Planning your next Costco run? Don’t walk in blind—knowing the exact Costco hours can save you time, avoid frustration, and even help you snag the best deals before they’re gone. Whether you’re a weekend warrior or a weekday shopper, we’ve got the ultimate guide to help you master your schedule with precision.
Costco Hours by Day: What Time Does Costco Open and Close?
Understanding the standard Costco hours by day is the foundation of a smooth shopping experience. While most warehouses follow a predictable schedule, there are variations based on location, membership type, and special events. Let’s break it down day by day.
Monday to Thursday: Standard Operating Hours
For most Costco locations across the United States, Monday through Thursday follows a consistent schedule:
- Regular members: 10:00 AM – 8:30 PM
- Warehouse employees and early access for Costco Executive Members: 9:00 AM – 10:00 AM (in select locations)
- Pharmacy hours may differ, typically opening at 10:00 AM and closing at 7:00 PM
This schedule allows for thorough restocking and cleaning overnight, ensuring shelves are stocked and floors are clean for weekday shoppers. However, always verify with your local warehouse, as urban or high-traffic locations may have adjusted times.
Friday and Saturday: Extended Hours for Weekend Shoppers
As the weekend approaches, Costco extends its hours to accommodate higher foot traffic:
- Opening time: 9:00 AM
- Closing time: 9:00 PM
- Early access for Executive Members and seniors: 8:00 AM – 9:00 AM (in many locations)
These extended Costco hours are especially helpful for families doing bulk grocery shopping or individuals picking up large household items. The earlier opening time on Fridays and Saturdays is a game-changer for those looking to avoid crowds later in the day.
Sunday Schedule: A More Relaxed Pace
Sundays at Costco tend to be more relaxed, with slightly earlier closing times:
- Opening: 10:00 AM
- Closing: 6:00 PM or 7:00 PM (varies by location)
- Early access: Typically not offered on Sundays
This shorter window reflects lower demand on Sundays, though many shoppers still prefer this day for post-weekend planning and meal prep. Always double-check your local store’s Sunday Costco hours via the Costco warehouse locator.
Costco Hours for Members: Executive Access and Senior Shopping Times
One of the biggest perks of being a Costco member—especially an Executive Member—is early access. These special Costco hours are designed to give loyal shoppers a head start on deals and reduce congestion.
Executive Member Early Hours
Executive Members (those with the $120/year membership) enjoy exclusive shopping privileges before the general public:
- Available Monday–Saturday, one hour before regular opening
- Typically 8:00 AM – 9:00 AM at most locations
- Not available on Sundays or holidays
This early window is perfect for snagging limited-quantity items like Kirkland Signature products, electronics, or holiday specials. According to Costco’s official membership page, this benefit is one of the top reasons members upgrade to Executive status.
Senior Shopping Hours (80+ Age Group)
While not a nationwide policy, some Costco warehouses offer dedicated shopping times for seniors aged 80 and older:
- Limited to specific locations, often during the first hour of operation
- Designed to provide a safer, less crowded environment
- Proof of age may be required
These hours are not officially branded as “senior hours” by Costco corporate but are implemented locally in response to community needs, especially during flu season or public health concerns.
“Early access isn’t just a perk—it’s a strategy. Shoppers who use Executive Member hours report finding better stock availability and shorter lines.” — Retail Insights Report, 2023
Holiday Hours: How Costco Schedules Change on Major Holidays
Costco doesn’t operate on a 365-day schedule. Several major holidays affect Costco hours, with some locations closing entirely. Planning ahead is crucial.
Holidays When Costco Is Closed
Costco observes the following holidays with full closures:
- New Year’s Day
- Memorial Day
- Independence Day (July 4th)
- Thanksgiving Day
- Christmas Day
These closures are consistent across all U.S. warehouses. If you’re planning a holiday meal or gift run, make sure to shop a day or two in advance. You can verify holiday closures on the Costco holiday hours page.
Modified Hours on Other Holidays
Some holidays feature shortened operating hours instead of full closures:
- Labor Day: Open with regular hours in most locations
- Christmas Eve: Typically closes early (e.g., 5:00 PM or 6:00 PM)
- New Year’s Eve: Often closes early, similar to Christmas Eve
- Easter Sunday: Open with regular Sunday hours
These modified Costco hours allow employees time off while still serving last-minute shoppers. Always confirm with your local warehouse, as early closures can vary.
