{"nrhp_refnum":"13000930","name":"Walton and Roslin Halls","other_names":["Mhc# Bos.15942"],"category":"building","location":{"address":"702-708 & 710-726 Washington St., 3-5 Walton St.","address_restricted":false,"city":"Boston","county":"Suffolk County","state":"MA","lat":42.28884479800007,"lon":-71.07043425599994,"geom_source":"nps_gis"},"listed_date":"2013-12-18","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Community Planning and Development"],"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/suffolk-county/walton-and-roslin-halls-13000930/"}