Costco Corporate Office address, Phone Number and Email

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Below you can find the Contact details of Costco Corporate Office Address, Mailing and Postal Office address along with the contact information like the toll-free phone number, Email, website details, fax number which will help you to contact Costco.

Costco Corporate Office is the headquarters of the Costco Company. The office is located in Issaquah, Washington, United States. The address of the corporate office is 999 Lake Drive NE, Issaquah, WA 98027-2030. The Costco Company was founded in 1983 by James Sinegal and Jeffrey Brotman.

Costco is the largest membership warehouse club chain in the world. The company is also one of the largest retailers in the United States, Canada, and Mexico. Costco’s international headquarters are located in Issaquah, Washington. It is recognized worldwide as an excellent shopping destination for high-quality brand-name merchandise at very low prices.

Costco Corporate Office Address Contact Information

Costco Corporate Office Address

Costco is headquartered in Issaquah, Washington. You can contact the company via phone at 1-866-861-0450, by mail at Costco, 10775 N.E. 8th Street, Issaquah, Washington 98027, or by email at

Costco Headquarters
999 Lake Drive
Issaquah, WA 98027
United States

If you have any questions, concerns, or feedback, Costco’s Customer Service page is your go-to source. There you can get in touch with a representative via phone at 1-800-774-2678 or email at You can also submit form responses to any frequently asked questions on the site.

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When you’re having issues, Costco customer service is here to help. With speedy responses, 24/7 support, and a personal touch for each customer, it’s easy to see why Costco’s services are a cut above the rest.

Costco Corporate Phone Number

If you need to reach out to Costco Corporate, you can call them at 1-888- COMCAST. Costco employees are so friendly and helpful! Costco stores are always clean and well-organized, the lines move quickly, and everyone is so friendly.

Headquarters Phone Number: (425) 313-8100

Customer Service Support Phone Number: 1-800-774-2678

The number given above may not be a toll-free phone number and you may get charged while calling this number at the usual calling prices. This customer support number of Costco is available on normal working hours and may be closed during some official holidays.

Costco’s customer service team might not be available the same hours everywhere. That’s why it’s important to know what hours to expect when you dial. The hours for the telephone support line are Monday through Friday, 9 a.m. to 9 p.m. Eastern Standard Time (EST). Those who call Costco’s toll-free number outside of normal business hours will be asked to leave a message.

Costco Corporate Office Email Address:

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Costco Social Media Links:

Costco Online Resources:

Costco’s customer service is always on the ball and ready to resolve any issue. The company has a solid reputation for delivering high-quality industry-leading customer service, which is why it has millions of loyal customers around the globe.

With fast, friendly and efficient customer service, Costco can handle every concern you might have with a purchase. Most issues can be handled through email or phone, but some more complicated problems — like returns or exchanges — might need to be handled in person at the store.

How Do I File A Complaint With Costco Corporate?

If you’re not happy with the product you’ve purchased at Costco, you can file a complaint with Costco’s corporate offices. The best way to file a complaint with Costco is to visit the website and fill out the customer service feedback form.

Costco is a membership-based retailer, and as such has a very strict refund policy. One of the reasons that Costco has such a high satisfaction among its customers is because their return policy is so liberal. They accept merchandise for a return with or without a receipt, even years after purchase. However, you can also file a complaint if you have received poor customer service or don’t feel that your complaint has been resolved.

3 thoughts on “Costco Corporate Office address, Phone Number and Email

  1. Nicole Rivers

    I am a previous Costco Executive member but when my family moved to East Texas from California there isn’t a Costco closer than 2 hours away. Tyler, TX would be a great location and a much better option for the community than the Sam’s Club we are stuck with. Please please build a Costco in Tyler, TX.

  2. Ron Moore

    My wife and I have been executive members for over ten years. We love shopping at Costco, however after moving eight years ago from a 15 minute drive to a Costco we now have a two hour drive one way to a Costco. We have many friends where we live now that would be absolutely ecstatic if Corporate were to decide to build a new store in LaCrosse Wisconsin. It would serve a tri-state area ( Wisconsin,Minnesota & Iowa) which I believe to be a smart buisness move. We currently live in a small Mississippi River town called Ferryville, WI. and it’s a four hour drive to the Rochester MN. Costco and back home. Thanks for your attention, Ron Moore, Member# 111814839703.


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