National Union Building

Welcome to the National Union Building – A Historic Event Venue in Washington DC

Host unforgettable events in the heart of Washington DC at the iconic National Union Building. Built in 1890, this Romanesque architectural marvel offers elegant, private event spaces with rich period details and modern amenities across seven stories of historic charm.

Why Choose the National Union Building?

• Comprehensive Hospitality Services: Experience expert event planning services, partnered catering options, and full bar services that make every event seamless and special.
• Elegant Venue Options: The National Union Building features 11 spacious, private rooms and a speakeasy-style basement space perfect for intimate gatherings or larger celebrations.
• Prime Location in Washington DC: Conveniently located in downtown Washington DC, this historic building places your guests near major landmarks while providing a stunning backdrop for any occasion.

Hospitality Services at National Union Building

• Catering: Collaborate with top-tier vendors including Catering by Seasons, Main Event Caterers, Purple Onion Catering Company, and Windows Catering for curated culinary experiences.
• Bar Services: Choose from house beer, liquor, wine, open or cash bars, champagne toasts, and custom signature drinks tailored to your celebration.
• Event Planning: The National Union Building offers a dedicated events team to ensure flawless execution from start to finish.

Additional Information

• Venue Size: 27,000 to 28,000 rentable square feet spread across seven stories
• Guest Capacity: Accommodates up to 750 guests
• Event Spaces: 11 private rooms with flexible layouts and the option to combine rooms for larger gatherings
• The Cocktail Club: A speakeasy-style basement venue ideal for intimate celebrations
• On-site Amenities: Full bar/lounge, fully equipped kitchen, on-site and outside catering options, valet parking, wireless internet
• Accessibility: ADA/ACA accessible and pet-friendly venue
• Additional Services: Audio equipment, linens, wheelchair access

Book Your Services at the National Union Building Today!

Celebrate your next event in one of Washington DC’s most iconic venues. From weddings to corporate functions and social gatherings, the National Union Building offers the perfect blend of historic charm and modern hospitality. Book your services now for an unforgettable experience.