Tanner Block is a historic commercial building located at Oswego in Oswego County, New York.

It was built in 1890 and is a four-story brick structure constructed in an eclectic Victorian style.

It originally housed a hardware store.

[2] It was listed on the National Register of Historic Places in 2009.

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.