3351450
Construction
Type & style
- Home type: Condo
- Property subtype: Condominium
Condition
- Year built: 1899
Community & HOA
Location
- Region: Boston
Financial & listing details
- Price per square foot: $2,394/sqft
- Date on market: 9/8/2026
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/8/2026 | Listed for sale | $9,750,000$2,394/sqft |
Source: MLS PIN #73572912 Report a problem | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment






