Saint Mark's Episcopal Church (Chelsea, New York)

Saint Mark's Episcopal Church is a historic Episcopal church on Liberty Street in Chelsea, Dutchess County, New York. It was built in 1866 and is a small rectangular frame church building in the Gothic Revival style. It has a steeply pitched gable roof, topped by a belfry. It features a three-part lancet window.

It was added to the National Register of Historic Places in 1987.