Box Hill Estate is a national historic district located in St. James in Suffolk County, New York.

The estate house was the summer home of Stanford White.

It was built in 1885 and is a rambling, multi-gabled structure surfaced in pebblestone dashed stucco.

It features a one-story verandah defined by a range of fluted columns.

Also on the property are a contributing cottage, barn, carriage house, stable, and water tower.