The deal involved a renewal and lease expansion of over 8,000 sf for 11 years. Timothy M. Lyne, executive vice president/partner, and Peter Conlin, an associate of CB Richard Ellis/Whittier Partners, represented the property owner, an affiliate of Walton Street Capital in the transaction. Charles S. O'Connor, principal of Trammell Crow Co., represented Boston Private Financial Holdings Inc.

"We have always enjoyed our tenure at Ten/10 Post Office Square," says Jim Dawson, president of Boston Private Bank. "The building is located in the heart of the financial district and has been able to accommodate our growth throughout the years. We're pleased about this lease renewal."

Ten/10 Post Office Square is a two-building office property that was built between 1923 and 1929. The property occupies an entire city block and is situated in the heart of the city's financial district. In 1999, the buildings underwent substantial renovations, including replacements of windows and sidewalks and improvements to the lobbies, corridors and restrooms.

The complex's north building is comprised of nearly 170,000 sf and is nearly fully occupied. Among its other office tenants are Buck Consultants, Flag Venture Management, LLC, Interactive Data Corp., Law Offices of Pam Storm, Leggat McCall Properties LLC and Seaward Management Corp. The south building consists of 241,963 sf and has about 60,000 sf available. Among its office tenants are Conn, Kavenaugh, Rosenthal, Peisch & Ford, Landvest, Capital One, Dechert, Dow Jones & Co., North