{"nrhp_refnum":"75000265","name":"Day, Josiah, House","other_names":[],"category":"building","location":{"address":"70 Park St.","address_restricted":false,"city":"West Springfield","county":"Hampden County","state":"MA","lat":42.10703160500003,"lon":-72.61828636199994,"geom_source":"nps_gis"},"listed_date":"1975-04-16","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture"],"significance_levels":["national"],"summary":{"what_it_is":"A two-story brick saltbox house at 70 Park Street in West Springfield, Hampden County, Massachusetts, built in 1754 by Josiah Day according to a dated brick in its east wall. It overlooks the town common and now operates as a house museum.","why_significant":"The house is described as one of the oldest unaltered brick saltboxes in the country, the oldest house in West Springfield and the oldest brick house in Hampden County. It retains most of its original interior, hardware and furnishings. It is also tied to the Day family, early settlers who helped lead the town's separation from Springfield, and it serves as an educational resource.","narrative":"Built in 1754 and dated by a brick set in its east wall, the Josiah Day House at 70 Park Street in West Springfield is a two-story brick saltbox facing the town common. Its three-bay facade has 12/8 sash windows, a central recessed doorway and a clustered chimney, and a wooden ell at the rear was later dated to the early nineteenth century. Inside, five rooms each have a fireplace and at least one wall of decorative paneling or sheathing, along with original hinges, shutters and some furniture. Josiah Day, grandson of one of the town's first settlers, built the house, and his family lived there for more than 150 years. The building is regarded as one of the oldest unaltered brick saltboxes in the country, the oldest house in West Springfield and the oldest brick house in Hampden County. Today it is a museum with period rooms and historical exhibits used for local education.","period_of_significance":"1700-1799","architect_builder":"Josiah Day","architectural_style":"Mid-eighteenth century New England vernacular (brick saltbox)","criteria":[],"status_note":"Occupied and in use as a house museum, with three rooms furnished for the period and two used for historical exhibits; the ell provides caretaker's quarters. Condition listed as excellent.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:11:54.653814-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/79/7952/63795279/content/electronic-records/rg-079/NPS_MA/75000265.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/75000265/416cc28e30-800.webp","url_1600":"https://nationalhistoricalregister.com/media/75000265/416cc28e30-1600.webp","licence":"CC BY-SA 4.0","author":"Thomas E Martin, Jr.","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Josiah_Day_House.jpg\" rel=\"noopener\">Thomas E Martin, Jr.</a>, <a href=\"https://creativecommons.org/licenses/by-sa/4.0\" rel=\"license noopener\">CC BY-SA 4.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Josiah_Day_House.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/63795279","wikipedia":"https://en.wikipedia.org/wiki/Josiah_Day_House","wikidata":"https://www.wikidata.org/wiki/Q6290462"},"indexable":true,"url":"https://nationalhistoricalregister.com/massachusetts/hampden-county/day-josiah-house-75000265/"}