Project Progress: Under Construction

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About 29 Commonwealth Avenue

Back Bay, Boston, MA

Existing 11-story office building located in the heart of the Back Bay containing over 40,000 square feet of space. 29 Commonwealth Avenue was completed in 1895 and features sweeping views of the Charles River and the Boston skyline.

New owner Hexagon Properties, who acquired 29 Commonwealth Avenue for $30 million in January 2017, proposes to convert the building into luxury residences dubbed The Residences at Haddon Hall. Hexagon had previously proposed to convert the building into a private club; however, given neighborhood opposition, Hexagon withdrew its' proposal in early January 2017. Now a full renovation of Haddon Hall will restore the exquisite original architecture while bringing it up to date as a reconfigured luxury residential building, complete with garage parking. Nine spacious condominiums, including a sprawling duplex penthouse with a rooftop terrace, will be finished with a level of detail and customization rarely seen in today’s residential development.

Construction Cost $8,000,000.00
Acquisition Cost $30,000,000.00
Square Feet 40,106



Stories 11
Height (feet) 125
Start Date Feb 05, 2020
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Latest Updates

Mar 06, 2020

Construction Ongoing for Renovation of 29 Commonwealth Ave


Feb 07, 2020

$8M Permit Pulled for Redevelopment of 29 Commonwealth Ave


Nov 21, 2019

Gas Permit Pulled for Renovations at 29 Commonwealth


Jan 07, 2018

Developer withdraws private club proposal for 29 Commonwealth Avenue in Back Bay, will instead pursue...


Aug 27, 2017

New owner of Back Bay office building proposes private club conversion


Jan 12, 2017

Hexagon Properties acquires historic Back Bay office building for $30 million


Latest Press Releases

Related Documents

Issue Date Doc Type Docnumber Description Consideration Grantor Grantee Follow
02/05/20 Permit ALT810445 Search $8,000,000.00 ITK ITK
11/20/19 Permit G997646 Search $30,000.00 ITK ITK
10/25/19 Permit G1016292 Search $10,000.00 ITK ITK
10/16/19 Permit G1006417 Search $30,000.00 ITK ITK
09/03/19 Permit PL995424 Search $1,684,880.00 ITK ITK
05/08/19 Permit G949642 Search $1,000.00 ITK ITK
03/29/19 Permit SF936442 Search $0.00 ITK ITK
03/01/19 Permit EFA927309 Search $11,900.00 ITK ITK
02/06/19 Permit G921060 Search $1,000.00 ITK ITK

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