Auburn Mills Historic District is a national historic district located near Yorklyn, New Castle County, Delaware in Auburn Valley State Park.

The district contains industrial, commercial, and domestic structures.

They include the Horatio Gates Garrett House, Israel Marshall House (1897), The "Bank" worker's row house, Auburn Store/NVP Office, Frame Workers' Housing Site, Insulite Mill (1900), Blacksmith's Shop Site, Auburn Mill, Utility Shed, and Trolley Line Trestle Piers.

[2] It was added to the National Register of Historic Places in 1980.

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