{"nrhp_refnum":"83001947","name":"Dayton-Campbell Historic District","other_names":[],"category":"district","location":{"address":"Primarily Dayton, High and Campbell Ave. between 6th and 11th Sts.","address_restricted":false,"city":"Hamilton","county":"Butler County","state":"OH","lat":39.39850938250004,"lon":-84.55208257284193,"geom_source":"nps_gis"},"listed_date":"1983-06-30","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Industry","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A residential historic district of about 210 buildings in northeast Hamilton, Butler County, Ohio, centered on Dayton Street, High Street and Campbell Avenue between Sixth and Eleventh Streets. Buildings date from the 1870s to the 1920s.","why_significant":"The district is a cohesive group of late nineteenth and early twentieth century buildings, mixing sophisticated and vernacular examples of popular architectural styles. It also contains the former homes of Hamilton industrialists, lawyers, bankers and merchants, and reflects the city's manufacturing growth from the 1870s to the 1890s.","narrative":"Northeast Hamilton holds a neighborhood of roughly 210 buildings, mostly houses, laid out along Dayton Street, High Street and Campbell Avenue. Development began in the 1870s on land held by paper manufacturer William Beckett and Congressman Lewis D. Campbell, who donated the strip that became Campbell Avenue's tree-lined boulevard. Hamilton's rapid industrial growth, driven by machinery and paper companies, drew founders and managers of firms such as Niles Tool Works, Sohn & Rentschler and Black-Clawson to build large homes here in the 1880s and 1890s. The streets show Italianate, Gothic Revival, Queen Anne, Colonial Revival, Neo-Classical and Prairie designs, with Queen Anne the most common. Churches, synagogues, a hosiery mill, carriage works and early automobile showrooms add variety. Smaller houses fill the numbered side streets, while High Street retains institutional buildings by the local firm Mueller & Hair. The district is recognized for this cohesive mix of grand and modest architecture tied to the city's industrial prosperity.","period_of_significance":"1870s - 1920s","architect_builder":"Various; local architects Mueller & Hair designed several buildings","architectural_style":"Queen Anne (predominant), Italianate, Gothic Revival, Colonial Revival, Neo-Classical, Prairie","criteria":[],"status_note":"Largely residential and occupied; many strip businesses on the south side of High Street are vacant; one modern office building is the only real intrusion.","vacant_flag":null,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:53:14.513983-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_OH/83001947.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/83001947/62499fd89b-800.webp","url_1600":"https://nationalhistoricalregister.com/media/83001947/62499fd89b-1600.webp","licence":"CC BY-SA 3.0","author":"Photo by Greg Hume (Greg5030)","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:DaytonCampbellHD.jpg\" rel=\"noopener\">Photo by Greg Hume (Greg5030)</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:DaytonCampbellHD.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71986959","wikipedia":"https://en.wikipedia.org/wiki/Dayton%E2%80%93Campbell_Historic_District","wikidata":"https://www.wikidata.org/wiki/Q5243487"},"indexable":true,"url":"https://nationalhistoricalregister.com/ohio/butler-county/dayton-campbell-historic-district-83001947/"}