| Allegheny County Office Building | |
| Designation1: | PHLF |
| Coordinates: | 40.4379°N -79.9957°W |
| Built: | 1931 |
| Designation1 Date: | 2002[1] |
Allegheny County Office Building located at Ross Street and Forbes Avenue in downtown Pittsburgh, Pennsylvania, was built from 1929 to 1931. It was added to the List of Pittsburgh History and Landmarks Foundation Historic Landmarks in 2002.[1]