Cornwall Brothers' Store

Cornwall Brothers' Store is a historic commercial building located at Alexandria Bay in Jefferson County, New York. It was built in 1866 and is a massive 2- to -story, three-by-seven-bay, structure built of coursed rubble stone. It was originally built as a store, but since the 1930s has been used for a variety of federal purposes, including the Alexandria Bay Post Office, the U.S. Customs and Immigration offices, and U.S. Coast Guard offices.It was listed on the National Register of Historic Places in 1975.


36 Market St
Alexandria Bay, NY


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