Costco Customer Service – How to file a complaint?

Corporate Office Headquarters

999 Lake Drive Suite 200 Issaquah WA 98027

Email

Call

(800) 774-2678

Returns

Costco Resolution Reviews

Costco complaint statistics

  • 815 complaints filed

  • 187 Resolution reviews

  • Resolution rating 3.03 / 5

  • Customers willing to do business again 68%

What is No No No?

No No No is a consumer advocacy website that helps consumers file and resolve complaints with Costco, free of charge.

Our mission is to improve the relationship between businesses and consumers and to advocate for transparency.

If you need to resolve an issue with Costco, you can file a public complaint on No No No and we will deliver your complaint to Costco and ask them to resolve your issue. In return, after you have had your complaint resolved, we will ask you to write a resolution review based on the outcome of the resolution.

The reason we are operating this way is that a) it incentivizes Costco to resolve your issue and b) your resolution review help other consumers more than 'regular reviews' that do not tell the whole story. It is the outcome that matters, right?

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