OPENING WINTER 2023 Ideally located amongst restaurants, bars, coffee shops and the Union Market, 1255 Union Street NE, also known as Signal House, is a state-of-the-art building offering numerous tenant amenities, industrial design, and beautiful views of the Capitol. Our thoughtfully-designed workspace on the 7th floor – complete with sun-drenched rooms, a private terrace, and best-in-class amenities – will support your most productive workday, every day.