by the recently organized Greater Baltimore Committee and the local Chamber of Commerce with the leadership of several mayoral administrations in 1958 continuing into the early 1970s, followed by a parallel soon-to-be nationally famous "Inner Harbor" redevelopment around the old waterfront piers, wharves, warehouses, offices and businesses of the former "Basin" along the Baltimore Harbor at the Northwest Branch of the Patapsco River continued another major building boom from the early 1960s to the early 1990s, during which the City saw the completion of 18 of its 24 tallest buildings, including the 1973 United States Fidelity and Guarantee Company's new headquarters (later the Legg Mason Building, now the Transamerica Tower) at the corner of the harbor at Pratt and Light Streets and the five-sides/pentagonal high-rise centerpiece of the harbor, the Baltimore World Trade Center for the Maryland Port Administration in 1977. The city is the site of two completed buildings that are at least high, with one more under construction and two proposed for construction. As of June 2008, there are 163 completed high-rises in the city. The most recently completed skyscraper in Baltimore is 414 Water Street, which rises and 33 floors. The 44-story 414 Light Street apartment tower debuted in August 2018, making it the tallest residential building in Maryland. Tallest buildings This list ranks Baltimore skyscrapers that stand at least tall, based on standard height measurement. This includes spires and architectural details but does not include antenna masts. An equal sign (=) following a rank indicates the same height between two or more buildings. The "Year" column indicates the year in which a building was completed. Tallest under construction or proposed This lists buildings that are under construction or proposed for construction in Baltimore and are planned to rise at least , but are not yet completed structures. A floor count of 40 stories is used as the cutoff for buildings whose heights have not yet been released by their developers. Timeline of tallest buildings This lists buildings that once held the title of tallest building in Baltimore. Notes A. ^ The Constellation Energy Building, completed in 1916, tied the height of the Emerson Bromo-Seltzer Tower. The city therefore had two tallest buildings until the B&O Railroad Grain Terminal was completed in 1923. B. This building was constructed as the B&O Railroad Grain Terminal but has since been renamed Silo Point. C. This building was constructed as