U.S. Customhouse is a historic customhouse located at Oswego in Oswego County, New York.

It is a three-story, flat roofed, rectangular stone building flanked by identical two-story wings.

The original structure was built in 1858 and the wings added in 1935.

[2] It was listed on the National Register of Historic Places in 1976.

This article about a historic property or district in Oswego County, New York, that is listed on the National Register of Historic Places, is a stub.