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For a warehouse purchase, the practical first step is to take the item to the returns counter at any Costco warehouse. A receipt and original packaging can help but may not be required. Use the category and timing checks below before you travel, especially for devices, appliances, alcohol, custom goods and other restricted items.
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Costco return policy at a glance
| Purchase situation | Rule to apply | What to verify |
|---|---|---|
| Membership fee | Costco says it will cancel and refund a dissatisfied member’s membership fee at any time. | Confirm that the request concerns the membership fee rather than a merchandise purchase. |
| Most merchandise | Covered by the stated satisfaction guarantee, subject to Costco’s exceptions and limitations. | Check whether the product falls into a listed special category or has a limited useful life. |
| Specified electronics and devices | Return period is 90 days from the date you received the merchandise. | Identify the device category and count from receipt, not simply from the order date. |
| Specified major appliances | Return period is 90 days after receipt. | Separate the return deadline from the appliance warranty, which is a different remedy. |
| Warehouse purchase | Bring the product to the returns counter at any Costco warehouse. | A receipt or original packaging may help, but Costco says either may not be necessary. |
| Alcohol | Returns can be restricted or prohibited by state law. | Ask the local warehouse how that state’s rules apply before attempting the return. |
These points come from Costco Customer Service guidance published between June 2025 and March 2026. They describe U.S. policy; a particular transaction can also be affected by local law, the item’s condition and category-specific instructions.
What the general satisfaction guarantee covers
Costco describes its policy as a “Risk-Free 100% Satisfaction Guarantee.” The merchandise language says Costco will refund the purchase price when a member is dissatisfied, but the sentence is expressly followed by exceptions and limitations. Read that qualification literally: the general rule is broad, not an unconditional right to return every item at any time.
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- To access your card information safely, type the complete website address shown on your Gift Card (MyGift.GiftCardMall.com) directly into your browser's address bar. Don't use search engines or shortened versions of the website address, as these may lead you to fake or fraudulent sites. Do not provide any Gift Card details (example: Card Number) to someone you do not know or trust. If you believe you've reached an illegitimate website, contact cardholder service at 1-888-524-1283. Be cautious of phishing sites, there are a variety of scams in which fraudsters try to trick others into paying with gift cards.
- To report your Lost or Stolen Physical Visa Card, call Customer Service 24/7 at 1 (888) 524-1283 to cancel your Gift Card as soon as you can. You will be asked to provide the Gift Card number and other identifying information.
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The membership portion is stated separately. If you are dissatisfied with your membership, Costco says it will cancel the membership and refund the membership fee at any time. That is different from returning an individual product, so tell the employee whether you are seeking a membership-fee refund or a merchandise refund.
How to return a purchase made in a Costco warehouse
- Identify the purchase and category. Note what the item is, when you received it, and whether it is an electronic device, major appliance, alcohol, custom product or another category with special handling.
- Gather what you have. Bring the item, accessories and documentation if available. Costco says a receipt or original product packaging helps, but may not be necessary to process a return.
- Go to a Costco warehouse returns counter. Costco’s warehouse guidance directs members to return products bought at a Costco location at the returns counter at any Costco warehouse, rather than limiting the transaction to the original location.
- Explain the reason and provide membership or purchase details. The employee can locate the transaction and determine whether a category rule, legal restriction or time limit applies.
- Follow any category-specific route. Contact lenses, eyeglasses, freight-delivered items and hearing aids are directed to separate Costco guidance or departments. Do not assume the ordinary counter process is the only route for those purchases.
If the item is within a 90-day category, use the date you received it to determine whether the window is open. For a warehouse purchase, that will normally be the date the product was handed over to you; retain delivery or pickup records for items that arrived later.
Electronics and devices with a 90-day return period
Costco’s policy defines “electronics” for this deadline instead of applying it to every product that contains electronics. The enumerated list includes:
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- Major appliances included in Costco’s defined appliance list
- Computers and touchscreen tablets
- Smart wearable devices
- Cameras, including aerial cameras (drones), and camcorders
- MP3 players
- Cellular phones
The 90-day period runs from the date you received the merchandise. An order date, ship date or activation date is not a substitute for the receipt date when calculating this rule. If delivery was delayed, use the later receipt date shown in your records.
