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.
This home has been viewed 5 times
Last Checked: September 16th, 2026 at 2:03am (Source: MLS PIN #73572912)
Air Conditioning
Lead Paint Free
General Information for 191 Commonwealth Avenue, Boston MA 02116
Listing ID73572912
Property TypeCondominium
Price9750000 ($2394.4/SqFt)
Building Style2/3 Family
CityBoston
CountySuffolk
MLS AreaBack Bay
Neighborhood(s)
Total Parking1
Unit Level6
Levels in Unit1
Year Built1899
Year Built SourcePublic Records
Year Built DetailsApproximate
Building Construction Status
Zoning00000
Unit Features for 191 Commonwealth Avenue, Boston MA 02116
Approximate Living Area Total4072
Living Area Includes BasementNo
Rooms9
Bedrooms4
Primary En Suite BathroomYes
BasementFull
Cooling1, Split
Laundry
Fireplaces
Outdoor Space
Flooring
Electric
Appliances
Condo Association Features for 191 Commonwealth Avenue, Boston MA 02116
Pet PolicyAllowed
Building Management
Building Construction Status
Number of Units16
Year Built1899
Year Built DetailsApproximate
Year Built SourcePublic Records
WaterPublic
SewerPublic Sewer
Parking Features1
Building AmenitiesBeach Rights
Disclosures for 191 Commonwealth Avenue, Boston MA 02116
Lead PaintNone
UFFI
Living Area Includes BasementNo
Living Area Disclosure
Building Area SourcePublic Records
Special Listing Conditions
ExclusionsPersonal Belongings.
Compensation Based On
Documents Available
Financial Information for 191 Commonwealth Avenue, Boston MA 02116
Association Fee
Optional Fee0
Association Fee IncludesLandscaping
Optional Fee Includes
Association Fee FrequencyMonthly
Assessed Value$5,613,600
Real Estate Tax65895
Tax Year2026
Location Information for 191 Commonwealth Avenue, Boston MA 02116
Neighborhood(s)
MLS AreaBack Bay
Area Amenities
Contact Information for 191 Commonwealth Avenue, Boston MA 02116
Agent
Name: Tracy Campion
Office
Name: Campion & Company Fine Homes Real Estate