The U.S. Post Office and Courthouse, also known as the Galveston Federal Building, is a post office and courthouse located in Galveston, Texas, USA. The building serves as the federal court for the Galveston Division of the United States District Court for the Southern District of Texas. Constructed in 1937, and added to the National Register of Historic Places in 2001 as Galveston U.S. Post Office, Custom House and Courthouse, the building is home a number of federal agencies, and at one point housed the Galveston Bureau of the National Weather Service.