Costco Mattress Return Policy: Best Guide for Returns 2026

Choosing a mattress is not easy because everyone likes things when it comes to comfort. You might find a mattress that looks online but when you sleep on the mattress it might be too hard or too soft. That is why understanding the Costco Mattress Return Policy is an idea. It helps make buying a mattress from Costco stressful for you and the Costco mattress.

Costco offers a broad satisfaction guarantee on merchandise, with several listed exceptions. Mattresses are not included in Costco’s published 90 day electronics and major appliance exception.

This means a mattress generally falls under Costco’s merchandise satisfaction guarantee rather than a standard 90 day mattress deadline.

However, customers should still use the policy reasonably and follow the correct return process, especially for large mattresses purchased online.

For a wider look at Costco returns and special product exceptions, read our Costco Return Policy guide.

Does Costco Have a Mattress Return Time Limit?

Mattresses do not appear on Costco’s list of merchandise categories that have a specific 90 day return period.

The 90 day rule applies to certain electronics and major appliances listed in Costco’s policy.

Mattresses generally fall under the broader satisfaction guarantee.

This is an important difference because customers sometimes assume every expensive Costco product has a 90 day deadline.

Once you find out a mattress is not right for your needs you do not have to keep the mattress for a time.

If you are dissatisfied, start the return process within a reasonable time.

Can You Return a Mattress If It Is Uncomfortable?

A mattress may look great and still feel uncomfortable once you sleep on it.

Common problems include:

• Too firm
• Too soft
• Poor support
• Wrong height
• Wrong size
• Uncomfortable materials
• Heat retention
• Unexpected construction

Costco’s satisfaction guarantee gives members an option for dealing with genuine dissatisfaction over purchased merchandise.

If you are not happy with the mattress you should save all your purchase details. Then you can contact Costco or you can start the return process.

Can You Return a Used Mattress to Costco?

People need to sleep on mattresses to see if mattresses are comfortable, which is not like products.

A mattress that has been tested is therefore not the same situation as an unused product still sealed inside its original packaging.

However, customers should take reasonable care of the mattress.

Use a mattress protector to help prevent:

• Stains
• Spills
• Dirt
• Moisture
• Other damage

The satisfaction guarantee should address genuine dissatisfaction rather than provide a way to replace mattresses after unreasonable use or abuse.

Do You Need the Original Mattress Packaging?

Mattresses can arrive in very different forms.

Some are compressed inside boxes, while others arrive through a large item delivery service.

Once a mattress in a box expands, getting it back into its original package may be impossible.

For that reason, do not assume you must somehow compress the mattress back to its factory size yourself.

Keep your order information and any useful packaging while deciding whether the mattress works for you.

If the mattress requires a large item return, follow Costco’s provided pickup instructions.

How Do You Return a Mattress Bought at a Warehouse?

Costco states that warehouse purchases can generally be brought to a Costco warehouse for return assistance.

It helps to have your receipt or original product packaging, although Costco may have membership purchase records.

Moving a mattress is a task because mattresses are usually big and really hard to move.

If you don’t know what to do, think about calling your warehouse before putting a king or queen mattress into your vehicle.

Make sure the mattress is handled safely during transportation.

How Do You Return an Online Costco Mattress?

Costco.com provides an online return process for eligible orders.

Sign into your account and find Orders & Returns.

Select the correct purchase and follow the available return or replacement instructions.

A large mattress may qualify for freight return handling.

For freight returns, Costco states that the carrier contacts the customer to arrange pickup. This can be much easier than trying to transport a large mattress yourself.

Check that your phone number and order details are updated the carrier will contact you when needed.

How Does Large Item Pickup Work?

If you start a freight return with Costco the carrier will probably get in touch with you within five to seven business days to figure out a time to pick up the freight return.

When Costco says the merchandise is on its way the store can start giving you your money

Keep the mattress accessible and ready for the scheduled pickup.

If your return covers pieces, such as part of a mattress set, confirm which items need to be collected.

What If Your Mattress Arrives Damaged?

Inspect a delivered mattress as soon as possible.

Look for:

• Tears
• Stains
• Incorrect size
• Damaged seams
• Unusual marks
• Packaging damage

Take photographs if you find a visible problem.

Keep the order confirmation and delivery information.

Starting the process quickly is especially useful when the problem is clearly related to delivery damage rather than comfort.

What If Costco Sends the Wrong Mattress?

Check the product label before completely setting up your mattress.

Confirm:

• Brand
• Model
• Size
• Firmness
• Product type

A king mattress can be difficult to repack once fully opened.

If the delivered item is not what you ordered, take pictures of the label and contact Costco quickly.

Have your shipping and order details available when explaining the issue.

Should You Use a Mattress Protector?

