Caves Valley Historic District is a national historic district near Owings Mills, Baltimore County, Maryland, United States. It is located in a natural upland valley encompassing about 2,100 acres (8.5 km2) along the North Branch of the Jones Falls and its contributing courses. It includes cultivated fields, pastures, woodlands, streams, housing clusters, and agricultural structures. The vernacular buildings are log, stone, and frame, reflecting the local materials and functional plans of rural locations in the 18th and 19th centuries.[2]