Top 10 Largest Costcos in California (2025)

Posted on Author Bells Hardingstone

Costco is one of the most recognized wholesale retailers in the United States, and California is home to some of its biggest and busiest locations. The largest Costco in California history have become more than just shopping destinations; they are community hubs where thousands of members gather daily for everything from bulk groceries to electronics and household goods. These warehouses are designed on a massive scale to serve California’s growing population. By looking at their size, services, and popularity, we can understand why these locations rank among the largest Costco in California history.

Top 10 Largest Costcos in California

1. Brentwood Costco – Contra Costa County

The Brentwood location is one of the largest Costco in California, spanning about 155,000 square feet. Positioned at 5151 Heidorn Ranch Road, this warehouse includes a massive 32-pump gas station, a food court, tire center, pharmacy, and optical department. The store serves as a regional shopping hub, attracting thousands of members from Contra Costa County and nearby areas. Its size, modern design, and extensive services make it a standout among the largest Costco in California, offering everything from bulk groceries to electronics and home essentials under one roof.

2. Fresno Costco – Herndon Avenue (Proposed Expansion)

Planned as the future largest Costco in California, the upcoming Fresno location will span an estimated 241,000 square feet, making it potentially the biggest Costco in the United States. Located near Herndon Avenue and Riverside Drive, the warehouse will include a huge 32-pump gas station, expanded receiving areas, and more storage for diverse products. This project is designed to replace an older, smaller Fresno Costco and meet growing demand. Its scale and comprehensive layout are why it ranks as one of the largest Costco in California, built to handle high traffic and customer needs.

3. Fresno Costco – West Shaw Avenue (Current)

The existing Fresno warehouse on West Shaw Avenue is already among the largest Costco in California, measuring about 134,000 square feet. It has long been a major shopping destination for Central Valley residents. Featuring a wide range of departments including pharmacy, food court, bakery, and tire center, it continues to serve customers until the larger replacement opens. Its size and strategic location make it a core part of Costco’s presence in California. The warehouse demonstrates how Fresno has become a central hub for one of the largest Costco in California.

See also  Top 10 Worst Fires in California (2025)

4. Sacramento Costco – Expo Parkway

The Sacramento Costco on Expo Parkway is recognized as one of the largest Costco in California, with expansive square footage and high member traffic. Its location near major highways makes it accessible to residents across the Sacramento Valley. The warehouse includes a full range of departments such as pharmacy, bakery, and photo services, as well as a busy tire center and optical department. The combination of size, convenience, and variety of services solidifies its position among the largest Costco in California, serving both city residents and surrounding communities effectively.

5. San Jose Costco – Senter Road

Located on Senter Road, the San Jose Costco ranks among the largest Costco in California, catering to one of the most densely populated regions in the state. With its spacious layout, it accommodates a full gas station, food court, pharmacy, and all standard Costco services. Its proximity to Silicon Valley ensures heavy traffic, making its large size necessary to handle the volume of members. The store’s capacity and popularity place it firmly in the category of largest Costco in California, meeting both everyday shopping and bulk purchasing needs for thousands of families.

6. Chino Hills Costco – Peyton Drive

The Chino Hills warehouse, located on Peyton Drive, is another example of the largest Costco in California. Its spacious structure offers more room than average locations, accommodating busy shopping crowds from the Inland Empire. The store features a wide selection of fresh produce, electronics, home goods, and a tire center. Its gas station is one of the busiest in the region. With its larger-than-standard footprint, the Chino Hills Costco ensures smooth shopping experiences even during peak hours, proving why it belongs on the list of largest Costco in California.

7. Los Angeles Costco – Los Feliz Boulevard

The Los Angeles Costco on Los Feliz Boulevard is notable as one of the largest Costco in California due to its urban setting and high member demand. The warehouse has a large floor plan designed to manage the traffic from central Los Angeles neighborhoods. It offers all key departments, including pharmacy, optical, bakery, and a busy food court. Its capacity to serve one of the state’s busiest cities makes it stand out. As one of the largest Costco in California, it is a critical shopping hub for urban residents seeking bulk savings.

See also  Top 10 Largest Aquariums in California (2025)

8. San Francisco Costco – 10th Street

The San Francisco location on 10th Street is unique because it combines the size of one of the largest Costco in California with the challenges of serving a dense city. Its large warehouse footprint allows for a wide range of products, including fresh food, appliances, and seasonal goods. With a busy tire center and food court, it draws shoppers from across the Bay Area. Being one of the largest Costco in California within a compact urban environment, it maximizes space to meet the shopping needs of thousands daily.

9. Irvine Costco – Spectrum Center Drive

The Irvine warehouse on Spectrum Center Drive is among the largest Costco in California, serving the Orange County region. Its modern design and expansive floor space make it a top shopping destination. It includes a gas station, tire center, optical department, and full grocery selection. The location benefits from its proximity to major shopping districts and residential communities, leading to high foot traffic. Its impressive size and ability to handle large volumes of shoppers make it a prime example of the largest Costco in California, offering variety and convenience.

10. Bakersfield Costco – Rosedale Highway

The Bakersfield Costco on Rosedale Highway rounds out the list of the largest Costco in California. Its spacious layout supports heavy customer traffic from across Kern County. The store includes all major Costco departments, plus a busy gas station and tire center, making it a complete shopping destination. Serving a large and growing population, this warehouse stands out for its ability to provide both convenience and variety on a grand scale. As one of the largest Costco in California, it continues to be a central hub for value shopping.

See also  Top 10 Largest Banks in California (2025)

Reasons Why They Are the Largest Costco in California History

  • California’s population density requires larger warehouses to serve millions of residents efficiently.
  • Strategic urban and suburban locations such as Los Angeles, San Jose, and Fresno attract heavy traffic.
  • Each large warehouse offers multiple services including pharmacy, bakery, optical, and tire centers.
  • Many of the largest Costco in California history feature massive gas stations with more than 30 pumps.
  • Their square footage surpasses the national average, some exceeding 150,000 to 240,000 square feet.
  • High demand for bulk shopping in California fuels expansions and the creation of oversized warehouses.
  • Their proximity to major highways and city centers makes them accessible to large communities.
  • Innovative designs, such as planned multi-level layouts and expanded storage, contribute to their ranking as the largest Costco in California history.

Reasons Why You Should Visit These Largest Costco in California History

  • Wide variety of products in bulk sizes ensures better value for families and businesses.
  • Larger layouts provide more comfort and reduce overcrowding during peak shopping hours.
  • Full-service facilities such as pharmacies, bakeries, and optical departments offer one-stop convenience.
  • Many of the largest Costco in California history include oversized gas stations with competitive prices.
  • Access to seasonal goods, appliances, and electronics not always available in smaller locations.
  • Locations in major cities make them convenient for both urban and suburban residents.
  • Membership at these large warehouses gives you access to unique shopping experiences and expanded inventory.

Conclusion

The largest Costco in California history stand out not only for their impressive square footage but also for their ability to serve diverse communities across the state. From the massive Brentwood warehouse to the upcoming Fresno location expected to be the biggest in the nation, these stores showcase Costco’s commitment to meeting the needs of millions of shoppers. Visiting these warehouses is more than just a shopping trip; it is an experience built around variety, value, and convenience. That is why the largest Costco in California history remain unmatched in scale and popularity.