 Alterations to the manor house include the removal of the widow's walk and ventilator due rainwater leakage (1963), construction of several cabins (1972 & 1990s), a dining room (1982), a classroom (1986]), a maintenance shop (1986]), and a storage shed (1990).In 1982, the U.S. Department of Agriculture transferred the title of the Chinsegut Hill property to the University of South Florida once the previous lease had expired and the university had fulfilled its obligations regarding the lease.On November 21, 2003, Chinsegut Hill was added to the United States National Register of Historic Places through a concerted effort by members of the faculty at the University of South Florida.