This stately Commonwealth Avenue mansion boasts 14,000 square feet of living space on five floors. With twelve bedrooms and seven and a half baths, the size of the property is easily matched by the grandeur of the properties detail, including one of Boston's most magnificent Master Staircases.

Specifications are:

  • 12 Bedrooms and 7.5 Baths on Five Floors with a full basement
  • Large Roof Deck with panoramic views of Boston
  • Elevator and a full second staircase
  • Garden with separate building entrance on Marlborough Street
  • Permitting in place for two full parking spaces
  • Zoned for commercial or residential usage


401 Commonwealth Avenue

401 Commonwealth Ave, Boston, MA 02215
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Offered for Sale at: $ 4.99 Million

Taxes: $ $45,774.78 (Note: The Property is not presently taxed at a Residential Rate)



Contact Person: Eric Hersum

Contact Email:

Contact Phone Number: (617) 338-6102


This stately former-mansion boasts 14,000 sq over six floors with remarkable original architectural detail. Back Bay Properties represented the seller of one of the largest buildings sold in the Back Bay this year.


This information has been obtained from sources believed to be reliable. However, it is not guaranteed, and is subject to corrections, errors, prior sale, change or withdrawal from the market without notice.