Costco offers a risk-free 100% satisfaction guarantee on both membership and merchandise. Most items can be returned at any time, with some special considerations for electronics, diamonds, and other specific categories.
Return Policy Summary
Return Window
No time limit for most items. Electronics: 90 days, Diamonds (1.00ct or larger): 48 hours for inspection
Return Method
In-store at any Costco warehouse or online through costco.com for online purchases
Return Shipping
Free returns for online purchases. Return label provided for items that cannot be returned to warehouse
| Contact Number | 1-800-955-2292 |
| Restocking Fee | No restocking fee |
| Return Conditions | Items should be returned in reasonable condition. Original paperwork required for diamonds 1.00ct or larger (IGI and/or GIA certificates). Special order kiosks and custom installed items cannot be returned unless they fail to meet specifications. |
| Gift Returns | Items purchased as gifts can be returned at any Costco location |
| Exceptions | Non-returnable items include: cigarettes and alcohol (where prohibited by law), products with limited useful life expectancy (like tires and batteries - covered by product-specific warranty), precious metals including gold bars, airline tickets, live performance event tickets, shop cards, and gift cards. Apple products and other electronics have a 90-day return window. |
How to Return
- For warehouse purchases: Take the item to the returns counter at any Costco warehouse location
- For online purchases: Either return to any Costco warehouse OR initiate a return through costco.com
- For diamonds over 1.00ct: Return with all original paperwork to receive a jewelry credit memo, allowing 3 to 5 business days for authentication
- For electronics: Return within 90 days from the date you received the merchandise
- For custom installed programs or special order items: Contact Costco for warranty repair/replacement if items fail to meet specifications
- For technical support on electronics: Contact Costco Technical & Warranty Services for additional instructions
Official Returns Portal
https://customerservice.costco.com/app/answers/detail/a_id/1...
