200 N Market Street Price Reduced from $699, 000.Building is located on North Market Street in Williamson County, Marion IL. 200-202 North Market Street. Looking for an investment property this is your opportunity to own a 2 Story office building in downtown Marion. City Hall is under construction that sits adjacent to this beautiful commercial building. Williamson County Court House is a block West. Plenty of public and private parking. There are multiple offices leased in this fully brick building. Building has be completely rehabbed, with a few offices on the second floor that need to be finished, create your own office oasis on the second floor. There is an elevator shaft, with a power source.