Post Office Square, Boston, Massachusetts

Post Office Square (est. 1874) in Boston, Massachusetts is located in the financial district at the intersection of Milk, Congress, Pearl and Water Streets. It was named in 1874 after the United States Post Office and Sub-Treasury which fronted it, now replaced by the John W. McCormack Post Office and Courthouse.

The square is almost entirely occupied by a privately owned and managed but publicly accessible park, Norman B. Leventhal Park, named for the Boston building manager and designer who designed it. It sits above a parking garage, named "The Garage at Post Office Square." The garage lies 80 feet (24 m) below the surface, the deepest point of excavation in the city. Revenues from parking fund the maintenance of the park. The 1.7-acre (0.69 ha) park is a popular lunchtime destination for area workers. It features a cafe, fountains, and a pergola around a central lawn, and the management provides seat cushions for visitors during the summer. Designed by landscape architects The Halvorson Company, the park is also home to "125 species of plants."

In the 18th century, rope manufacturers occupied the area, then it became a residential district, and later a business and commercial area. The Great Boston fire of 1872 swept through the area, and as rebuilding began the area began to be called Post Office Square after the new United States Post Office and Sub-Treasury Building (Boston) which faced the square.

In 1874, the headquarters of the New England Mutual Life Insurance Company, designed by Nathaniel Bradlee, was erected in the square on the site of what is now Norman B. Leventhal Park. This building was demolished in 1945, and a large parking garage which filled the area of the present park was erected, being completed in 1954.

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