Top 10 largest Costco Stores in the USA

Do you want a shopping adventure filled with mega-deals and warehouse-sized bargains? Look no further than Costco. But what if you want the ultimate Costco experience, a shopping wonderland with aisles stretching as far as the eye can see?
Top 10 largest Costco Stores in the USA

Do you want a shopping adventure filled with mega-deals and warehouse-sized bargains? Look no further than Costco. But what if you want the ultimate Costco experience, a shopping wonderland with aisles stretching as far as the eye can see? Our list of the Top 10 Largest Costco Stores in the USA is for you. We’ll explore the champion warehouse, bursting with bulk-sized savings, and explore other super-sized Costcos across the nation. Get ready to discover locations with enough space to stock a small city, all designed to satisfy your Costco cravings.

1: Costco Phoenix (Avondale), Arizona

The Costco in Avondale, Arizona is a warehouse club offering bulk groceries, electronics, appliances, and more. They boast a gas station, pharmacy, food court, and tire service center. Their hours are weekdays 10 am to 8:30 pm, Saturdays 9:30 am to 6 pm, and Sundays 10 am to 6 pm (closed on Memorial Day). Remember, shopping at Costco requires a membership.

Address: 10000 W McDowell Rd, Avondale, AZ 85392, United States

Phone: +1 623-907-5663 

2: Costco Salt Lake City, Utah

There isn’t a standard Costco location in Salt Lake City itself. However, you’re well-covered with two options nearby: the Salt Lake City Costco Business Center, known for bulk quantities and business-oriented products, and the West Valley City Costco Wholesale, offering the familiar Costco experience with groceries, electronics, and a food court.

Address: 1818 S 300 W, Salt Lake City, UT 84115, United States

Phone: +1 801-485-9715

3: Costco Las Vegas (Summerlin), Nevada

Costco Las Vegas (Summerlin) is a warehouse club offering bulk groceries, electronics, appliances, and more. They boast a gas station with cheaper prices for members, a pharmacy, and an optical department. Their hours are weekdays 5:30 am-9:30 pm, Saturdays 6 am-8 pm, and Sundays 6 am-7:30 pm (closed on Memorial Day).

Address: 801 S Pavilion Center Dr, Las Vegas, NV 89144, United States

Phone:  +1 702-352-2053

4: Costco Austin, Texas

Austin boasts two Costco locations. Both offer bulk groceries, electronics, home goods, and a food court. The north location (Research Blvd) has gas and slightly longer weekday hours (open until 8:30 pm). The south location features a pharmacy and slightly earlier weekend hours (opens at 9:30 am on Saturdays). Whichever you choose, remember a Costco membership is required for shopping.

Address: (4301 W William Cannon Dr BLDG A STE 100, Austin, TX 78749) 

5: Costco Dallas, Texas

There’s a Costco Wholesale in Dallas, Texas offering a vast selection of bulk groceries, electronics, appliances, and more. They boast a gas station with cheaper prices, a food court for a quick bite, and a pharmacy for prescriptions. Their hours vary slightly by department but generally run Monday through Friday with slightly shorter weekend hours. Be sure to check their website for specifics or call them at +1 469-680-7546.

Address: 8055 Churchill Way, Dallas, TX 75251, United States

Phone:   +1 469-680-7546

6: Costco Chicago (Melrose Park), Illinois

Located on the former site of Kiddieland Amusement Park, the Melrose Park Costco boasts over 152,000 square feet of shopping space. This warehouse club offers bulk groceries, appliances, electronics, and more, all at discounted prices for members. They employ over 200 people and are open on Sundays for shorter hours than on weekdays.

Address: 8400 W North Ave, Melrose Park, IL 60160, United States

Phone:   +1 708-397-2905

7: Costco Atlanta (Cumberland), Georgia

Costco Atlanta (Cumberland), Georgia is a warehouse store offering bulk groceries, electronics, appliances, and more. They also have a gas station, pharmacy, food court, and tire center. Their hours are Monday-Saturday 10 am-8:30 pm and Sunday 10 am-6 pm (with slightly earlier gas station hours). You can call them at  +1 770-431-1700. While it might not be the biggest Costco, it has all the shopping benefits you expect.

Address: 2900 Cumberland Mall, Atlanta, GA 30339, United States

Phone:  +1 770-431-1700

8: Costco San Diego (Morena), California

Costco San Diego (Morena) is a warehouse club offering bulk groceries, electronics, appliances, and more. They also have a gas station, pharmacy, and food court. Their hours are weekdays 10 am-8:30 pm, Saturdays 9:30 am-6 pm, and Sundays 10 am-6 pm (gas station hours differ). It’s a popular location, so expect crowds, especially on weekends.

Address: 4605 Morena Blvd, San Diego, CA 92117, United States

Phone: +1 858-270-6920

9: Costco San Francisco (South San Francisco), California

There are actually three Costco locations in South San Francisco, California! Each offers bulk groceries, home goods, and a food court. They all have gas stations and tire centers. Hours are similar across locations, typically weekdays from 9 am to 8:30 pm and weekends from 9 am to 7 pm. You can find phone numbers and specific details on the Costco website.

Address: 451 S Airport Blvd, South San Francisco, CA 94080, United States

Phone: +1 650-872-2021

10: Costco Los Angeles (Northridge), California

Costco Los Angeles (Northridge) is a warehouse club offering bulk groceries, electronics, appliances, and more. Located at 8810 Tampa Ave, it’s ideal for residents of Northridge, Porter Ranch, and Granada Hills. Weekday hours are 10:00 am to 8:30 pm, while weekends and Memorial Day are closed. You can call them at (818) 775-1860 for inquiries.

Address: 8810 Tampa Ave, Los Angeles, CA 91324, United States

Phone: +1 818-775-1860

Read More About the Top 10 Busiest Costco Stores in the United States

FAQs

How many Costco stores are there in the USA?

According to a study conducted by scrapehero.com, there are 610 Costco stores in the United States till May 2024. 

Who owns Costco USA?

Costco isn’t owned by one person but by many. It’s a publicly traded company with major investors like The Vanguard Group.

Why is Costco so famous?

Costco’s fame stems from deep discounts on bulk goods, high-quality private label items, and a loyal following who love the treasure hunt shopping experience.

Conclusion

Whether you’re a seasoned Costco visitor or a curious bulk-buying newbie, this list has hopefully opened the doors (quite literally) to the biggest and best Costco experiences in the USA. From coast to coast, these warehouses offer affordable shopping adventures with everything you need to stock your pantry, decorate your home, and fulfill your wildest bargain dreams. So grab your membership card, prepare to be amazed, and get ready to shop without breaking your bank.