Sandwich, also known as the Old Customs House, is a historic home located at Urbanna, Middlesex County, Virginia. It was built about 1758, and is a threebay rectangular plan brick structure is built into the side of a steep hill with 1+1⁄2 stories on the west up-hill facade, and 2+1⁄2 stories on the east side. The house was renovated in the 1930s. Also on the property are a contributing brick wall, and a formal boxwood garden site, which includes four contributing garden buildings. Andrew Jackson Montague purchased the property in 1934. It is considered by many historians to be one of the oldest remaining buildings in the Urbanna Historic District.