Webmay 8, 2024 · so what‘s it really like to work as a food service assistant at costco? Webas of jul 10, 2024, the average annual pay for a costco food service assistant in the united states is $48,000 a year. Just in case you need a simple salary calculator, that. Webprepares and sells food and drinks to customers. Pulls and stocks supplies and ingredients, cleans kitchen area and eating area. Provides prompt and courteous member service. Webfood preparation & service. Average costco wholesale hourly pay ranges from approximately $16…