Finding the right Costco hours before leaving home can save you an unnecessary trip, especially when you need to visit for groceries, fuel, prescriptions, or tire service. Costco warehouses generally follow a consistent schedule, but operating times can vary by location and department. Holidays can also change normal schedules, with some days requiring complete closure.
For the most accurate information, Costco recommends checking the individual warehouse listing because its location directory displays local hours and upcoming holiday closures.
What Time Does Costco Open and Close?
For many U.S. warehouses, regular shopping hours for Gold Star and Business members are typically 10:00 a.m. to 8:30 p.m. Monday through Friday, 9:30 a.m. to 7:00 p.m. Saturday, and 10:00 a.m. to 6:00 p.m. Sunday. Executive Members may receive earlier access at participating warehouses.
For example, Costco’s Tukwila, Washington, warehouse lists Executive Member hours beginning at 9:00 a.m. on weekdays and weekends, while standard member hours begin later.
These times should be treated as a general reference rather than a universal timetable. Individual warehouses can have different schedules, and Costco’s official location pages are the better source when planning a specific visit.
| Day | Typical Gold Star & Business Hours | Typical Executive Hours |
|---|---|---|
| Monday–Friday | 10:00 AM–8:30 PM | 9:00 AM–8:30 PM |
| Saturday | 9:30 AM–7:00 PM | 9:00 AM–7:00 PM |
| Sunday | 10:00 AM–6:00 PM | 9:00 AM–6:00 PM |
Why Costco Hours Can Differ by Location
Costco operates warehouses across different markets, so the schedule shown online may depend on the particular warehouse. Local operating decisions, holidays, and the services available at a location can all affect when different departments are open.
That is why searching for a generic schedule is not always enough. Costco’s warehouse directory lets shoppers select their location and view its specific opening and closing times. The company also displays upcoming holiday closures on individual warehouse pages.
This is particularly useful if you’re traveling to another city or planning a large shopping trip. A warehouse a few miles away may have slightly different service hours even when its main retail schedule looks similar.
Costco Gas Station Hours
Costco gas stations often open earlier and close later than the main warehouse. At several U.S. locations, gas stations operate from early morning into the evening.
For example, the San Diego warehouse lists gas hours of 5:30 a.m. to 10:00 p.m. Monday through Friday, 6:00 a.m. to 8:30 p.m. Saturday, and 6:00 a.m. to 7:30 p.m. Sunday.
The exact schedule isn’t universal. Some locations start at 6:00 a.m., while others may have different weekend or holiday hours. If fuel is the main reason for your trip, check the gas station section of your local warehouse listing instead of relying on the warehouse’s retail schedule.
💡 Pro Tip: If you’re visiting Costco mainly for fuel, check the gas station hours separately before driving over. The fuel center can open earlier than the warehouse, but that does not mean every other department is operating at the same time.
Costco Pharmacy and Other Services
The main warehouse isn’t the only place where opening times matter. Costco locations can include pharmacies, tire centers, optical departments, hearing aid services, food courts, and gas stations, and these departments may follow different schedules.
Pharmacy hours are a common example. The SE San Diego location lists pharmacy service from 9:00 a.m. to 7:00 p.m. Monday through Friday and 9:00 a.m. to 6:00 p.m. Saturday, while the pharmacy is closed Sunday.
Some pharmacies may also have a short pharmacist break during the afternoon. Costco notes this possibility on warehouse listings, so checking the department’s hours is worthwhile when a pharmacy visit is time-sensitive.
Tire centers generally follow warehouse hours at many locations, although appointments are recommended.
Is Costco Open on Holidays?
Holiday schedules are one of the biggest reasons normal Costco hours can be misleading.
Costco’s official U.S. holiday-closure information lists several holidays when its warehouses are closed, including New Year’s Day, Easter Sunday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day.
Because holiday schedules matter so much, don’t assume that a warehouse will operate normally simply because the date falls on a weekday. Costco’s individual location pages can show adjusted hours or closures for upcoming holidays.
If you’re planning a major shopping trip around a holiday weekend, checking the warehouse page shortly before your visit is the safest approach.
How to Check Your Local Costco Hours
The easiest way to confirm your schedule is through Costco’s official warehouse locator.
Search by city, state, or ZIP code, select the warehouse you plan to visit, and review its listed hours. The page can also show department-specific information and upcoming holiday changes.
Before leaving, check:
- Main warehouse opening and closing times
- Executive Member access, if applicable
- Gas station hours
- Pharmacy hours
- Tire center availability
- Holiday closures or adjusted schedules
This takes less than a minute and can prevent arriving when the service you need is unavailable.
What About Costco Business Centers?
Costco Business Centers are different from standard Costco warehouses. Their operating schedules can differ, and they are designed around a somewhat different shopping purpose.
For example, Costco’s Westminster Business Center in California lists hours of 7:00 a.m. to 6:00 p.m. every day, rather than following the standard warehouse timetable.
If you’re looking for a Business Center, make sure you are checking that specific location rather than assuming regular warehouse hours apply.
📌 Key Takeaway
The safest answer to “what time does Costco open?” is location-specific. Many U.S. warehouses follow a familiar schedule, but Executive Member access, gas stations, pharmacies, Business Centers, and holidays can all have different hours. Costco’s own warehouse directory is the most reliable place to confirm the schedule before you visit.
Frequently Asked Questions
What are the normal Costco hours?
Many U.S. Costco warehouses open at 10:00 a.m. and close at 8:30 p.m. Monday through Friday for Gold Star and Business members. Saturday hours are commonly 9:30 a.m. to 7:00 p.m., while Sunday hours are often 10:00 a.m. to 6:00 p.m. Individual locations can differ.
Does Costco open early for Executive Members?
Many warehouses provide Executive Members with earlier shopping access. A common schedule is 9:00 a.m. on weekdays and weekends, although access times depend on the specific warehouse. Check your local Costco listing before relying on early entry.
Is Costco open on Sunday?
Yes, most regular U.S. Costco warehouses are open Sunday, commonly from 10:00 a.m. to 6:00 p.m. for standard members. However, some individual departments, such as pharmacies, may have shorter schedules or remain closed on Sundays.
Are Costco gas stations open when the warehouse is closed?
Gas stations often operate for longer hours than the main warehouse, so their schedules can extend into early morning and late evening. However, holiday closures and local variations apply. Always check the gas station schedule for your particular warehouse.
Is Costco closed on major holidays?
Costco closes its U.S. warehouses on several major holidays, including Thanksgiving Day, Christmas Day, New Year’s Day, Easter Sunday, Memorial Day, Independence Day, and Labor Day.
Planning a Costco visit is much easier when you separate the warehouse schedule from the hours of the particular service you need. Instead of relying on a generic timetable, check the local listing before heading out. That quick step gives you the latest Costco hours and can also reveal holiday closures or department-specific changes.
