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Investment firms buy 10 Post Office Square for $143m

A joint venture of GreenOak Capital and Synergy Investments has purchased the office building at 10 Post Office Square in Boston for $143 million. The seller was Soundport Capital of New York.

Totaling 445,000 square feet across two interconnected, mid-rise towers, 10 Post Office Square is a trophy office complex overlooking the Norman B. Leventhal Park at the center of the city's financial district.

The complex is 82 percent leased to a diverse group of companies. It is anchored by the global headquarters of Boston Private Financial Holdings, which has been located there since 1987.

The sale was brokered by a team of executives at the real estate firm Cushman & Wakefield. The team included president Robert Griffin, executive director Matt Pullen, and vice chairman Edward Maher.


"Ten Post Office Square has a distinctive history, well recognized as one of Boston's finest office restorations and boasting more than $17 million in capital improvements in the last seven years," said Cushman & Wakefield Vice Chairman Edward Maher. "It offers an iconic and commanding street presence in the heart of Downtown Boston."

Casey Ross can be reached at cross@globe.com.