21 Demont St, Smithtown, NY 11787 is on the street of Demont St, in the city of Smithtown, New York. It is in the zip code of NY 11787.

21 Demont St, Smithtown, NY 11787 is a Single Family home.
It has 4 bedrooms, 2.5 bathrooms, proximately 2,898 square feet floor size, 0.27 acres square feet lot size.
It was built in 1966. It has 2 stories.