Caldicott, also known as Vessey House and Essex Farm, is a historic home located at Rehobeth, Somerset County, Maryland, United States.

It is a large frame dwelling constructed between 1784 and 1798 by Littleton Dennis Jr.

The house stands two stories above a raised basement of Flemish bond brick.

Also on the property are a gambrel-roofed barn, sheds and storage buildings, and a water tower.

[1] This article about a Registered Historic Place in Somerset County, Maryland is a stub.