The Robert Philips House was built in 1783, and is a 2+1⁄2 story, five-bay, stone dwelling with a gable roof.

Oliver Evans, a native of nearby Newport, installed his automatic mill machinery in the 1790 building.

[2][3] It was listed on the National Register of Historic Places in 1973 and expanded in 1979 to include the W. G. Philips House.

[1] The site is now operated as Greenbank Mill, a living history museum that includes the restored mill, an early 19th-century farm barn housing heritage sheep, the miller's house (Philips House), the textile factory and an herb garden.

This article about a property in Delaware on the National Register of Historic Places is a stub.