US Post Office-Walton is a historic post office building located at Walton in Delaware County, New York, United States. It was built in 1936–1937, and is one of a number of post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department, Louis A. Simon. It is a one-story, five-bay, steel frame building on a raised limestone clad foundation in the Colonial Revival style. The front section is symmetrically massed and features a slightly recessed, three bay central entrance.[2]