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Cellular phones have an additional qualification: return details vary according to the carrier service contract. A phone may therefore involve contract terms, activation or cancellation charges and carrier-specific deadlines beyond Costco’s merchandise policy. Review the service agreement before assuming that a device return automatically ends every associated obligation.
For a device return, bring the handset or equipment, chargers, cables, remotes, manuals and other included parts when possible. Missing accessories can complicate the transaction even when the policy deadline has not passed. Back up personal data, sign out of accounts and erase the device before handing it over; that protects your information but does not change Costco’s eligibility decision.
Major appliances: return window versus warranty
Costco’s dedicated major-appliance guidance lists refrigerators larger than 10 cubic feet, water heaters, washers, dryers, dishwashers, freezers, ranges, cooktops and over-the-range microwaves. Those listed appliances may be returned within 90 days after receipt.
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The same guidance describes a separate warranty benefit: the manufacturer’s warranty for the listed appliances is extended to two years, subject to the stated terms. Costco Technical & Warranty Services provides warranty assistance. The second-year coverage mirrors the manufacturer’s warranty, and Costco may satisfy its second-year obligation through repair, replacement or a refund up to the purchase price.
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- This card is non-reloadable. No cash or ATM access. Funds do not expire. If available funds remain on your card after the valid thru date has passed, please call customer service for a replacement card. A one-time purchase fee applies at the time of checkout. No fees after purchase.
- To access your card information safely, type the complete website address shown on your Gift Card (MyGift.GiftCardMall.com) directly into your browser's address bar. Don't use search engines or shortened versions of the website address, as these may lead you to fake or fraudulent sites. Do not provide any Gift Card details (example: Card Number) to someone you do not know or trust. If you believe you've reached an illegitimate website, contact cardholder service at 1-888-524-1283. Be cautious of phishing sites, there are a variety of scams in which fraudsters try to trick others into paying with gift cards.
- To report your Lost or Stolen Physical Visa Card, call Customer Service 24/7 at 1 (888) 524-1283 to cancel your Gift Card as soon as you can. You will be asked to provide the Gift Card number and other identifying information.
- Use your Visa Gift Card in the U.S. everywhere Visa debit cards are accepted, including online.
A warranty is not an extension of the 90-day return period. After 90 days, a performance problem may still qualify for warranty service, but that is a repair, replacement or warranty-refund question rather than an ordinary change-of-mind return. Keep the model number, delivery paperwork and installation records so technical support can identify the appliance and the applicable warranty terms.
Warehouse and online purchases are not the same process
The warehouse instructions specifically address products bought at a Costco location and direct members to any warehouse returns counter. The customer-service pages summarized here do not set out a complete online-order procedure. If an item was ordered through Costco’s website or another delivery channel, check the current instructions attached to that order before taking it to a warehouse; do not assume that the warehouse workflow, deadline or shipping arrangement is identical.
Regardless of channel, preserve the order confirmation, delivery date and tracking information. Those records are particularly important for products whose clock starts when you received them.
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Alcohol, cigarettes and other legally restricted goods
Costco’s general policy says it does not accept returns of cigarettes or alcohol where prohibited by law. Its dedicated alcohol guidance emphasizes that state laws differ and tells members to check with the local warehouse to learn whether and how an alcohol return may be made.
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- Double check if the URL/website is genuine before entering card details online. Do not provide any gift card details (example: claim code) to someone you do not know or trust. There are a variety of scams in which fraudsters try to trick others into paying with gift cards.
- If you believe that your Card has been lost or stolen, notify Mastercard immediately by calling 1-833-791-7288. You will be asked to provide the Gift Card number and other identifying information.
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That means there is no single nationwide alcohol answer. Before transporting a bottle back, contact the warehouse where you intend to make the return and describe the product and circumstances. Local rules can govern whether a return is permitted, what documentation is needed and how the transaction must be handled.
Categories with special conditions
Costco’s general policy identifies several categories that do not follow the ordinary merchandise rule:
- Large diamonds, which can require inspection or other conditions
- Custom products manufactured to personal specifications
- Airline tickets and live-performance event items
- Precious metals
- Shop Cards, gift cards and tickets
- Tires and batteries, which may have limited useful life and product-specific limited warranties
The policy also directs members to separate category guidance or departments for contact lenses, eyeglasses, freight-delivered items and hearing aids. For these purchases, start with the department or instructions named for the category instead of relying solely on the broad satisfaction language.
