This Selection Is for New Memberships Only.

If you are an existing Costco member, renew your membership here.

A Business Membership includes one free Household Card,* and allows you to purchase products for business, personal, and resale** use. Your Business Membership is valid for one year at any Costco location worldwide, and at Costco.com. All memberships must be renewed annually. Once you purchase a membership, a membership number will be emailed to you within 2 business days. To receive your membership card(s), visit the membership counter at any Costco location.

Business identification (business license, resale certificate,** or three pieces of business ID) is required when applying for a Business Membership. Please bring a copy of your order confirmation email, appropriate documentation and government-issued photo identification to any U.S. or Puerto Rico Costco membership counter.

Business Members also may add additional cardholders (Affiliates) to their membership account for $65 each per year, which also includes one Household Card per Affiliate.

Affiliates may be added to your membership when you sign up, either online or at the Costco membership counter, or at a later date.

For additional information about Costco membership, please review the Member Privileges and Conditions.

*Primary and Affiliate Members receive one free Household Card for anyone over the age of 16 and living at the same address.

**Business Members who wish to purchase for resale must provide the Costco warehouse membership counter with the appropriate resale information.

As a service to our Business Members who purchase tobacco products for resale, we provide certain information to the tobacco manufacturer’s representative to process retail incentives for our Business Members. The information we provide is the Business Member name, address, the brand name and the amount of tobacco products purchased. Pursuant to California law, if you are a Business Member in California and you do not want us to disclose this information on your behalf, you can notify us at any U.S. location or contact Customer Service.

Costco’s 100% Satisfaction Guarantee

On Merchandise: We guarantee your satisfaction on every product we sell with a full refund. Product-specific limitations apply. See the membership counter for details.

On Membership: We will refund your membership fee in full at any time if you are dissatisfied.