Hewlett House (Cold Spring Harbor, New York)

Hewlett House is a historic home located at Cold Spring Harbor in Suffolk County, New York, United States. It is a two-story, gable roofed dwelling built about 1815 and enlarged in the 1870s. It features a one-story, shed roof front porch with a bracketed cornice and square columns.

It was added to the National Register of Historic Places in 1985.