Henry and Elizabeth Ernst House is a historic home located at Washington, Franklin County, Missouri. It was built around 1874, and is a -storey, five-bay, central passage plan brick dwelling on a brick foundation. It has a side-gable roof and low segmental arched door and window openings. It features a front porch and a prominent front gable, which is sheathed with fish scale shingles. This gable was likely added in 1892 when the house was reconstructed following a fire..
It was listed on the National Register of Historic Places in 2000.