The Hopper House is located at 45 West Saddle River Road in the borough of Saddle River in Bergen County, New Jersey, United States. The historic stone house was added to the National Register of Historic Places on July 24, 1984, for its significance in architecture and exploration/settlement. It was listed as part of the Early Stone Houses of Bergen County Multiple Property Submission (MPS) and the Saddle River MPS.
According to the nomination form, the oldest section of the house may have been built in 1740, probably by a member of the Hopper family. The one and one-half story wing was constructed using sandstone and features a gambrel roof. D. Hopper is listed as living here in 1861. Orville James Victor and Metta Victoria Fuller Victor, both authors, lived here next. They remodeled the house in High Victorian style around 1870, named the house "The Terraces" and lived here until 1905.