Nix Federal Building
United States Court House and Post Office Building | |
Chestnut Street facade (2013) | |
| Location | 900 Market Street Philadelphia, Pennsylvania |
|---|---|
| Coordinates | 39°57′02″N 75°09′20″W / 39.9506°N 75.1555°W |
| Area | 2.1 acres (0.85 ha) |
| Built | 1939 |
| Architect | Harry Sternfield |
| Architectural style | Moderne |
| NRHP reference No. | 90001540 |
| Added to NRHP | October 19, 1990 |
The Robert N. C. Nix Sr. Federal Building and United States Post Office, formerly known as the United States Court House and Post Office Building, is a historic building in Philadelphia, Pennsylvania.