191 Commonwealth Avenue, Unit PH61, Back BayBoston, MA 02116MLS Number 73572912

  • Price: $9,750,000
  • Est. Mortgage of $/month
  • 1 Day on Market
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$/month over payments
Federal 30-year interest rate: 6.71% last updated on Sep 3, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
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191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116191 Commonwealth Avenue Boston MA 02116
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  • 4Bedrooms
  • 4Bathrooms
  • 1899Year Built
  • 4,072Square Feet

Driving Directions

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.
Listed by Tracy Campion of Campion & Company Fine Homes Real Estate

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More Info

Basic Information

  • Bedrooms4
  • Mls StatusNew
  • Bathroom4
  • Parcel Number 3351450
  • Unit NumberPH61

Location

  • NeighborhoodBack Bay
  • SubdivisionBack Bay
  • Address191 Commonwealth Avenue
  • Building Number191
  • CountySuffolk
  • StateMA
  • StreetCommonwealth Avenue
  • TownBoston
  • Zip02116

Property Information

  • Square Feet4,072
  • Building Area Source Public Records
  • Living Area 4,072
  • Lot Size Units Acres
  • Structure Type Brownstone

Tax Information

  • Tax Assessed Value $5,613,600
  • Tax Year 2026
  • Taxes$65,895

Basic Information

  • List Price$9,750,000
  • MLS Number73572912
  • Modification Date09/08/2026
  • Property SubTypeCondominium

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Heat SystemYes
  • Heating Central
  • Sewer Public Sewer
  • Water Source Public

Amenities

  • Association Amenities Elevator(s)
  • Other AmenitiesFireplace

Parking

  • Parking Spaces1
  • Parking Features Deeded

Rooms

  • Bathrooms Total Decimal 3.5
  • Full Bath3
  • Half Baths1

Building

  • BasementN
  • Building Area Units Square Feet
  • Entry Level 6
  • FireplaceYes
  • Fireplaces Total 3
  • Rooms9
  • Stories1
  • Year Built1899
  • Year Built Details Approximate
  • Year Built Source Public Records

Other

  • Association Fee $3,491
  • Association Fee Frequency Monthly
  • Association Fee Includes
    • Electricity
    • Insurance
    • Maintenance Grounds
    • Maintenance Structure
    • Reserve Funds
    • Security
    • Sewer
    • Water
  • Date Listed09/08/2026
  • Farm Land Area Units Square Feet
Rosen Realty, Inc.
Rosen Realty, Inc.
80 Temple Street
P.O. Box 128
Whitman, MA 02382

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLSPIN and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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