Discover a stunning event haven at the National Union Building, boasting 28,000 square feet of exquisitely designed spaces. From intimate gatherings to grand receptions and conferences, our versatile venue adapts to your vision. Eleven spacious, private rooms offer boundless layout possibilities and are available for individual or combined rentals. The unique allure of our basement speakeasy adds a distinctive touch, solidifying the National Union Building as one of D.C.'s premier and unforgettable event destinations. Whether hosting a small affair or a large-scale conference, our flexible spaces and timeless charm create the perfect backdrop for any occasion. Elevate your event experience at the heart of the nation's capital. With state-of-the-art amenities and a dedicated events team, we ensure your event is seamless and unforgettable from start to finish. Join us at the National Union Building, where every detail contributes to an extraordinary event experience. National Union...More