{"nrhp_refnum":"73001988","name":"San Ygnacio Historic District","other_names":["See also:Trevino--Uribe Rancho NHL"],"category":"district","location":{"address":"Town of San Ygnacio","address_restricted":false,"city":"San Ygnacio","county":"Zapata County","state":"TX","lat":27.045861897000037,"lon":-99.44310473088188,"geom_source":"nps_gis"},"listed_date":"1973-07-16","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["state"],"summary":{"what_it_is":"A historic district covering most of the small south Texas community of San Ygnacio in Zapata County, on the Rio Grande. Settlement began in 1830 with a stone house built by Jesus Trevino, and building continued through the turn of the century.","why_significant":"The nomination argues that San Ygnacio is the last south Texas community with a large number of the once numerous sandstone structures of the middle and late 19th century. Its thirty-six inventoried buildings show a vernacular style with Spanish and Mexican influence. It is described as an intact community that expresses its total 19th century development, closely related in style and period to structures at Revilla.","narrative":"San Ygnacio is a small Rio Grande community in Zapata County, Texas, whose historic core is bounded by the river, U.S. Highway 85, Mina Street and Matamoros Street. Jesus Trevino founded it in 1830 by building a small stone residence, and settlement continued through the end of the century. Most buildings are square hewn sandstone blocks with plastered exteriors, and many early houses have flat roofs of beams, decking and caliche. Large cooking chimneys are common. Notable examples include the 1873 Delfino Lozano House, the Jesus Trevino House complex with its 1851 sundial and stone gargoyles, and the 1887 Manuel Benavides Trevino House with its carved cornice and original grilles. The district was recognized because it is the last south Texas community preserving a large group of 19th century sandstone buildings, reflecting Spanish and Mexican building traditions and a close link to the older settlement at Revilla. Most buildings remain private residences.","period_of_significance":"19th Century","architect_builder":null,"architectural_style":"Vernacular with Spanish/Mexican influence","criteria":[],"status_note":"Most buildings are still used as residences; condition is marked good and unaltered, on the 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 02:54:18.877474-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/53/9740/40974053/content/electronic-records/rg-079/NPS_TX/73001988.pdf"},"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40974053","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q109999624"},"indexable":true,"url":"https://nationalhistoricalregister.com/texas/zapata-county/san-ygnacio-historic-district-73001988/"}