Fort Norfolk is a historic fort and national historic district located at Norfolk, Virginia. With the original buildings having been built between 1795 and 1809, the fort encloses 11 buildings: main gate, guardhouse, officers' quarters, powder magazine, and carpenter's shop. Fort Norfolk is the last remaining fortification of President George Washington's 18th century harbor defenses, later termed the first system of US fortifications. It has served as the district office for the U.S. Army Engineer District, Norfolk since 1923.