Adam Stephen House is a historic home located at Martinsburg, Berkeley County, West Virginia. It was built between 1772 and 1789, and is a 2 1/2 story, stone house measuring 43 feet, 5 inches, by 36 feet, 3 inches. It was the home of Adam Stephen (c. 1718 – July 16, 1791). It was restored in the 1960s by the General Adam Stephen Memorial Association and is open as a historic house museum.