| less than one acre|
| c. 1830|
28 March 1977
| Tennis St., Boalsburg, Harris Township, Pennsylvania|Hill House (Boalsburg, Pennsylvania) Wikipedia
Hill House, also known as the Col. James Johnston House, is a historic home located at Boalsburg, Harris Township, Centre County, Pennsylvania. It was built about 1830, and is a 2 1/2-story, five bay, stone dwelling with a gable roof, attic, and basement. It measures 46 feet by 24 feet. It has a stone and frame rear kitchen ell that measures 20 feet by 18 feet. It was built by Col. James Johnston, one of the principal figures in the growth of the town of Boalsburg.
It was added to the National Register of Historic Places in 1977.