Mellon National Bank Building
| Location | 500 Smithfield Street (Downtown), Pittsburgh, Pennsylvania, USA |
|---|---|
| Coordinates | 40°26′25.26″N 79°59′53.36″W / 40.4403500°N 79.9981556°W |
| Built/founded | 1924 |
| CPHD designated | July 1999 |
| PHLF designated | 1976 |
The Mellon National Bank Building at 500 Smithfield Street in downtown Pittsburgh, Pennsylvania, was completed in 1924 after Mellon acquired the property in August 1916 from the Baltimore & Ohio Railroad which had their regional offices on the site.