Retirement Farm, also known as the James M. Vandergrift Farm, is a historic home and farm located at Odessa, New Castle County, Delaware. It was built in the late-19th century, and is a 2 1/2-story, five-bay frame, gable roofed farmhouse with a two-story rear ell. Also on the property are a small barn (c. 1800), granary (c. 1850), and barn (c. 1900). The small barn is the last known example of its kind surviving in St.