{"nrhp_refnum":"99001126","name":"Wilson's Diner","other_names":[],"category":"building","location":{"address":"507 Main St.","address_restricted":false,"city":"Waltham","county":"Middlesex County","state":"MA","lat":42.386342341000045,"lon":-71.23093771199996,"geom_source":"nps_gis"},"listed_date":"1999-09-22","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Commerce"],"significance_levels":["state"],"summary":{"what_it_is":"A barrel-roofed diner at 507 Main Street (U.S. Route 20) in Waltham, Massachusetts, manufactured in 1949 as #819 by the Worcester Lunch Car Company and delivered to Waltham on March 24, 1949.","why_significant":"It is a well-preserved, late example of the traditional barrel-roofed diner built by the Worcester Lunch Car Company, the state's premier diner builder. It is also locally associated with original proprietors Chester and Alice Wilson, who served residents and travelers on Route 20. It reflects the postwar automobile culture in Waltham and Massachusetts and retains a high degree of integrity.","narrative":"Wilson's Diner, at 507 Main Street on U.S. Route 20 in Waltham, is a barrel-roofed diner built by the Worcester Lunch Car Company in 1949 and delivered to the city that March. It is ten bays wide, with porcelain enamel panels in light blue and pale yellow, a brick foundation, and original stainless steel doors with sunburst motifs. Inside are a full-length marble counter, eighteen steel stools, wooden booths, and a clock reading WORCESTER DINERS. Chester and Alice Wilson opened the business in 1946 on Carter Street, moved it to Main Street in 1949, and later ran a tourist home across the street. The diner is a late example of Worcester's handcrafted work, built as the company lost ground to larger stainless steel diners from out-of-state makers. Worcester sold its last new diner in 1957. It is the only diner left in Waltham and reflects the postwar growth of automobile travel.","period_of_significance":"1949-1960","architect_builder":"Worcester Lunch Car Company","architectural_style":"Other: Barrel Roof Diner","criteria":["A","C"],"status_note":"Still in use as a restaurant; the interior is described as remarkably intact and it is the only diner remaining in Waltham.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:13:05.088329-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/39/7913/63791339/content/electronic-records/rg-079/NPS_MA/99001126.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/99001126/d9ee309822-800.webp","url_1600":"https://nationalhistoricalregister.com/media/99001126/d9ee309822-1600.webp","licence":"CC BY-SA 3.0","author":"Improbcat","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Wilsons_diner.jpg\" rel=\"noopener\">Improbcat</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:Wilsons_diner.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/63791339","wikipedia":"https://en.wikipedia.org/wiki/Wilson%27s_Diner","wikidata":"https://www.wikidata.org/wiki/Q8022916"},"indexable":true,"url":"https://nationalhistoricalregister.com/massachusetts/middlesex-county/wilsons-diner-99001126/"}