{"nrhp_refnum":"100005127","name":"Castle Block","other_names":[],"category":"building","location":{"address":"323-355 Center St.","address_restricted":false,"city":"Ashtabula","county":"Ashtabula County","state":"OH","lat":41.865102000000036,"lon":-80.78525399999995,"geom_source":"nps_gis"},"listed_date":"2020-03-26","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Commerce","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/ashtabula-county/castle-block-100005127/"}