Costco Corporate Office

Costco Headquarters Info

Costco’s worldwide headquarters are located in Issaquah, Washington, a suburb east of Seattle; the company opened its first warehouse in Seattle in 1983.

If you need to contact Costco corporate office, the best phone number to call is their support hotline at (425) 313-8100. The Costco headquarters in 999 Lake Dr, Issaquah, WA 98027.

Costco Contact Information

Costco headquarters address: 999 Lake Dr, Issaquah, WA 98027

Company website:

Head Office phone number: (425) 313-8100

Costco Customer Service Number: 1-800-774-2678

Support email address:

Customer service hours: Open Monday to Friday, 6 am to 6 pm, Saturday to Sunday, 8 am to 5 pm.

Costco Headquarters Executive Team

Executive Officers

Jeff Abadir: Senior Vice President, General Manager-Bay Area Region
Claudine Adamo: Senior Vice President, Merchandising – Non-Foods & Ecommerce
Don Burdick: Senior Vice President, Global Ecommerce & Travel
Pat Callans: Executive Vice President, Administration
Richard Chang: Senior Vice President, General Manager – Asia
Richard C. Chavez: Senior Vice President – Costco Wholesale Industries & Business Development
Victor A. Curtis: Senior Vice President, Pharmacy
Richard Delie: Senior Vice President, Merchandising – Non-Foods & Ecommerce

Board Of Directors

Hamilton E. James: Chairman of the Board
Susan Decker: Director
Kenneth D. Denman: Director
Richard A. Galanti: Executive Vice President, Chief Financial Officer and Director
W. Craig Jelinek: President, CEO and Director
Sally Jewell: Director
Richard M. Libenson: Director Emeritus


Can I chat with Costco customer service?
Select the Chat Us option on this page. *Hours vary by department. Hours vary by department.

Who is 800 774 2678?
For general questions about your Costco membership, please contact Costco Membership and Warehouse Services by chat or phone at 1-800-774-2678.

How do I speak to a Costco agent?
You can call the Costco membership customer service phone number at 1-800-774-2678. Alternatively, you may send them an email by visiting the “Contact Us” section on their website and selecting the email or live chat option from the “Contact Us” section.

How do I contact Costco technical support?
Using Costco Concierge is simple—just call 1-866-861-0450.

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