17 Commonwealth Avenue, Unit PH, Back BayBoston, MA 02116MLS Number 73576947

  • Price: $9,850,000
  • Est. Mortgage of $/month
  • 1 Day on Market
$
$
%
$/month over payments
Federal 30-year interest rate: 6.76% last updated on Sep 10, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • 3Bedrooms
  • 0.07Acreage
  • 3Bathrooms
  • 1900Year Built
Active
17 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 0211617 Commonwealth Avenue Boston MA 02116
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Cape Coastal Sotheby's International Realty
Cape Coastal Sotheby's International Realty
Office: 508-477-6688
540 Falmouth Road (Mashpee Rotary)
Mashpee, MA 02649
Exquisite penthouse duplex on the first block of Commonwealth Ave! This owner occupied, professionally managed building is comprised of 3 units and offers secure direct elevator access, private storage closet, and on-site garage parking. Welcomed into the main living level of this gracious penthouse by a magnificent staircase, you are immediately drawn into the formal living room with its large Comm Ave facing windows, beautiful fireplace and attached private office with its own fireplace, built-ins and Comm Ave views. A formal dining room is adjacent to an open family room and kitchen that offers direct access to a private deck. A well designed kitchen with abundant storage, gas cooking, 3 ovens, top-of-the-line appliances and an island with breakfast bar. The kitchen also has access to a back hall w wine storage and second staircase, as well as the powder room and front hall closet. An elegant skylit staircase floods the home with natural light and leads to the upper level of the home. 3 generous bedrooms including a large front facing primary suite with fireplace, 5-piece stone bathroom and attached dressing room. 2 additional bedroom share a beautiful stone bathroom. A full staircase and head house with wet bar open to a sensational and large roof deck! Ideal for entertaining, this urban oasis has water, electricity and sensational views over the Comm Ave Mall. This gracious home also offers a 4 gas fireplaces, storage, a laundry room, central air, and many built-ins throughout. Complete with captivating views of the Back Bay skyline and Comm Ave Mall, this fabulous penthouse has it all including on site garage parking for 4 cars!

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Basic Information

  • Bedrooms3
  • Mls StatusNew
  • Bathroom3
  • Parcel Number W:05 P:02832 S:006,3346237
  • Unit NumberPH

Location

  • NeighborhoodBack Bay
  • SubdivisionBack Bay
  • Address17 Commonwealth Avenue
  • Building Number17
  • CountySuffolk
  • StateMA
  • StreetCommonwealth Avenue
  • TownBoston
  • Zip02116

Property Information

  • Square Feet3,031
  • Building Area Source Public Records
  • Living Area 3,031
  • Lot Size Square Feet 3,031
  • Lot Size Units Acres
  • Structure Type Townhouse, Brownstone

Tax Information

  • Tax Assessed Value $5,875,500
  • Tax Year 2026
  • Taxes$73,572

Rooms

  • Bathrooms Total Decimal 2.5
  • Full Bath2
  • Half Baths1

Building

  • Attached Garage YN Yes
  • BasementN
  • Building Area Units Square Feet
  • Entry Level 4
  • FireplaceYes
  • Fireplaces Total 4
  • Garage Spaces4
  • Rooms8
  • Stories2
  • Year Built1900
  • Year Built Details Approximate
  • Year Built Source Public Records

Other

  • Association Fee $3,033
  • Association Fee Frequency Monthly
  • Association Fee Includes
    • Insurance
    • Maintenance Grounds
    • Maintenance Structure
    • Sewer
    • Snow Removal
    • Trash
    • Water
  • Date Listed09/14/2026
  • Farm Land Area Units Square Feet
  • View Count1

Parking

  • Parking Spaces4
  • Covered Spaces 4
  • Garage YN Yes
  • Parking Features Attached, Under, Deeded

Basic Information

  • List Price$9,850,000
  • MLSPIN 73576947
  • Modification Date09/14/2026
  • Property SubTypeCondominium

Property

  • Acreage0.07

Utilities

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

Amenities

  • Amenities
    • Bike Path
    • Conservation Area
    • Highway Access
    • Medical Facility
    • Other
    • Park
    • Public Transportation
    • Shopping
    • T-Station
    • Tennis Court(s)
    • Walk/Jog Trails
  • Association Amenities Elevator(s), Storage, Garden Area
  • Other AmenitiesFireplace, Garden, Tennis
  • Security Features Intercom

Driving Directions

Listed by Michael Harper of Coldwell Banker Realty - Boston

Back Bay Boston, MA Demographics

There is no data available

Back Bay Boston, MA Real Estate Market Data

There is no data available

Back Bay Boston, MA Schools

School NameDistanceTypeGrades

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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