{"nrhp_refnum":"100012170","name":"The Van der Heyden","other_names":[],"category":"building","location":{"address":"770-780 State Street","address_restricted":false,"city":"Springfield","county":"Hampden County","state":"MA","lat":42.10850813400003,"lon":-72.56601925299998,"geom_source":"nps_gis"},"listed_date":"2025-09-02","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["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/massachusetts/hampden-county/the-van-der-heyden-100012170/"}