Markham Cobblestone Farmhouse and Barn Complex is a historic home and barn complex located at Lima in Livingston County, New York. The home was constructed about 1832 and is a 2-story, three-bay cobblestone main block with a 1+1⁄2-story rear wing. It was built in the late Federal / early Greek Revival style. Also on the property are a full complement of outbuildings dating from the 19th and early 20th century, including three contributing barns, a shed, two silos, a well with pump, and the remains of a former barn.