Costco Mattress Reviews (2025)

Costco sells a small selection of mattresses in its warehouses. However, their mattress displays don’t encourage people to try out the mattresses before they buy. Most Costco mattresses are only available online, so you’ll have to wait for the mattress to arrive at your home before you can try it out.

Of the four mattress brands we tested and reviewed that are currently available at Costco, none earned an overall rating higher than 5.2/10. If you’re looking for a quality mattress, we recommend Douglas Original instead, which earned an overall rating of 9.9/10.

Douglas is our number-one pick for the best mattress in Canada. It offers superior motion isolation and edge support, a cooling top layer, a machine-washable mattress cover, and a medium-firm feel that’s ideal for any sleep position. Douglas has all the features you’re looking for at an unbeatable price of $799 for a queen size.

The price of a Costco queen mattress varies widely, from just a few hundred dollars to well over $3,000. It depends on the size, brand, and accessories you buy. You can expect to pay more for a king-size mattress, or if you buy a mattress with an adjustable base. In comparison, Douglas Original sells for just $799 for a queen size.

(In the market for an adjustable bed? See our top picks for the best adjustable bed in Canada.)

If you order a mattress online, Costco will deliver it to your door. You can also pay an extra $79.99 plus tax for them to remove your old mattress, as long as it’s not larger than your new mattress. However, if you buy a mattress in the warehouse, you’re responsible for transporting it home and setting it up yourself.

If you ordered your mattress online, contact Costco to start your return. They will arrange with you to pick up the mattress and issue a full refund. Customer reviews indicate that this process could take 2–3 weeks.

If you bought the mattress in the warehouse, wrap it in plastic and transport it back to the warehouse in person, where you’ll receive a refund. Costco also asks that the mattress be clean and in good condition.

Either way you shop, the Costco mattress return policy is known for being generous. There’s no time limit for returning items. But it’s always up to the retailer whether they’ll honour a return. You also might not want to take a chance on returning an item several years after you bought it.

It depends. If you ordered your mattress online and want to return it, you can arrange for Costco to come and pick it up. But if you bought your mattress in the warehouse, you’ll have to return it to the warehouse yourself.

It’s worth noting that some mattresses can be heavy and hard to move. For example, a king-size Stearns & Foster Lakeridge mattress weighs 165 lb. This could be difficult to transport to the warehouse for a return.

READ MORE: How to move a mattress

While fiberglass fire socks are common in mattresses produced in the United States, there’s no way to know for sure whether Costco mattresses contain fiberglass. However, there are some clues you can look out for:

• Country of origin. If a mattress is made in the United States or China, there’s a good chance the mattress contains fiberglass.
• Materials on the law label. Look for the word “fiberglass,” as well as “glass fibers,” “glass wool,” “glass-reinforced plastic,” “glass-fiber reinforced plastic,” or “fiberglass-reinforced plastic.”
• Pricing. The cheaper the mattress, the more likely it contains a fiberglass fire sock as an inexpensive way to meet national fire regulation policies.

It’s possible that Novaform mattresses contain fiberglass, but we don’t know for certain. Novaform says its foam is “proudly made in the USA, while most covers are imported.” The website doesn’t state the cover’s country of origin. We noted that the ComfortGrande Plus model contains a fire sock—a fairly common safety feature, but one that could contain fibreglass.

In the past, Casper has stated that their mattresses contain fiberglass. This statement is no longer on Casper’s website. To be safe, double-check the law label if you purchase a Casper mattress from Costco.

It’s worth noting that Douglas Original—our top pick for Best Mattress Canada—is fully manufactured in Canada and doesn’t contain fibreglass.

READ MORE: Is fiberglass in a mattress dangerous?

It’s surprisingly difficult to find a comprehensive Costco mattress warranty on the company’s website. The company does say it guarantees satisfaction with every product they sell. There are some exceptions, like electronics, products with a limited life expectancy, and custom installation services. But customers have been known to return items to Costco when they stop working, or even when they don’t like their items anymore.

Currently, Costco doesn’t have a stated time limit for returns. However, the company does state that it “may in the future restrict its return policy regarding these and other products.”

The best mattress alternative to Costco is Douglas Original. (This mattress is also our number-one pick for the best mattress in Canada.) Douglas features a cooling gel foam layer, a machine-washable mattress cover, superior edge support and motion isolation, and pressure-point relief for all sleeping positions.

Douglas Original received top scores for its use of high-quality, eco-conscious materials, overall comfort, and excellent value at just $799 for a queen size. It comes with a 365-night sleep trial, 20-year warranty, and free bedding bundle with purchase.

The company is rated “Excellent” on Trustpilot and “A+” with the Better Business Bureau. Douglas has also earned 16,300+ five-star reviews from happy customers.