Costco will close all its U.S. warehouses on Saturday, July 4, 2026. This includes 142 locations in California.
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Costco to close all U.S. warehouses on July 4, including California locations
Costco has announced that it will close all its U.S. warehouses on July 4, 2026, affecting 142 locations in California. Customers should plan accordingly.
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Costco announces all California stores to shut on Fourth of July — here’s where to go instead
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Costco to close all U.S. warehouses on July 4, including California locations