Click here to view our gallery 1635 Market Street is ideally situated along the desirable Market Street corridor at the northeast corner of 17th and Market Streets, with direct access to the Suburban Station Concourse which provides underground access to the entirety of SEPTA’s Regional Rail system. 1635 Market Street also boasts a perfect Walk Score of 100 – a true “Walkers Paradise” for daily errands. Significant renovations to the building's lobby, lighting, and systems, including modernization of the controls and interiors of elevators and life safety systems have been recently completed.