The custom house existed at several locations over the years . From 1790 to 1799 , it was at South William Street , opposite Mill Lane , known as 5 Mill Street . From 1799 to 1815 , it was in the Government House , roughly on the former site of Fort Amsterdam . From 1842 it was at 26 Wall Street in a new building designed by John Frazee , today designated Federal Hall National Memorial . From 1862 it was in the Merchant 's Exchange Building at 55 Wall Street . In 1907 it moved into a new building , now called the Alexander Hamilton U.S. Custom House , built on the site where Government House sat earlier , on the south side of Bowling Green . In 1973 it moved to 6 World Trade Center , which was destroyed as a result of the September 11 attacks
September 11 attacks
September 11 attacks
United States Custom House (New York City)