1152 15th Street is a free-standing, 12-story trophy office building in the heart of Washington, DC. Featuring a four-story, glass-enclosed lobby and a rooftop terrace with views of the Washington Monument and National Cathedral, the building is unparalleled both in form and function. The American Society of Interior Designers (ASID) customer space at 1152 15th Street earned the world’s first WELL and LEED Platinum certifications.