Is Costco Closed on MLK Day 2026?

Martin Luther King Jr. Day is a federal holiday observed on the third Monday in January, and in 2026, it falls on Monday, January 19. If you’re planning to stock up on essentials or take advantage of January deals, Costco will be open and ready for shoppers.

Costco Warehouse Hours on MLK Day 2026

Costco warehouses will operate under regular business hours on MLK Day:

• Monday–Friday: 10:00 a.m. – 8:30 p.m.
• Saturday: 9:30 a.m. – 6:00 p.m.
• Sunday: 10:00 a.m. – 6:00 p.m.

The food court will also be open, and gas stations typically follow warehouse hours. However, hours may vary by location, so it’s best to check the Costco Store Locator (costco.com in Bing) before heading out.

Is Costco’s Business Center Open on MLK Day 2026?

Yes, Costco Business Centers will be open on MLK Day 2026. These centers cater to small businesses and offer bulk items not typically found in standard warehouses.

Typical Business Center hours:

• Monday–Saturday: 7:00 a.m. – 6:00 p.m.
• Sunday: Closed (some locations open 8:00 a.m. – 4:00 p.m.)

As always, check your local Business Center’s hours online, as they may differ by region.

Does Costco Have an MLK Day Sale?

Costco does not run a specific MLK Day sale, but you can still find January savings in the monthly Costco Coupon Book. Expect discounts on:

• Electronics
• Appliances
• Health and wellness products
• Pantry staples

These deals are available in-store and online at Costco.com, which operates 24/7 year-round.

Costco Holiday Closures in 2026

Costco typically closes for seven major holidays each year. In 2026, Costco will be closed on:

Costco will remain open on MLK Day, Presidents Day, Columbus Day, and Veterans Day.

Are you planning a Costco run this MLK Day? Let us know what’s on your shopping list in the comments.

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Amanda Blankenship

Amanda Blankenship is Chief Editor at District Media, Inc., leading content strategy, quality assurance, and editorial operations across high-traffic personal finance sites like SavingAdvice.com and CleverDude.com. A Wingate University graduate with a BA in Communications (Journalism focus), she brings over a decade of experience in digital publishing, writing, and team leadership in the personal finance space.