Norris-Stirling House, also known as Mt. Pleasant, is a historic home located at Bel Air, Harford County, Maryland. It is composed of an early 19th-century fieldstone section and two later frame additions. In 1936, a lean-to addition and double-tiered porch were added. The property also includes a large frame bank barn and corncrib, a stone springhouse, and a garage.
It was listed on the National Register of Historic Places in 1979.