{"nrhp_refnum":"80001388","name":"Alton Chapter House","other_names":[],"category":"building","location":{"address":"509 Beacon St.","address_restricted":false,"city":"Alton","county":"Madison County","state":"IL","lat":38.89548808500007,"lon":-90.19008276299996,"geom_source":"nps_gis"},"listed_date":"1980-11-28","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Education","Politics/Government","Architecture","Social History"],"significance_levels":["state"],"summary":{"what_it_is":"A chapter house at 509 Beacon Street in Alton, Madison County, Illinois, built in 1910 for the American Woman's League. It is one of ten Illinois chapter houses nominated together as a thematic group and is now used as a private home.","why_significant":"The house is one of ten chapter houses built in 1909-10 for the American Woman's League, a nationwide movement to advance and uplift American womanhood through suffrage, literary work, domesticity, education and social interaction. The houses followed standardized plans (Classes I-IV) that reflected the League's functions and the Arts and Crafts, Mission and Bungalow influences of the period. All ten Illinois houses survive and are in the best overall condition of any built in America.","narrative":"Built in 1910 at 509 Beacon Street in Alton, this modest house was one of ten chapter houses erected in Illinois for the American Woman's League. The League was a nationwide movement that promoted women's suffrage, literary pursuits, domesticity, education and social life. Its chapter houses were built to standardized plans, and the designs reflected the League's purposes along with the Arts and Crafts, Mission and Bungalow styles of the day. The Alton house is now a private home. Over time it has gained aluminum awnings, a garage on the facade, a frame bathroom at the rear and a frame covering over the basement entrance, and its interior has been rearranged. The stucco is painted white with yellow trim, and the house is in generally good repair. It was nominated with the other Illinois chapter houses, all of which still stand and are in the best overall condition of any built in the country.","period_of_significance":null,"architect_builder":null,"architectural_style":"Standardized League chapter house plan (Class II or III; the document labels it both ways), reflecting Arts and Crafts, Mission and Bungalow influences","criteria":[],"status_note":"Used as a private home and in generally good repair, with alterations including aluminum awnings, a garage added to the facade, a rear frame bathroom, a frame addition covering the basement entrance, and a changed interior layout.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:35.674524-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/47/8913/28891347/content/electronic-records/rg-079/NPS_IL/80001388.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80001388/8753e87f6f-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80001388/8753e87f6f-1600.webp","licence":"Public domain","author":"Nyttend","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Alton_Chapter_House.jpg\" rel=\"noopener\">Nyttend</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Alton_Chapter_House.jpg"},"district":{"nrhp_refnum":"78001165","name":"Christian Hill Historic District","url":"https://nationalhistoricalregister.com/districts/illinois/christian-hill-historic-district-78001165/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/28891347","wikipedia":"https://en.wikipedia.org/wiki/Alton_Chapter_House","wikidata":"https://www.wikidata.org/wiki/Q4736874"},"indexable":true,"url":"https://nationalhistoricalregister.com/illinois/madison-county/alton-chapter-house-80001388/"}