Costco Headquarters (Different Locations, Addresses, Can You Visit, Contact Info + More)

Costco is one of the largest retailers in the world and ranks #10 on the Fortune 500 listing of the largest corporations by revenues in the US. The membership-based warehouse club has millions of loyal customers, attracted by the low prices.

Given the range and scale of its operations, customers, employees, job applicants, and business analysts may all be looking for more information on Costco. We looked up Costco headquarters, and here’s what we found!

Where Is Costco’s Headquarters In 2024?

Costco’s headquarters is located in Issaquah in Washington state in 2024. The mailing addresses are: 999 Lake Drive, Issaquah, WA 98027 and P.O. Box 34331, Seattle, WA 98124. The phone number for Costco headquarters is 1-425-313-8100. The customer service number for Costco is 1-800-774-2678. Costco can also be contacted by email at

For more information on Costco headquarters and how to contact customer service at the location, carry on reading for more useful information!

Where Is Costco Headquartered?

Costco’s world headquarters is located in the eastern suburbs of Seattle, in the town of Issaquah in Washington state.

How Can I Contact the Costco Corporate Offices?

You can send mail to the Costco corporate offices at either their physical addresses or to their PO Boxes. You can also call them directly.

Their addresses are:

  • Costco Headquarters
  • 999 Lake Drive
  • Issaquah, WA 98027


  • Costco Headquarters
  • P.O. Box 34331
  • Seattle, WA 98124
  • The phone number for Costco headquarters is 1-425-313-8100.

Where Can I Find Contact Information for Costco Complaints?

Customers who have complaints, problems, or feedback can contact Costco in a number of different ways.

You can reach Costco customer service by phone or email, or connect with its social media accounts.


  • Costco Customer Support: 1-800-774-2678
  • com online orders: 1-800-955-2292, Monday to Friday 5 a.m, to 8 p.m. and Saturday – Sunday 5 a.m. to 7 p.m. Pacific time
  • Membership and Warehouse: 1-800-774-2678 Monday to Friday, 6 a.m. to 6 p.m. Pacific time


The email address for Costco Customer Care is


Customers can use the online Costco Customer Service forms for a range of issues like orders, membership, returns, price adjustment, delivery, and warehouse locations.

In addition, there is an online chat feature that offers customers live support.

Live chat is available for Costco online questions Monday to Friday from 5 a.m. to 8 p.m. and on Saturday and Sunday from 6 a.m. to 6 p.m. Pacific time.

For questions concerning Costco membership, live chat hours are Monday to Friday from 6 a.m. to 6 p.m. and Saturday and Sunday from 8 a.m, to 5 p.m. Pacific time.

Social Media

You can follow and connect with Costco on its social media accounts:

Who Owns Costco Kirkland?

Who Owns Costco Kirkland?

Kirkland signature is the store brand from Costco. It includes a wide range of products including groceries, clothing, pharmacy, and household products.

Unlike many other giant retailers such as Walmart and Target, Costco uses just the one brand name, Kirkland Signature, for all of its own products.

The name Kirkland is taken from the original location of the Costco headquarters in Washington state.

Costco co-founder Jim Sinegal reportedly said about the decision to choose the name Kirkland that “Nobody could spell Issaquah, so we kept it.”

Who Is the CEO of Costco?

The current CEO of Costco is W. Craig Jelinek. He also heads the Costco Board of Directors. As of February 2022, Ron Vachris has been appointed President of Costco.

Who Founded Costco?

Costco was founded by Jim Sinegal and Jeff Brotman in 1983. The first Costco warehouse was opened in Seattle.

In 1993, Costco merged with Price Club, which opened its first store in San Diego, California, in 1976. Price Club was founded by Sol Price.

Both Costco and Price Club operated as membership-based warehouse clubs where customers could shop for everything under one roof at rock bottom prices.

Who Owns Costco Now?

Costco is a publicly traded company on the New York Stock Exchange with the symbol COST.

Costco is owned by its shareholders and managed by its Board of Directors  and Executive Officers.

What Does Costco Stand For?

The name Costco stands for Cost Company, and was chosen because of its goal of providing quality products at wholesale prices to customers.

To learn more, you can also read our posts on how to quit Costco, Costco SWOT analysis, and what is Costco.


As one of the largest retail chains in the world, Costco’s headquarters in Issaquah, Washington state, is an important center of operations. Customers and employees can contact Costco headquarters by phone and mail, and also connect with the company through social media.

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Marques Thomas

Marques Thomas graduated with a MBA in 2011. Since then, Marques has worked in the retail and consumer service industry as a manager, advisor, and marketer. Marques is also the head writer and founder of

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