Costco hours

Most Costco warehouses are open 10 AM to 8:30 PM Monday through Friday, 9:30 AM to 7 PM Saturday, and 10 AM to 6 PM Sunday. Executive Members can shop from 9 AM weekdays and Sunday, and from 9 AM to 9:30 AM Saturday. Hours vary by warehouse, so check the locator below for your nearest Costco.

Costco Wholesale is the second-largest US retailer with about 600 warehouse clubs nationwide and a separate Business Center format that serves restaurants and small businesses with different hours.

This page covers what time Costco opens and closes today, the working hours by day, whether your warehouse is open Saturday or Sunday, and how Costco handles holidays like Memorial Day, Independence Day, Thanksgiving, and Christmas.

Two Costco-specific things worth knowing. Executive Members get early access starting at 9 AM, an hour before the standard 10 AM opening on weekdays and Sundays. Costco closes for exactly seven holidays a year, fewer than most major retailers.

Use the locator below for your specific warehouse, including gas station, pharmacy, optical, and tire center hours.

Is Costco open today?

Costco generally follows the standard weekly schedule below. Hours can vary by location - confirm your specific store via the official locator.

Costco weekly hours

Costco holiday hours

Is Costco open on Saturday?

Saturday hours at Costco warehouses are 9:30 AM to 7 PM at most locations, an earlier open and earlier close than weekdays. Executive Members get a 30-minute early entry from 9 AM to 9:30 AM Saturday. Costco Business Centers usually run 7 AM to 6 PM Saturday, with hours that match weekday operations.

Is Costco open on Sunday?

Sunday hours at Costco warehouses are 10 AM to 6 PM, the shortest day of the week. Executive Members enter at 9 AM. Costco Business Centers used to be closed Sunday, but many now keep limited Sunday hours of 8 AM to 4 PM or follow the same 7 AM to 6 PM schedule as the rest of the week. Use the locator and filter by the location type for your specific Costco.

Find a Costco store near me

Hours vary by location, so the most accurate hours for your nearest store are on the official Costco store locator. Enter your zip code or city to see the closest stores and their current hours.

Costco hours - frequently asked questions

What time does Costco open today?

Standard Costco warehouses open at 10 AM Monday through Friday, 9:30 AM Saturday, and 10 AM Sunday. Executive Members enter an hour earlier, at 9 AM, every day except Saturday when the early window is 9 AM to 9:30 AM. Today's exact hours for your warehouse are on the costco.com locator.

Is Costco open on Sunday?

Yes. Most Costco warehouses are open Sunday from 10 AM to 6 PM. Sunday is the shortest operating day of the week. Executive Members get early access starting at 9 AM. Costco Business Centers vary on Sunday: many are now open 8 AM to 4 PM, while some remain closed Sunday.

Is Costco open on Saturday?

Yes. Most Costco warehouses are open Saturday from 9:30 AM to 7 PM, an earlier open and earlier close than weekdays. Executive Members get a 30-minute early window from 9 AM to 9:30 AM. Costco Business Centers usually run 7 AM to 6 PM on Saturday.

What are Costco Business Center hours?

Costco Business Centers are a separate store format for restaurants and small businesses, with different hours than regular warehouses. Most Business Centers run 7 AM to 6 PM Monday through Saturday. Sunday status varies: many locations now open 8 AM to 4 PM, others remain closed Sunday. Use the costcobusinessdelivery.com locator for your specific Business Center.

What are Costco Executive Member early-shopping hours?

Executive Members can shop from 9 AM, an hour before the standard 10 AM opening, Sunday through Friday. On Saturday, the early window is 9 AM to 9:30 AM, when the warehouse opens to all members. This early-access perk launched in September 2025 and runs at every US warehouse. Executive Membership is $130 per year.

What holidays is Costco closed?

Costco closes for seven holidays a year: New Year's Day, Easter Sunday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day. All warehouses, gas stations, pharmacies, and food courts close on these days. Costco stays open with normal hours on all other federal holidays, including MLK Day, Presidents Day, Juneteenth, Columbus Day, Veterans Day, and Black Friday.

What are Costco Christmas Eve hours?

On Christmas Eve, Thursday, December 24, 2026, Costco warehouses run modified hours of 8:30 AM to 5 PM, with an early open and early close. Christmas Day, Friday, December 25, all warehouses are closed. The same 8:30 AM to 5 PM schedule applies on New Year's Eve.

Is Costco open on New Year's Eve?

Yes, with modified hours. Costco warehouses run 8:30 AM to 5 PM on New Year's Eve, Thursday, December 31, 2026. Open earlier than usual and closing well before midnight. New Year's Day, Friday, January 1, 2027, all Costco warehouses are closed.

Is Costco open on Black Friday?

Yes. Costco runs normal hours on Black Friday, Friday, November 27, 2026, with the standard 10 AM to 8:30 PM weekday schedule. Costco does not do early-bird openings or doorbuster deals on Black Friday, unlike most other major retailers. Thanksgiving Day, the day before, all Costco warehouses are closed.

What is the Costco customer service phone number?

Costco Member Services is at 1-800-774-2678, available daily during warehouse hours. The Costco Pharmacy line is 1-800-607-6861 for prescription transfers, refill questions, and pharmacy hours. Costco Travel is at 1-866-921-7925. Costco Anywhere Visa support is 1-855-378-6467. The costco.com help center handles online order issues and Membership renewals.

How do I find a Costco near me?

Use the Costco warehouse locator at costco.com/warehouse-locations to search by ZIP code or city. The locator shows warehouse hours, gas station hours, pharmacy hours, optical, hearing aid, tire center, and food court hours per location. The map below shows nearby Costco warehouses based on your current location.

Are Costco gas, food court, optical, and pharmacy hours different from the warehouse?

Yes. Costco gas stations usually open earlier and close later than the warehouse, often 6 AM to 9:30 PM. Pharmacies typically run 10 AM to 7 PM Monday through Friday with shorter weekend hours. Optical, hearing aid, and tire center hours match warehouse hours but may close 30 to 60 minutes earlier. The food court closes when the warehouse closes.

Costco customer service: 1-800-774-2678 - call to confirm hours or ask questions.

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Last verified: May 2026 against Costco's official store locator and press releases.

Disclaimer: we are not connected with Costco or any other company. Whathours.com exists to show the working hours of good businesses worldwide.