If you were planning a Costco run on Memorial Day this year, you’ll need to adjust your plans. Costco has announced it will close all U.S. warehouse locations on Sunday, May 26, 2025, in observance of the federal holiday.
That means more than 600 stores, including all 142 locations in California, will be shut down for the full day.
This closure isn’t part of any larger restructuring or cost-saving initiative. It’s in line with Costco’s long-standing tradition of observing major holidays by closing all stores, regardless of demand or foot traffic. Other holidays the company consistently observes with nationwide closures include New Year’s Day, Easter Sunday, Independence Day, Labor Day, Thanksgiving, and Christmas Day.
The reason? Respect for Memorial Day.
While many retailers use Memorial Day as a launchpad for major sales and promotional events, Costco stands apart by choosing to pause operations entirely. Memorial Day, observed on the last Monday in May, honors U.S. military service members who died in the line of duty. Costco’s decision reflects a company policy that places importance on allowing employees time off during key national observances.
According to the Wounded Warrior Project, Memorial Day is “the nation’s foremost annual day to mourn and honor its deceased service men and women.” The National Cemetery Administration echoes that sentiment, noting the day’s deep roots in American tradition as a time of reflection, not just celebration.
What does this mean for shoppers?
If you’re hoping to stock up for a Memorial Day barbecue or weekend getaway, you’ll need to shop before May 26. Costco locations are expected to operate on regular hours in the days leading up to the holiday. No special extended hours have been announced at this time.
Online shopping through Costco.com will remain active during the closure, but warehouse pickup, in-person pharmacy services, and member services will all be unavailable on Memorial Day itself.
Given the closure, shoppers may face increased foot traffic the Friday and Saturday before the holiday, especially at high-volume locations. If you’re planning to buy bulk groceries, party supplies, or take advantage of Costco’s popular $5 value meals, heading in early could save time and stress.
Costco remains one of the few major retailers committed to closing its stores during major holidays, even as many competitors shift toward staying open year-round. The decision reinforces the company’s reputation for prioritizing employee well-being and work-life balance, even at the cost of holiday revenue.
So, while the headline “Costco closing all U.S. stores” may cause alarm at first glance, the closure is both routine and respectful. The takeaway is simple: shop early, plan ahead, and know that your local Costco will be back open the following day.
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