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305 Commonwealth, Unit PH, Back BayBoston, MA 02115MLS Number 72392503

  • Price: $10,990,000The price has recently decreased
  • Est. Mortgage of $/month
  • 35 Days on Market
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Price Down Payment Interest Rate Years

Est. Mortgage: $/month

Federal 30-year interest rate: 4.9% last updated on 2018-10-11

This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.

  • 3Bedrooms
  • 4028Square Feet
  • 1884Year Built
  • 2Garage

Introducing the Penthouse at the Thayer Mansion, the epitome of luxury living on Commonwealth Avenue in Boston's Back Bay. Comprising two levels each with direct elevator access, the Penthouse offers over 4,000 square feet with three-plus bedrooms and three full and two half bathrooms, plus an expansive 926 square foot private roof deck with fireplace and grill. The Penthouse offers a wonderful contemporary aesthetic within a magnificent Peabody and Stearns mansion, featuring the latest residential technologies, finest finishes and stunning architectural details including the curving main staircase and an oversized skylight that fills the entire living, dining and entertaining level with light. Two tandem garage parking spaces are included and there is a one-bedroom garden suite available as an additional purchase.

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

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Call: 617-716-0240 or send a message:

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Driving Directions

Marsh Properties

Your Local Office

Marsh Properties
30 Newbury Street, 3rd Floor
Boston MA, 02116

Office: (617) 716-0240

More Info


  • Parking DescriptionTandem, Deeded
  • Parking Spaces
  • Garage2
  • Garage DescriptionUnder


  • Year Built1884
  • ConstructionBrick
  • Master BathYes
  • Full Bath3
  • Bathroom5
  • Bedrooms3
  • Living Levels2
  • Rooms7
  • BasementNo

Basic Information

  • Date Listed09/10/2018
  • StatusActive With Contract
  • Property TypeCondo
  • List Price$10,990,000
  • Sale OfficeBB5984
  • Sale AgentBB904054
  • Half Bath2
  • MLS Number72392503


  • HeatingForced Air
  • CoolingCentral Air


  • No. Units4
  • Condo Fee$2,735
  • Assoc. SecurityIntercom


  • View Count12


  • Building Number305
  • StreetCommonwealth
  • Unit NumberPH
  • TownBoston
  • StateMA
  • Zip02115
  • NeighborhoodBack Bay
  • CountySuffolk


  • Square Feet4028
  • Price / Sq Foot$2,728
  • Lead PaintUnknown


  • Amenities
    • Bike Path
    • Conservation Area
    • Highway Access
    • House of Worship
    • Medical Facility
    • Park
    • Private School
    • Public School
    • Public Transportation
    • Shopping
    • T-Station
    • University
    • Walk/Jog Trails
  • Pets AllowedYes

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