{"nrhp_refnum":"100005846","name":"Olmsted, Frederick Law, Sr., Farmhouse","other_names":["Poillon House","Poillon-Akerly-Olmstead Farmhouse"],"category":"building","location":{"address":"4515 Hylan Blvd.","address_restricted":false,"city":"Staten Island","county":"Staten Island","state":"NY","lat":40.531895243000065,"lon":-74.15767702299996,"geom_source":"nps_gis"},"listed_date":"2020-12-03","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Literature","Social History"],"significance_levels":["national","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/new-york/staten-island/olmsted-frederick-law-sr-farmhouse-100005846/"}