The Hub on Causeway is a 1,500,000 sq ft (139,400 m2) mixed-use development in West End, Boston adjoining the TD Garden and North Station. It stands on the former site of Boston Garden, which was razed in 1998. Before its construction, the old Garden footprint served as employee parking. As of December 28, 2024, the Hub Office Tower is the 20th-tallest building in Boston, and the Hub Residential Tower is tied for the 25th-tallest building in Boston with the Berkeley Building.