Post Office Square, Boston
Post Office Square
The Langham Hotel is situated along the northeastern edge of the square. Norman B. Leventhal park is also visible in the foreground.
|Boundaries||Franklin Street, Congress Street, Milk Street, Pearl Street|
|Historical features||Norman B. Leventhal park|
Post Office Square (est. 1874) in Boston, Massachusetts is a square 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 descends to 80 feet (24 m) below the surface, at the time one of the deepest points 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 café, 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. 
There was a transformer explosion and fire in the One Post Office Square building in December 1986. An electric company worker was killed but it was after normal business hours and the building was able to be evacuated with only a few injuries. 
Significant buildings on the square include the following:
- John W. McCormack Post Office and Courthouse
- New England Telephone and Telegraph Building is a historic structure built in 1947 at 185 Franklin Street. It is a Pending Boston Landmark. A developer purchased the building in 2011 and renamed it "50 Post Office Square."  In this building, the laboratory in which the first telephone was built has been reconstructed. 
- Langham Hotel Boston, a building that until 1977 housed the Federal Reserve Bank of Boston  In 1978 it was designated a Boston Landmark.
- One Post Office Square
- 100 Federal Street
- Ten Post Office Square (Atlantic National Bank Building) built 1924, a pending Boston Landmark, petition accepted for further study in 2000.
- Boston Street Laying-Out Dept. A record of the streets, alleys, places, etc. in the city of Boston. Boston: City Printing Dept., 1910.
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- on YouTube
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- Ross, Casey (24 February 2011). "An Art Deco makeover". Boston Globe. Retrieved 28 May 2016.
- Kruh, David (2004). Scollay Square (MA) (Images of America). Arcadia Publishing. ISBN 0-7385-3667-9.
- "About Federal Reserve Plaza". Retrieved 28 May 2016.
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