Black Friday and Special Event Hours
Unlike many retailers, Costco does not participate in Black Friday doorbusters. However, they do adjust hours during the holiday shopping season:
- No midnight openings or 24-hour sales
- Extended weekend hours in December
- Increased security and staffing during peak times
Instead of flashy promotions, Costco focuses on member-exclusive deals throughout the month, accessible only with a valid membership card.
Costco Pharmacy Hours: What You Need to Know
The pharmacy is one of the most visited departments in any Costco warehouse, but its hours don’t always align with general Costco hours. Understanding this difference can prevent wasted trips.
Standard Pharmacy Operating Times
Costco Pharmacy typically operates on a slightly different schedule:
- Monday–Friday: 10:00 AM – 7:00 PM
- Saturday: 10:00 AM – 5:00 PM
- Sunday: 10:00 AM – 4:00 PM (if open)
- Closed on major holidays (same as warehouse)
These hours are designed to align with prescription refill patterns and insurance processing times. Some locations offer drive-thru pharmacy services with even more limited hours.
Filling Prescriptions and Refill Tips
To maximize efficiency when using Costco Pharmacy:
- Transfer prescriptions online via Costco’s pharmacy portal
- Use the mobile app to check refill status
- Arrive before 6:00 PM to ensure processing on the same day
Many members report savings of 30–80% on generic medications, making the pharmacy one of the top reasons to maintain a Costco membership.
Vaccinations and Health Services
In addition to prescriptions, Costco Pharmacy offers:
- Flu shots (seasonal)
- COVID-19 vaccines and boosters
- Travel immunizations
- Blood pressure monitoring
These services are available during pharmacy hours and often require appointments. Check with your local warehouse for availability and scheduling options.
Costco Gas Station Hours: Fuel Up Faster
If you’re looking to save on gas, Costco is a top contender—but only if you know the Costco hours for the fuel station, which often differ from the main warehouse.
Typical Gas Station Operating Hours
Costco Gas stations usually operate:
- Monday–Friday: 6:00 AM – 8:00 PM
- Saturday: 6:00 AM – 7:00 PM
- Sunday: 7:00 AM – 6:00 PM
These extended hours make it convenient for early commuters and weekend travelers. However, gas stations may close earlier during severe weather or staffing shortages.
Membership Requirements for Gas Purchases
To buy gas at Costco, you must:
- Have a valid Costco membership
- Present your membership card at the pump
- Use a PIN-enabled credit/debit card (no cash)
Guests cannot purchase gas unless accompanied by the primary member. This policy helps prevent fraud and ensures only members benefit from the low prices.
Why Costco Gas Is Cheaper (And How Long Lines Affect Access)
Costco is consistently ranked among the cheapest gas providers in the U.S. due to:
- Low markup strategy (typically 14–20 cents below market)
- High volume sales model
- Revenue offset from membership fees
However, popularity leads to long lines, especially on weekends. Pro tip: Visit between 10:00 AM–2:00 PM on weekdays for the shortest wait times.
“Costco sells over 1 billion gallons of gas annually, making it one of the largest fuel retailers in the country.” — Costco Gas Operations Report
How to Find Your Local Costco Hours Online
The most reliable way to check Costco hours is through official channels. With over 800 warehouses in the U.S. alone, local variations are common.
Using the Costco Store Locator Tool
The Costco warehouse locator is the gold standard for accurate information:
- Enter your ZIP code or city
- Select your nearest warehouse
- View detailed hours for warehouse, pharmacy, optical, and gas
- Get real-time updates during holidays or emergencies
This tool is updated regularly and reflects any temporary changes due to weather, staffing, or local regulations.
Costco App: Real-Time Hours and Shopping Lists
The Costco mobile app (available on iOS and Android) offers:
- Instant access to your warehouse’s current Costco hours
- Push notifications for early access alerts
- Integrated shopping list and digital membership card
- Gas price updates in real time
Downloading the app is a no-brainer for frequent shoppers. It syncs with your membership and provides a seamless shopping experience.
Calling Your Local Warehouse Directly
Sometimes, the fastest way to confirm Costco hours is a simple phone call:
- Find the phone number via the store locator
- Call during operating hours for immediate confirmation
- Ask about department-specific hours (e.g., tire center, optical)
This method is especially useful during holiday weeks or extreme weather events when online updates may lag.
