{"nrhp_refnum":"76001460","name":"Round Hill","other_names":["Curtis,Walter C.,Jr.,Residence"],"category":"building","location":{"address":"E. Pleasant and N. McKenzie Sts.","address_restricted":false,"city":"Mount Vernon","county":"Knox County","state":"OH","lat":40.39884000700005,"lon":-82.48000260799995,"geom_source":"nps_gis"},"listed_date":"1976-12-12","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Politics/Government","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"Round Hill is an L-shaped brick Italian Villa on the north side of Mount Vernon, Knox County, Ohio, at East Pleasant and North McKenzie Streets. It was begun in 1851 and completed in 1854 for Henry B. Curtis.","why_significant":"The nomination calls it the grandest house in the county and an early, remarkably mature example of the Italian Villa style. It is also tied to Henry B. Curtis, a lawyer, banker, public servant, railroad director and Kenyon College founder. Its first-floor furnishings and woodwork remain largely original.","narrative":"Round Hill is a large brick Italian Villa that dominates the north side of Mount Vernon, Ohio. Begun in 1851 and finished in 1854, it has a square two-and-a-half-story center block, a two-story wing, a flattened hip roof topped by a square belvedere, carved wood brackets, stone quoins and round-arched windows. The nomination calls it the grandest house in the county and notes that its design shows remarkable maturity for the early years of the Italian Villa style. Its sophistication may be due to John Plimpton of New York, a son-in-law of the builder. Henry B. Curtis, who built it, was a lawyer, banker, railroad director, mayor and one of the founders of Kenyon College. His will kept the first-floor furnishings in the house, so the woodwork, most windows and most furniture are original, including the 50-foot south parlor. Later changes were limited to electrical wiring, remodeled baths and kitchen, and a new dining room fireplace.","period_of_significance":"ca. 1851","architect_builder":null,"architectural_style":"Italian Villa","criteria":[],"status_note":"Private residence, occupied; condition checked as original site, with minor interior alterations such as wiring, bath and kitchen remodeling, and a new fireplace.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:53:09.852096-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_OH/76001460.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/76001460/7cd0abf1ae-800.webp","url_1600":"https://nationalhistoricalregister.com/media/76001460/7cd0abf1ae-1600.webp","licence":"CC BY-SA 3.0","author":"Wdzinc","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Round_Hill_Mount_Vernon_Ohio.JPG\" rel=\"noopener\">Wdzinc</a>, <a href=\"https://creativecommons.org/licenses/by-sa/3.0\" rel=\"license noopener\">CC BY-SA 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Round_Hill_Mount_Vernon_Ohio.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71989513","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q138400379"},"indexable":true,"url":"https://nationalhistoricalregister.com/ohio/knox-county/round-hill-76001460/"}