You can find Costco’s Membership Terms and Conditions here. *A household card is available to any cardholder’s spouse, domestic partner, or any immediate family member who is over the age of 16 and living at the same address. Valid at all Costco locations worldwide You can find more details on each type of membership and even sign up right here. Please keep in mind that the Costco double guarantee applies to all membership levels. That means we guarantee both your membership and our products with a refund†, if they don’t meet your satisfaction. Costco Executive Members receive a 2% Reward on qualified purchases at Costco. The Reward is issued by Costco approximately 2.5 months prior to the member’s renewal date, in the Renewal Statement. The Costco affiliated service was expert, efficient, and $2,000 less for the total job than the other 2 quotes I got. In 2023 I used the garage door service which was fantastic and A/C lennox installation, which saved me about $750 net. Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics. Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics. Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics. It is especially worth it if you get Executive Membership along with the Citi Costco Visa card. 4% back on gas, 3% back on restaurants and travel, 2% off Costco purchases, in addition to executive membership 2%. If your membership is expired or inactive, you can renew online within 90 days after the date of expiration, or any time in person or by phone. Finally, if you need to shop at a Costco warehouse immediately, please know that the easiest way for you to do so is by simply renewing your membership at the register during checkout. Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.