NO BUILDER TIE-IN. UTILITIES ON-SITE. Fabulous lot for sale. BUYER'S FINANCING FELL THROUGH. Back on the market! Fabulous, treed lot in historic Fort DuPont. Delaware City is a quaint riverfront community proud of its rich history and excited about the future. Located on the Delaware River in New Castle County, Delaware, Delaware City is the gateway to many natural and historic treasures, such as the Delaware Estuary marshes, the Chesapeake & Delaware Canal, Fort Delaware and Fort DuPont. Visitors are welcome to enjoy the town’s restaurants and shops and to stroll through the Historic District, which has. over 200 structures featuring architectural styles spanning the 19th and early 20th centuries. For the recreation minded, the Delaware City area is popular with bird watchers, bicyclists, kayakers, canoeists, and hikers. Delaware City is a great place to visit, live, and work. Delaware City’s historic Town Hall was constructed in 1883 as the Delaware City School. It housed grades from 1-12 until the “new” Delaware City School was constructed at 5th & Bayard. in 1930. The building was later used as a Parish Hall and school. by St. Paul’s Church. The city acquired the building for Town Hall in 1969. The building is listed on the National Register of Historic Places as part of the Delaware City Historic District.