{"nrhp_refnum":"80000833","name":"Riverside-Arlington Heights Fruit Exchange","other_names":["Sunkist Building","Citrus Exchange"],"category":"building","location":{"address":"3391 7th St.","address_restricted":false,"city":"Riverside","county":"Riverside County","state":"CA","lat":33.981228153000075,"lon":-117.37026017299996,"geom_source":"nps_gis"},"listed_date":"1980-06-09","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Commerce","Agriculture","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A small one-story reinforced concrete office building at 3391 Seventh Street in Riverside, California, built in 1923 for the Riverside-Arlington Heights Fruit Exchange. It was designed by local architect G. Stanley Wilson in a Spanish-Colonial and Mission Revival manner.","why_significant":"The building is tied to the citrus industry that built Riverside's wealth, and the Exchange is described as the oldest continuously operating exchange in the Inland Empire and a member of Sunkist. It also represents early agricultural cooperative marketing in the West. Architecturally, it is a work of Wilson, who helped formulate and popularize the city's Mission Revival vernacular.","narrative":"Built in 1923 at Seventh and Lime Streets in Riverside, this compact office building served the Riverside-Arlington Heights Fruit Exchange, a citrus growers' cooperative and member of Sunkist. Architect G. Stanley Wilson gave the reinforced concrete structure a hipped roof, a recessed porch, and a symmetrical seven-room plan around a central foyer. The front facade carries round-headed mullioned windows, twisted glazed ceramic columns, and panels of blue and green tile with cross motifs. Inside are offices, storage, fruit-testing rooms, and fireproof vaults that still survive. A wisteria arbor and geometric planters were designed with the building. The Exchange is described as the oldest continuously operating exchange in the Inland Empire and a product of the cooperative marketing system that grew out of Riverside's citrus industry. Wilson was a leading figure in Riverside's Mission Revival architecture, and the building shows his attention to business efficiency combined with an attractive facade. Changes since construction have been minor, mainly filled-in windows.","period_of_significance":"1900-","architect_builder":"G. Stanley Wilson","architectural_style":"Mission Revival; Spanish-Colonial (also called Mediterranean)","criteria":[],"status_note":"Rated excellent in condition and occupied; the Exchange has been housed in the building since 1923. Alterations are limited to filled or boarded-up windows on the east side, northeast corner, and side and rear.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:31.853183-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_CA/80000833.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80000833/32d6d7c42c-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80000833/32d6d7c42c-1600.webp","licence":"CC BY-SA 4.0","author":"JERRYE &amp; ROY KLOTZ, M.D.","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:RIVERSIDE_ARLINGTON_HEIGHTS_FRUIT_EXCHANGE_RIVERSIDE_CO_CA.jpg\" rel=\"noopener\">JERRYE &amp;amp; ROY KLOTZ, M.D.</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:RIVERSIDE_ARLINGTON_HEIGHTS_FRUIT_EXCHANGE_RIVERSIDE_CO_CA.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123860509","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q133440243"},"indexable":true,"url":"https://nationalhistoricalregister.com/california/riverside-county/riverside-arlington-heights-fruit-exchange-80000833/"}