I can keep my new mattress clean, with any work if I use a mattress protector.

This thing helps protect the mattress from spills and sweat and dirt and other marks when you are trying to decide if the mattress is really comfortable for you.

This is particularly useful because mattress comfort can take time to judge.

A mattress kept clean is easier to manage if you later decide that a return is necessary.

Select a protector that fits your mattress correctly without changing how it feels too much.

Does Costco Charge a Mattress Recycling Fee?

Some states require mattress recycling fees.

Costco currently lists mattress recycling fees for certain shipping destinations, including California, Connecticut, Oregon, and Rhode Island.

These fees are connected to state recycling programs and should not be confused with an ordinary return charge.

The amount varies by state.

Check the fee shown for your location when purchasing a mattress online.

What About a Mattress Purchased as Part of a Set?

You can buy a mattress with a foundation, a base, a frame or other things that come with it.

Do not assume every part automatically follows exactly the same conditions.

Check your order details carefully.

If you want to return only one part of a set, contact Costco or review the available online options before separating or transporting anything.

Keep all purchase documents until you are satisfied with the complete sleep setup.

Mattress Return Checklist

How Does Costco Compare With DSW?

Since the DSW Return Policy mainly applies to shoes and accessories, its merchandise conditions are very different from mattress returns.

When buying footwear instead, check the DSW Official Store for current return rules.

Use the retailer’s own policy when returning a product purchased from that retailer.

How Is Target Different?

The Target Return Policy uses its own return periods and product exceptions.

A mattress purchased there should be handled under Target’s current rules rather than Costco’s satisfaction guarantee.

Checking the return rules before you buy something is a good idea. You can find a store that has rules that you like.

Does Walmart Follow Costco’s Mattress Rules?

No. The Walmart Return Policy has its own conditions, deadlines, and marketplace considerations.

Costco’s satisfaction guarantee applies to Costco purchases.

Even if stores sell mattress brands or sizes, they never think they give the same return treatment.

What About Best Buy?

The main thing the Best Buy Return Policy does is help with returns of electronics, computers, televisions, appliances and many technology products.

Its return structure differs significantly from Costco’s broad merchandise guarantee.

You are reviewing retailers. When you do this, check the policy for your product. Do not rely on the general policy of the retailers.

How Does Home Depot Compare?

The Home Depot Return Policy includes a range of home products, such as mattresses and furniture sold through its channels.

Its rules should be checked separately.

Since large home products can be difficult to move, return methods and pickup availability may matter almost as much as the return period.

Frequently Asked Questions

Can I return a mattress to Costco?

Yes. Mattresses generally fall under Costco’s merchandise satisfaction guarantee and are not listed among products with the special 90 day electronics limit.

Does Costco have a 90 day mattress return limit?

No specific 90 day mattress limit appears in Costco’s published exceptions. That deadline applies to listed electronics and major appliances, not ordinary mattresses.

Can I return a used mattress to Costco?

Costco’s satisfaction guarantee generally covers mattresses. Customers should use the policy reasonably and keep the mattress in suitable condition while evaluating comfort.

Do I need the mattress box for a return?

Original packaging can be useful, but expanded mattresses may be impossible to recompress. Follow Costco’s instructions for your specific warehouse or online return.

Can Costco pick up an online mattress return?

Large online mattress returns may qualify for freight pickup. Costco’s carrier can contact you to arrange a pickup time after the return is initiated.

Can I return an uncomfortable mattress?

Costco’s merchandise satisfaction guarantee generally covers genuine dissatisfaction.If your mattress falls short of your comfort expectations, review the available return process.

Can I return a damaged Costco mattress?

If a mattress arrives damaged, take pictures of the damage and contact Costco promptly. Keep all order, delivery and product information available.

How long does a Costco mattress refund take?

Refund timing depends on the return method. For freight returns, Costco processes the refund after confirming the product has been picked up and is moving.

Final Thoughts

The Costco Mattress Return Policy is relatively customer friendly because mattresses are generally covered by Costco’s merchandise satisfaction guarantee.

Most importantly, mattresses are not listed among the products subject to Costco’s special 90 day electronics and major appliance return period.

That does not mean customers should keep an unwanted mattress indefinitely.

If the mattress is the size, too soft, too firm, damaged or unsatisfactory in any way address the issue once you know it does not suit you.

Keep your purchase information and protect the mattress from stains and unnecessary damage.

For online mattress orders, larger products may be collected through freight pickup instead of requiring you to transport them yourself.

If your mattress arrives damaged or incorrect take some photos of the mattress and report the problem with the mattress to us right away.

A mattress is a purchase. You should look at the size of the mattress, the firmness of the mattress, the delivery details of the mattress and the return process of the mattress before you place your order for the mattress. This can help prevent trouble with the mattress.