Today 19720, New Castle DE is count around 28 homes for sale at current average listing price of $403,174. Nearby neighborhoods of 19720 are Old New Castle, Llangollen Estates, None Available, Buena Vista Park, Overview Gardens, Riverbend, Baldton, Burn Brae, Christiana Acres, Collins Park. Most of 19720 homes are 3 bedrooms with 2 bathrooms.