{"nrhp_refnum":"88002601","name":"House at 123 Allen","other_names":[],"category":"building","location":{"address":"123 Allen","address_restricted":false,"city":"San Angelo","county":"Tom Green County","state":"TX","lat":31.459041583000044,"lon":-100.43155230499997,"geom_source":"nps_gis"},"listed_date":"1988-11-25","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A small one-story frame residence at 123 Allen in San Angelo, Tom Green County, Texas, built about 1910-13 on a corner lot in the Fort Concho Addition. The architect or builder is unknown.","why_significant":"The house is described as one of the best and most intact houses in the old Fort Concho Addition, which developed after 1905. This middle-class neighborhood once had many similar houses, and almost all have since been altered. Significance is claimed locally under architecture.","narrative":"This small one-story frame house at 123 Allen in San Angelo was built around 1910-13 on a corner lot in the Fort Concho Addition. Its architect and builder are not known. The house has a pyramidal hipped roof with front and side facing gables, and a small inset porch in the northeast corner supported by columns on brick pedestals. Bay windows accent the plain side facades, the windows are one-over-one double-hung sash, and two entry doors from the porch have transoms above. The style is described as vernacular. The house was listed because it is one of the best and most intact houses in the old Fort Concho Addition, a middle-class neighborhood that developed after 1905. The area once held many similar houses, but nearly all have been altered. A mixed commercial and industrial section of the city adjoins the neighborhood. The property is on its original site, is in good physical condition, and covers less than one acre.","period_of_significance":null,"architect_builder":"Unknown","architectural_style":"Vernacular","criteria":[],"status_note":"Physical condition is listed as good, and the house remains on its original site.","vacant_flag":null,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:54:21.389094-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/29/9702/40970229/content/electronic-records/rg-079/NPS_TX/88002601.pdf"},"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40970229","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q110001347"},"indexable":true,"url":"https://nationalhistoricalregister.com/texas/tom-green-county/house-at-123-allen-88002601/"}