How do I cancel Costco Membership?

To cancel Costco Membership, follow the step-by-step guide on this page. The process varies by platform - see the method sections above for online, phone, and app cancellation options.

Can I get a refund when I cancel Costco Membership?

Costco Membership refund policies vary. Most services do not offer prorated refunds for the current billing period, but you retain access until the period ends. Check the refund section in this guide for Costco Membership's specific policy.

Will I lose my data if I cancel Costco Membership?

When you cancel Costco Membership, you typically retain access until the end of the billing period. Download or export any important data before your access expires. See this guide for Costco Membership-specific data retention details.

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Cancellation guide · Updated 2026

How to Cancel Costco Membership

Last verified May 2026 · Full prorated refund guaranteed

CancelNest Editorial
Reviewed & updated June 2026

Easy - full refund available

Cancel Costco membership - step by step

1
Visit any Costco membership desk
Go to the membership desk at any warehouse with your card and photo ID. This is the fastest method with immediate refund processing.
2
Request cancellation and a prorated refund
Costco refunds the unused portion of your membership year - their standard satisfaction guarantee, no questions asked.
3
Or call 1-800-774-2678
Call Costco Member Services. The prorated refund is credited back to your original payment method.

Costco's satisfaction guarantee is genuine - and rare

Unlike almost every other subscription, Costco offers a 100% prorated refund at any time for any reason. Request it explicitly - it may not be offered automatically.

Issue with your Costco refund?

Get a dispute letter if your refund was not processed correctly.

Get dispute letter →

Last verified - May 2026

Frequently asked questions

Can I rejoin Costco after canceling?: Yes - at any Costco location or at costco.com at any time.
What happens to my Costco Visa card?: The Citi Costco Anywhere Visa is tied to membership. Contact Citi about your options before canceling.
Can Executive Members get a refund?: Yes - prorated membership refund plus any unredeemed 2% rewards balance.

How to Cancel Costco Membership

Frequently asked questions

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