Costco Hours Around the World: International Variations
Costco isn’t just a U.S. phenomenon. With operations in Canada, Mexico, the UK, Japan, South Korea, and more, Costco hours vary significantly by country.
Canada: Similar but Not Identical
Canadian Costco warehouses follow a similar pattern:
- Monday–Thursday: 10:00 AM – 8:30 PM
- Friday–Saturday: 9:00 AM – 9:00 PM
- Sunday: 10:00 AM – 6:00 PM
- Holidays: Closed on Christmas Day, Boxing Day, and Good Friday
Executive Member early access is also available, typically from 8:00 AM–9:00 AM on weekdays and Saturdays.
Mexico and Puerto Rico: Extended Weekend Hours
In Mexico and Puerto Rico, Costco often opens earlier and stays open later:
- Weekday openings as early as 8:00 AM
- Saturday closings at 9:30 PM or 10:00 PM
- Higher weekend traffic due to family shopping culture
These extended Costco hours reflect local consumer behavior and retail norms.
Asia: Unique Schedules and Cultural Considerations
In countries like Japan and South Korea:
- Warehouses may open as early as 7:00 AM
- Closing times vary between 8:00 PM and 10:00 PM
- Increased foot traffic during lunar holidays and gift-giving seasons
Some Asian locations offer same-day delivery services, reducing in-person shopping time. Always check local listings when traveling.
Tips for Shopping at Costco During Peak and Off-Peak Hours
Knowing Costco hours is only half the battle. Timing your visit right can transform your experience from chaotic to calm.
Best Times to Shop: Avoiding the Crowds
For the smoothest shopping experience:
- Weekdays: 10:30 AM – 1:00 PM (after morning rush, before lunch crowd)
- Tuesdays and Wednesdays: Least crowded days
- Use Executive early access (8:00 AM–9:00 AM) if available
Avoid weekends between 11:00 AM–4:00 PM, when families and bulk shoppers dominate the aisles.
Worst Times to Visit Costco
Steer clear of these high-traffic periods:
- Saturday 12:00 PM – 3:00 PM
- Payday weekends (especially near military bases or corporate hubs)
- Days before major holidays (Thursday before Thanksgiving, Christmas Eve)
- Rainy weekends (when indoor shopping spikes)
During these times, parking lots can be full, carts scarce, and checkout lines over 20 minutes long.
How to Maximize Efficiency During Your Visit
To get in and out fast:
- Use the Costco app to create a shopping list
- Park near the entrance for easier cart access
- Shop in reverse (start from the back of the warehouse)
- Use self-checkout for small orders
Many seasoned shoppers follow the “warehouse loop” strategy—moving clockwise from electronics to groceries to avoid backtracking.
What are Costco’s regular weekday hours?
Most Costco warehouses are open from 10:00 AM to 8:30 PM Monday through Thursday. Executive Members can shop early from 8:00 AM to 9:00 AM at many locations.
Does Costco open early for seniors?
Costco does not have a nationwide senior shopping hour, but some local warehouses offer early access for members aged 80 and older, typically during the first hour of operation. Check with your local store for availability.
Are Costco gas stations open the same hours as the warehouse?
No, Costco gas stations often open earlier and close later than the main warehouse. Typical gas hours are 6:00 AM – 8:00 PM on weekdays, but this varies by location. Always verify using the Costco app or store locator.
What holidays is Costco closed?
Costco is closed on New Year’s Day, Memorial Day, Independence Day, Thanksgiving Day, and Christmas Day. Christmas Eve and New Year’s Eve often have early closing times.
Can non-members shop at Costco during special hours?
No, Costco does not allow non-members to shop during regular or early access hours. However, members can bring guests into the warehouse, and non-members can purchase gas with a member present.
Understanding Costco hours is more than just knowing when the doors open—it’s about optimizing your time, avoiding crowds, and making the most of your membership. From weekday schedules to holiday closures, pharmacy times to international variations, every detail matters. By using tools like the Costco app, store locator, and membership perks, you can turn your shopping trip into a seamless, efficient experience. Whether you’re fueling up, filling a prescription, or stocking up for the week, planning ahead with accurate Costco hours ensures you get what you need—without the stress.
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