How to cancel Costco membership

To cancel Costco membership, the primary member can go to any Costco warehouse membership counter for an immediate refund, or call Member Services on 1-800-774-2678. Only the primary member can cancel.

Checked 27 September 2026 against Costco membership's own help pages · Official cancel page · US and UKNot online

How to cancel Costco membership

  1. The primary member can go to any Costco warehouse membership counter and get an immediate refund.
  2. Or call Costco Member Services on 1-800-774-2678 and speak to an agent.

Watch out for

If they offer you a deal to stay

You don't have to accept a retention offer. If you still want to cancel, choose the option to continue, and don't stop until you see a confirmation screen or email.

Signed up through Apple or Google?

If you signed up in an iPhone app, cancel in iPhone Settings under your name, then Subscriptions. If you signed up on Android, cancel in the Google Play Store under Payments and subscriptions.

Your rights in the UK

More on UK subscription rights

In the US, the FTC's click-to-cancel rule is not in force. What that means for you.

Quick answers

Can I cancel Costco membership online?
Not fully online. The primary member can go to any Costco warehouse membership counter and get an immediate refund.
What should I watch out for when cancelling Costco membership?
Only the primary member can cancel.

Sources

Ask Cancel My Sub yourself

Type the name of any subscription and get the same steps, plus a calendar reminder for the last safe day to cancel. Open Cancel My Sub, free, no sign-up.

In Claude or any app that takes MCP connectors, add https://goodturn-mcp.pages.dev/cancelmysub/mcp and ask: “How do I cancel Costco membership?”

More memberships and delivery to cancel