{"nrhp_refnum":"82004593","name":"Harnsberger, Stephen, House","other_names":["Harnsberger Octagonal House"],"category":"building","location":{"address":"Holly Ave.","address_restricted":false,"city":"Grottoes","county":"Rockingham County","state":"VA","lat":38.275237634000064,"lon":-78.82999554199995,"geom_source":"nps_gis"},"listed_date":"1982-07-08","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["state"],"summary":{"what_it_is":"An octagonal brick house built in 1856 by Stephen Harnsberger on the east side of the South River, now in the northwest corner of the town of Grottoes, Rockingham County, Virginia. A post-Civil War gambrel-roof barn stands nearby.","why_significant":"The house is a rare Rockingham County example of the mid-19th-century octagonal building fashion influenced by Orson Fowler's A Home for All (1853). Behind its octagonal shell, the interior keeps a traditional double-pile Georgian plan, showing how local builders adapted pattern-book styles in a conservative farming area. A related octagonal barn built by the owner's brother in Augusta County reflects the same approach.","narrative":"Built in 1856 by Stephen Harnsberger, this eight-sided brick house sits beside the South River in what is now the northwest corner of Grottoes, Virginia. It is one of only a few octagonal buildings in the central Valley of Virginia. Its shape and exterior detail follow Orson Fowler's 1853 pattern book A Home for All, with Greek Revival entrances, bracketed eaves and a raised porch with balustrade. The stucco covering the brick was added in 1916. Inside, the plan departs from Fowler's pie-shaped rooms and instead follows the familiar double-pile Georgian layout, with a central passage, two deep front rooms and eight fireplaces. A kitchen ell was added by the 1890s, and a post-Civil War gambrel-roof barn survives on the six-acre property. Harnsberger's brother built an octagonal barn in Augusta County, suggesting local interest in the fashion. The house matters as a local interpretation of national design trends, placing traditional plans inside an octagonal form.","period_of_significance":"1856","architect_builder":"unknown (built for Stephen Harnsberger)","architectural_style":"Octagonal mode (Orson Fowler pattern book influence) with Greek Revival detailing over a Georgian double-pile plan","criteria":[],"status_note":"Occupied private residence; restored by the owners in 1978 and described as unaltered, on its original site.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:51:57.696397-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/73/6834/41683473/content/electronic-records/rg-079/NPS_VA/82004593.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/82004593/fabddd99a4-800.webp","url_1600":"https://nationalhistoricalregister.com/media/82004593/fabddd99a4-1600.webp","licence":"Public domain","author":"Calverpw","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:HarnsbergerHouse.jpg\" rel=\"noopener\">Calverpw</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:HarnsbergerHouse.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/41683473","wikipedia":"https://en.wikipedia.org/wiki/Stephen_Harnsberger_House","wikidata":"https://www.wikidata.org/wiki/Q7609424"},"indexable":true,"url":"https://nationalhistoricalregister.com/virginia/rockingham-county/harnsberger-stephen-house-82004593/"}