{"nrhp_refnum":"100004316","name":"Downtown Dayton Historic District","other_names":[],"category":"district","location":{"address":"Roughly bounded by I 75, St. Clair St., west face of Patterson Blvd., Monument Ave., and Sixth St./Norfolk Southern Railroad line","address_restricted":false,"city":"Dayton","county":"Montgomery County","state":"OH","lat":39.76003393400006,"lon":-84.19388828770646,"geom_source":"nps_gis"},"listed_date":"2019-08-29","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Commerce","Community Planning and Development","Architecture"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/ohio/montgomery-county/downtown-dayton-historic-district-100004316/"}