{"nrhp_refnum":"76000262","name":"Coolidge, Calvin, House","other_names":[],"category":"building","location":{"address":"19-21 Massasoit St.","address_restricted":false,"city":"Northampton","county":"Hampshire County","state":"MA","lat":42.32491436000004,"lon":-72.64636767899998,"geom_source":"nps_gis"},"listed_date":"1976-12-12","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Politics/Government"],"significance_levels":["national"],"summary":{"what_it_is":"A two and one half story frame duplex house at 19-21 Massasoit Street in Northampton, Massachusetts, built in 1900-01 by J. W. O'Brian.","why_significant":"It was the residence of Calvin Coolidge, the 31st President, from 1906 to 1930. He launched his state and national political careers from the house and lived there in the first months after leaving the presidency. The nomination also stresses that it is a simple duplex of which he rented only one side, which makes it unusual among the non-official residences of Presidents.","narrative":"Built in 1900-01 by J. W. O'Brian, this yellow, maroon-trimmed duplex at 19-21 Massasoit Street in Northampton, Massachusetts, was the longtime home of Calvin Coolidge. The two and one half story frame house has an asymmetrical facade with two entrance porches at the corners. The left porch, on the side Coolidge occupied, has a pediment and Doric columns. Between the porches are two hexagonal bay windows. Clapboard covers the walls, and a slate-covered, bellcast hipped roof tops the house. Coolidge lived here from 1906 to 1930, apart from time spent in state and national offices in Boston and Washington. He raised his children here, began his political rise here, and stayed briefly after leaving the presidency. The house matters as much for its modesty as for its occupant. He rented only one half of a simple duplex, and he moved out reluctantly in 1930, when motorists crowding to see the house disturbed his privacy.","period_of_significance":"1900-","architect_builder":"J. W. O'Brian","architectural_style":null,"criteria":[],"status_note":"Listed as in excellent condition and unaltered, on its original site, and occupied as a private residence.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:11:54.191966-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/95/7954/63795495/content/electronic-records/rg-079/NPS_MA/76000262.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/76000262/f0d4f08f74-800.webp","url_1600":"https://nationalhistoricalregister.com/media/76000262/f0d4f08f74-1600.webp","licence":"CC BY-SA 3.0","author":"Juro2351","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:CC19-21Masasoit.JPG\" rel=\"noopener\">Juro2351</a>, <a href=\"https://creativecommons.org/licenses/by-sa/3.0\" rel=\"license noopener\">CC BY-SA 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:CC19-21Masasoit.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/63795495","wikipedia":"https://en.wikipedia.org/wiki/Calvin_Coolidge_House","wikidata":"https://www.wikidata.org/wiki/Q5024365"},"indexable":true,"url":"https://nationalhistoricalregister.com/massachusetts/hampshire-county/coolidge-calvin-house-76000262/"}