<Tr> <Th> Architect </Th> <Td> The Luckman Partnership </Td> </Tr> <Tr> <Th> Developer </Th> <Td> Boston Properties </Td> </Tr> <P> The Prudential Tower, also known as the Prudential Building or, colloquially, The Pru, is an International Style skyscraper in Boston, Massachusetts . The building, a part of the Prudential Center complex, currently stands as the 2nd - tallest building in Boston, behind 200 Clarendon Street, formerly the John Hancock Tower . The Prudential Tower was designed by Charles Luckman and Associates for Prudential Insurance . Completed in 1964, the building is 749 feet (228 m) tall, with 52 floors, and (as of February 2018) is tied with others as the 96th - tallest in the United States . It contains 1,200,000 sq ft (110,000 m) of commercial and retail space . Including its radio mast, the tower stands as the tallest building in Boston, rising to 907 feet (276 m) in height . </P> <P> A restaurant, the Top of the Hub, occupies the 52nd floor . A 50th - floor observation deck, called the Skywalk Observatory, is currently the highest observation deck in New England open to the public, as the higher observation deck of 200 Clarendon Street has been closed since the terror attacks of September 11, 2001 . </P>

When was the prudential center built in boston