Where History Meets
Your Next
Unforgettable Event

In the heart of D.C.’s Chinatown/Penn Quarter, the National Union Building offers 27,000 square feet of historic charm and flexible space across seven distinct stories.

With 11 private event rooms—including a hidden speakeasy—this 1890 Romanesque Revival landmark is where bold ideas and memorable moments take center stage.

Downtown D.C.’s iconic 7-floor event venue;
versatile, elegant, and full of character.

EVENT SPACES

Host Any Event with Confidence

From milestone moments to corporate milestones, the National Union Building is built to accommodate it all.

Conferences, off-sites, and trainings in a refined yet functional setting.
Celebrate birthdays, anniversaries, or reunions in style.
Host your ceremony and reception across multiple floors, with exclusive access.
Fundraisers and galas with special packages for 501(c)(3) groups.
Transform our historic rooms into immersive branded experiences.

Private events

HISTORIC CHARM

Built in 1890, our Romanesque Revival architecture features original brickwork, cathedral-like ceilings, and charming period details—offering a rich, dramatic ambiance you won’t find anywhere else.

Prime Location

INCLUSIVE PACKAGES

Centrally located just steps from Gallery Place and Metro Center, and surrounded by top hotels like The Riggs. Plus, nearby parking, valet service, and shuttle options make guest arrival seamless.

Our inclusive packages cover rentals, staffing, food, and drinks, so you can focus on celebrating, not coordinating and have an all-in-one event experience.

11 Unique Spaces - From intimate lounges to expansive loft-style halls, each space offers its own distinctive charm.
Combine or Customize - Adjoining rooms like 4 North + 4 South or 6 North + Cocktail Club can be paired for larger events.
Historic Character Meets Modern Amenities - Vaulted ceilings, exposed brick, and built-in AV tech create the perfect blend of style and function.
A Hidden Speakeasy & Demo Kitchen - Surprise your guests with experiences beyond the ordinary—from mixology lounges to chef-led events.