 Washington Park Court, which runs one-way northbound from East 50th Street to East 49th Street, is a one-city block-long street located at 432 east in the Chicago street numbering system.Officially, it runs from 4900 south to 5060 south in the numbering system.The street and several adjacent homes at one end are recognized as a distinct district within the city, according to the City of Chicago Department of Planning and Development.