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We are happy to call Washington state our home. Visit our corporate offices at: 999 Lake Drive. Issaquah, WA 98027. Or, write us at our mailing address: Costco Wholesale. P.O. Box 34331. Seattle, WA 98124. Finally, feel free to call us at 425-313-8100.
Share your Feedback. Chat Us. Select the Chat Us option on this page. *Hours vary by department. Give Us a Call. Hours vary by department. Corporate Mailing Address. PO Box 34331. Seattle, WA 98124.
Desktop or Laptop Computer: Head to Costco.com. You can click the “Feedback” tab on the right side of the screen or scroll to the bottom of the page and click “Feedback”. Apple Device: Tap the “More” button, then select “App Feedback”. Android Device: Open the main menu and select “Feedback”.
Costco Home Improvement Installed Products. For Graber Window Treatments: 1-855-742-9130 For Lennox HVAC: 1-877-483-6226
Sat - Sun: 5am - 7pm PT Chat Hours: Mon - Fri: 5am - 8pm PT
These convenient and time-saving options can be located via the icons below. Does Costco Customer Service offer email support? Costco does not offer email support. In order to provide real-time assistance to our members, we currently offer phone and chat support. Please use our Feedback options to provide us with your comments and suggestions.
Welcome to the Costco Customer Service page. Explore our many helpful self-service options and learn more about popular topics.
If you’d like to change an address you have saved, simply Sign In, visit your Address Book, and select Edit on the address you want to update. You can even add a new address, set a different default shipping or billing address, or remove any existing addresses (you’ll need to keep one default address though). Print.
On Membership: We will cancel and refund your membership fee at any time if you are dissatisfied. On Merchandise: We guarantee your satisfaction on every product we sell, and will refund your purchase price*, with the following exceptions: Electronics: Costco will accept returns within 90 days (from the date the member received the merchandise ...
To request a return or replacement on Costco.com: Log into your account through Sign In / Register. Select Orders & Returns. Choose the Return or Replace Items button next to the appropriate order, and follow the prompts to complete your return or replacement request. Receive your return label immediately or schedule a pickup (where eligible).