According to the website, Monday-Friday, from 9am to 10am, are designated times for seniors and other immunocompromised customers.
I believe it is Tuesdays and Thursdays 8-9 am.
Costco warehouses are currently open for Special Operating Hours from 9 to 10 a.m., Monday through Friday. Due to the increase in COVID-19 cases, Costco will maintain current Special Operating Hours until further notice.
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