It now houses the National Postal Museum, the Bureau of Labor Statistics, and offices of the United States Senate.

The main hall and lobby area only showed traces of their former grandiose design with modernist elements replacing the Beaux-Arts style.

The building received another major renovation in the early 1990s, during which the original appearance of the lobby and main hall area was restored.

Capitol City Brewing Company closed in 2011 to make room for an expansion of the National Postal Museum.

As of 2023, the Bureau of Labor Statistics had begun transitioning to office space in Suitland, Maryland, while most BLS employees continued to work from home as they had been doing since the start of the Covid-19 pandemic.