100 Federal Street is a 41-story, Class A office tower located in the heart of Boston’s Financial District. Situated on Federal Street and bounded by Franklin, Congress and Matthews Streets, 100 Federal Street occupies an entire two-acre city block. 100 Federal Street enjoys a prime location overlooking Post Office Square Park, which features an open lawn, perennial gardens, arbors, fountains and mature trees. The tower features an expansive window line that affords breathtaking panoramic views of the Financial District, the waterfront and Boston Harbor, the Charles River and the Cambridge skyline.