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Is Costco open on Martin Luther King Jr. Day 2027 in United States?

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Yes — Costco is open on Martin Luther King Jr. Day 2027 in United States.

Date: 2027-01-18

Hours: 10:00-20:30

Verified: 2026-08-05

Official announcement

What's open on Martin Luther King Jr. Day in United States Costco holiday hours

Frequently asked questions

Is Costco open on Martin Luther King Jr. Day 2027 in United States?

Yes — Costco is open on Martin Luther King Jr. Day 2027 in United States. Opening hours: 10:00-20:30. Last verified Wed 5 Aug.