{"nrhp_refnum":"100007147","name":"Humboldt Avenue Historic District","other_names":[],"category":"building","location":{"address":"249, 257, 259 Humboldt Ave. and 79-83, 94 Hutchings St.","address_restricted":false,"city":"Boston","county":"Suffolk County","state":"MA","lat":42.311225000000064,"lon":-71.09111499999997,"geom_source":"nps_gis"},"listed_date":"2021-11-22","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Ethnic Heritage-Black","Social History","Ethnic Heritage-Other-Ethnic"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":"https://en.wikipedia.org/wiki/Humboldt_Avenue_Historic_District","wikidata":"https://www.wikidata.org/wiki/Q110129160"},"indexable":false,"url":"https://nationalhistoricalregister.com/massachusetts/suffolk-county/humboldt-avenue-historic-district-100007147/"}