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What to do when you are missing a receipt or packaging
A missing receipt does not automatically end the conversation. Costco says keeping the receipt or original product packaging helps but may not be necessary to process a warehouse return. Bring whatever identifying information remains: your membership card or number, approximate purchase date, payment method, serial number, delivery record and all available accessories.
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- Gift Cards are shipped active and ready for use.
- This card is non-reloadable. No cash or ATM access. Funds do not expire. If available funds remain on your card after the valid thru date has passed, please call customer service for a replacement card. A one-time purchase fee applies at the time of checkout. No fees after purchase.
- To access your card information safely, type the complete website address shown on your Gift Card (MyGift.GiftCardMall.com) directly into your browser's address bar. Don't use search engines or shortened versions of the website address, as these may lead you to fake or fraudulent sites. Do not provide any Gift Card details (example: Card Number) to someone you do not know or trust. If you believe you've reached an illegitimate website, contact cardholder service at 1-888-524-1283. Be cautious of phishing sites, there are a variety of scams in which fraudsters try to trick others into paying with gift cards.
- To report your Lost or Stolen Physical Visa Card, call Customer Service 24/7 at 1 (888) 524-1283 to cancel your Gift Card as soon as you can. You will be asked to provide the Gift Card number and other identifying information.
- Use your Visa Gift Card in the U.S. everywhere Visa debit cards are accepted, including online.
“May not be necessary” is not the same as “never required.” The warehouse still has to locate the transaction and apply any category rule. For high-value devices, appliances, diamonds or other controlled products, additional verification can be needed. Do not discard the packaging until you are certain the return or warranty matter is closed.
Common situations and the correct next step
You are returning an ordinary household item
Check that it is not one of the listed exceptions, then take it to any warehouse returns counter with your membership details and any receipt or packaging you have. The broad satisfaction guarantee is the starting point, not a promise that every product has identical treatment.
Your television or computer is 95 days old
The specified-device return period is measured as 90 days from receipt, so the ordinary 90-day return window has passed. Ask Costco whether another applicable policy or warranty exists; do not describe the request as an on-time electronics return.
Your refrigerator failed after eight months
The 90-day return period is over, but the listed major appliances have the separately described two-year manufacturer-warranty extension. Contact Costco Technical & Warranty Services and have the model and purchase information ready.
You bought wine and want to return it
Call the local warehouse first. State law controls whether an alcohol return is allowed and what procedure applies.
You lost the box and receipt
Go to a warehouse returns counter with your membership information, product details and any proof of purchase you can locate. Costco says those documents may not be necessary, but the employee must still verify the transaction and category.
Pitfalls that cause avoidable problems
- Counting from the order date: for listed electronics and appliances, count from receipt.
- Calling every gadget “electronics: the 90-day rule applies to Costco’s enumerated list, not an undefined universe of electronic products.
- Confusing warranty and return rights: a two-year appliance warranty does not create a two-year return period.
- Assuming alcohol rules are uniform: state law and local warehouse guidance can produce different outcomes.
- Leaving accessories or data behind: gather included parts and erase personal information before returning a device.
- Using the wrong department: follow separate instructions for contact lenses, eyeglasses, freight deliveries and hearing aids.
- Waiting until the deadline: if a 90-day window is approaching, start the return promptly and retain delivery evidence.
A practical pre-return checklist
- Record the item name, model and serial number.
- Find the receipt, order confirmation or delivery date.
- Determine whether the item is in a 90-day category.
- Check for alcohol, cigarette, custom, ticket, precious-metal, tire, battery or other special-category restrictions.
- Collect accessories, manuals and packaging when available.
- Back up and erase personal data from computers, phones, tablets, cameras and wearables.
- For an appliance problem after 90 days, prepare to use warranty service rather than a standard return.
- For alcohol or an online order, contact the applicable local warehouse or current order-support channel before traveling.
Costco’s policy is easiest to use when you classify the purchase first, establish the receipt date, and then follow the route for that category. The broad guarantee helps with ordinary merchandise, while the listed exceptions, legal restrictions and separate warranty terms determine what happens in less routine cases.
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