D.C.'S Premier Event Spaces

The National Union Building offers 28,000 square feet of unique, beautifully designed event spaces, accommodating everything from the most intimate gatherings to large receptions and conferences.

Each of 8 spacious, private rooms provide virtually limitless layout options and can be rented either individually or in combination - including a basement speakeasy further distinguishes the National Union Building as one of D.C.'s most sought-after and unforgettable venues.

The Perfect Venue for Any Occasion

The building's stylish spaces create an extraordinary experience for all types of events:

  • Social: weddings, birthdays, bar/bat mitzvahs, baby/bridal showers, rehearsals/engagements
  • Corporate: board meetings, offsites, brainstorms, staff retreats, workshops and trainings
  • Non-profit: fundraisers, auctions, lectures, conferences
  • Culinary: Private dinners, food and wine pairings, tastings
  • And many more: film shoots, art and fashion shows, pop-ups, product launches, hackathons

The Spaces

Six North

150 guests, 110 seated

Six South

200 guests, 150 seated

Five North

Four North

150 guests, 100 seated

Four South

80 guests, 50 seated

Two South

150 guests, 80 seated

The Owlstone

120 guests, 80 seated

The Speakeasy

Talented Event Experts

Our top-notch event planning and logistics staff are ready to help you craft the perfect event experience from start to finish. We pride ourselves on executing your vision as carefully as possible in a venue your guests will be talking about long afterward.

Once you’ve reserved an event space, our team will work with you directly to develop floor plan and layout options, timetables, vendor recommendations, and anything else needed to make your event an unqualified success.

Get in touch with us to get started right away!

State of the Art Tech & Furnishings

Hosting an event requires more than just a memorable setting. The National Union Building is fully equipped with state of the art technology throughout the venue: Bose towers for surround sound, mounted A/V projectors and screens, microphones, and WiFi are available for use in all of our spaces.

Whether you’re planning a seated event or standing reception, we have your furniture needs covered as well. Rectangular 6' tables, 60" round tables, cocktail tables, folding chairs, and stools are all at your disposal. Our staff will even set up everything you need in the configuration of your choosing.

Distinctive Atmosphere in a Historic Venue

Located in Chinatown/Penn Quarter, The National Union Building is an elegant, historic building encompassing 6 floors of dedicated event space.

Designed by local architect Glenn Brown and built in 1890, our venue boasts a striking Romanesque, stone clad façade and maintains captivating period details that give it character unlike anything else in D.C.

Soaring ceilings, curved glass, and exposed brick greet guests as they ascend our original wrought-iron staircase or the city’s last remaining central-core elevator cage.

At the center of a lively neighborhood full of restaurants, bars, shopping, and historical landmarks, The National Union Building is the perfect setting for a unique and memorable event.

Past Clients

The Atlantic
Brussels Airlines
University of Notre Dame