{"nrhp_refnum":"80001367","name":"Andover Chapter House","other_names":[],"category":"building","location":{"address":"Locust St., NW","address_restricted":false,"city":"Andover","county":"Henry County","state":"IL","lat":41.29421961300005,"lon":-90.29222492699995,"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 one-story, cruciform Class I American Woman's League chapter house at Locust St. and 5th Ave. (State Highway 81) in Andover, Henry County, Illinois, built in 1910. It is one of ten Illinois chapter houses built in 1909-10.","why_significant":"The house is one of ten chapter houses built in Illinois to serve local chapters of the American Woman's League, a national movement to advance, protect and uplift American womanhood through suffrage, literacy, domesticity, education and social interaction. The houses were built in standardized classes reflecting the league's functions and the Arts and Crafts, Mission and Bungaloid styles of the period. Andover is the Class I example in this group.","narrative":"Built in 1910 at Locust Street and 5th Avenue in Andover, this small Mission style building was constructed as a chapter house for the American Woman's League. It is a Class I design, one of several standardized types used for ten Illinois chapter houses built in 1909-10. The St. Louis firm of Helfensteller, Hirsch and Watson is credited with the architecture. The one-story cruciform plan typically held an assembly room, salesroom, kitchen, anteroom and toilet room, with stucco walls, terra-cotta details and a brick chimney. The league was a national movement to advance and uplift American womanhood through suffrage, literacy, domesticity, education and social contact. Its houses reflect Arts and Crafts, Mission and Bungaloid influences. By 1980 the Andover building was a private home. Alterations included aluminum storm windows, a garage on the facade, a rear bathroom addition and a changed interior, and it needed repairs, particularly to the roof.","period_of_significance":null,"architect_builder":"Helfensteller, Hirsch and Watson, St. Louis, Mo. (architect for the chapter house design)","architectural_style":"Mission style","criteria":[],"status_note":"Described in 1980 as a private home needing repairs, with the roof needing attention. Changes include aluminum storm windows, a garage added to the facade, a rear frame bathroom addition 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 02:55:35.06044-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/60/8911/28891160/content/electronic-records/rg-079/NPS_IL/80001367.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80001367/8387cf5716-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80001367/8387cf5716-1600.webp","licence":"CC BY-SA 3.0","author":"Kepper66","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Andover_Chapter_House.jpg\" rel=\"noopener\">Kepper66</a>, <a href=\"https://creativecommons.org/licenses/by-sa/3.0\" rel=\"license noopener\">CC BY-SA 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Andover_Chapter_House.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/28891160","wikipedia":"https://en.wikipedia.org/wiki/Andover_Chapter_House","wikidata":"https://www.wikidata.org/wiki/Q4754601"},"indexable":true,"url":"https://nationalhistoricalregister.com/illinois/henry-county/andover-chapter-house-80001367/"}