285 Commonwealth Avenue, Back BayBoston, MA 02115MLS Number 73431102

  • Price: $13,000,000
  • Est. Mortgage of $/month
  • 54 Days on Market
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Federal 30-year interest rate: 6.22% last updated on Nov 6, 2025
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Under Agreement
285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115285 Commonwealth Avenue Boston MA 02115
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  • 7Bedrooms
  • 0.07Acreage
  • 9Bathrooms
  • 1881Year Built

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This spectacular grand mansion designed by Winslow & Bigelow with prominent turn of the century granite and white stone facade is comprised of two units: the 4 story lower level with 3 bedrooms, 3 full baths and 2 half baths features a formal marble clad entrance leading into an ultra wide and deep banquet size parlor level with 3 marble fireplaces with ultra high ceilings, oversize windows and superb original moldings in grand scale that is carried throughout the building. A bridal grand marble staircase leads to the second floor with a wood paneled library. PH duplex has 4 bedrooms, 3.5 baths. Full staircase and head house is in place for a potential front-to-back roof deck. Keep as 2 units or combine into a magnificent single family residence. Elevator & 3 parking spaces.
Listed by Lili Banani of Coldwell Banker Realty - Boston

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More Info

Basic Information

  • Bedrooms7
  • Mls StatusUnder Agreement
  • Bathroom9
  • Contingency Pending P&S
  • Lot Features Other
  • Parcel Number 3350173

Building

  • BasementFull
  • Building Area Units Square Feet
  • FireplaceYes
  • Fireplaces Total 7
  • FoundationOther
  • Property StyleOther (See Remarks)
  • Rooms17
  • Year Built1881
  • Year Built Details Approximate
  • Year Built Source Public Records

Other

  • Date Listed09/16/2025
  • Farm Land Area Units Square Feet

Tax Information

  • Tax Year 2025
  • Taxes$156,610

Basic Information

  • List Price$13,000,000
  • MLS Number73431102
  • Modification Date11/05/2025
  • Property SubTypeSingle Family Residence
  • PurchaseContractDate10/22/2025

Property

  • Acreage0.07

Utilities

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

Parking

  • Parking Spaces3

Rooms

  • Bathrooms Total Decimal 7.5
  • Full Bath6
  • Half Baths3

Location

  • NeighborhoodBack Bay
  • SubdivisionBack Bay
  • Address285 Commonwealth Avenue
  • Building Number285
  • CountySuffolk
  • StateMA
  • StreetCommonwealth Avenue
  • TownBoston
  • Zip02115

Property Information

  • Square Feet12,004
  • Building Area Source Measured
  • Living Area 12,004
  • Lot Size Square Feet 3,237
  • Lot Size Units Acres
  • Property Attached YN Yes
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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