{"nrhp_refnum":"75001988","name":"Annunciation Church","other_names":[],"category":"building","location":{"address":"1618 Texas Ave.","address_restricted":false,"city":"Houston","county":"Harris County","state":"TX","lat":29.756616214000076,"lon":-95.35713512699994,"geom_source":"nps_gis"},"listed_date":"1975-11-03","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Education","Architecture","Religion","Social History"],"significance_levels":["state","local"],"summary":{"what_it_is":"Annunciation Church is a Roman Catholic brick church at 1618 Texas Avenue in downtown Houston, Harris County, Texas. It was built in 1869 from plans drawn in France and remodeled and enlarged in 1884 by Nicholas Clayton.","why_significant":"The nomination presents the church as the Mother Church of Houston's Catholic parishes and home to one of the state's oldest continuously active Catholic parishes. The parish was a pioneer in Catholic education and social work in Texas, including St. Thomas College, a black priest in 1902 and a free medical clinic. The building is also noted for its Romanesque detailing and as one of Houston's earliest professionally designed structures.","narrative":"Annunciation Church, at 1618 Texas Avenue in downtown Houston, is a brick church with a basilican plan and Romanesque detailing. Construction began in 1869 from plans drawn by French architects, though postwar economic limits forced changes to the design. By 1884 the soft brick walls were cracking and the west towers were settling, so Nicholas Clayton redesigned the building with three western towers, buttresses and a sacristy. The 175-foot central tower fell in the 1900 hurricane and was rebuilt the same year, and the exterior was plastered in 1910. The parish began in 1842 as Houston's first Catholic congregation and earned the title Mother Church of Houston by founding several daughter parishes. It also started St. Thomas College in 1900, was served by Texas's first black priest in 1902, and established Houston's first free medical clinic for the poor. Though the surrounding neighborhood has become commercial, the church remains in active use.","period_of_significance":"1800-1899","architect_builder":"unknown (French plans); Nicholas Clayton","architectural_style":"Basilican plan with Romanesque detailing; Romanesque and Gothic elements","criteria":[],"status_note":"Condition listed as good and altered; the church continues to function as an urban church, serving 75 families and providing mass for travelers and workers.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:54:19.644146-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/20/9724/40972420/content/electronic-records/rg-079/NPS_TX/75001988.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/75001988/cca52ecd13-800.webp","url_1600":"https://nationalhistoricalregister.com/media/75001988/cca52ecd13-1600.webp","licence":"CC BY 3.0","author":"Ed Uthman, Houston, Texas, USA","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Annunciation_Church_Houston_Texas.JPG\" rel=\"noopener\">Ed Uthman, Houston, Texas, USA</a>, <a href=\"https://creativecommons.org/licenses/by/3.0\" rel=\"license noopener\">CC BY 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Annunciation_Church_Houston_Texas.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40972420","wikipedia":"https://en.wikipedia.org/wiki/Annunciation_Church_(Houston)","wikidata":"https://www.wikidata.org/wiki/Q4769765"},"indexable":true,"url":"https://nationalhistoricalregister.com/texas/harris-county/annunciation-church-75001988/"}