List of tallest buildings in St. Louis
Name Street address Years as tallest Height feet / m Floors
Old Courthouse Between Broadway , Chestnut , Fourth , & Market Streets 1864-1894 192 / 59 2
St. Louis Union Station 1820 Market Street 1894-1914 230 / 70 6
Railway Exchange Building 601-629 Olive Street 1914-1926 277 / 84 21
Southwestern Bell Building 1010 Pine Street 1926-1969 399 / 122 28
Laclede Gas Building 716-726 Olive Street 1969-1976 401 / 122 31
One US Bank Plaza 505 North 7th Street 1976-1986 484 / 148 35
One AT & T Center 909 Chestnut Street 1986-1989 588 / 179 44
One Metropolitan Square 201-227 North Broadway 1989-present 593 / 181 42
Timeline of tallest buildings
The Railway Exchange Building was St. Louis 's tallest building from 1914 to 1926 . This lists buildings that once held the title of tallest building in St. Louis , based on standard height measurement .
The tallest buildings in St. Louis, Missouri, include the Gateway Arch, which is also the tallest accessible structure in Missouri and the tallest monument in a national park, rising higher than the Washington Monument. The tallest habitable building in the city is the 42-story One Metropolitan Square, completed in 1989. At , it is the third-tallest building in Missouri and the second-tallest habitable building. The only other habitable buildings in St. Louis over are the One AT&T Center and the Thomas F. Eagleton United States Courthouse.