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Mattress Firm Lake Forest

Mattress Firm

Lake Forest, CA

4.9(210 reviews)
9 active offers6 store perks
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About Mattress Firm

Mattress Firm offers a wide selection of mattresses from top brands, including Tempur-Pedic, Purple, Sealy, and Sleepy's. They provide various promotions, such as the Memorial Day Sale with up to 60% off, and offer financing options like 0% interest with equal monthly payments on qualifying purchases. Customers can enjoy free and fast delivery, a low price guarantee, and a 120-night sleep trial. All mattresses are assembled in the U.S.

Current Promotions
Last updated Oct 23, 2026

Current homepage sales include up to $700 off, a free adjustable base with select mattresses, select price-point and bundle offers, clearance mattresses up to 70% off, $300 instant gifts, and an extra 15% off qualifying purchases.

  • Black Friday Sale: Save up to $700Expires: 2026-12-08Savings vary by product and model; valid only on models indicated; product selection may vary by store.
  • Free adjustable base with select mattressesSelect mattresses.
  • Queen beds under $500Queen beds.
  • Sleepy's By Sealy Spring Luna Euro Top mattress and adjustable base bundle
  • Any size for $249.99 on select mattressesSelect mattresses.
  • Up to 70% off select clearance mattressesSelect clearance mattresses; while supplies last.
  • $300 instant gift toward a total sleep solution
  • $300 instant gift on select Purple mattressesSelect Purple mattresses.
  • Get an extra 15% offQualifying purchase; available online or in-store.
Purchase Incentives
  • 0% interest with 72 equal monthly paymentsQualifying purchases with Mattress Firm credit card; subject to credit approval. For 60- and 72-month in-store purchases, taxes and delivery fees must be paid upfront.
  • Free and fast delivery
  • Free & Fast Delivery
  • Financing & Leasing
  • Low Price Guarantee
  • 120 Night Sleep Trial
Mattress Selection

Brands

Tempur-Pedic
Purple
Sealy
Sleepy's

Ideal for

teens
growing children
adults

Technology

memory foam
hybrid
innerspring

Assortment

Box Springs & Frames
Adjustable Bed Bases
Bedding
Furniture & More

Price range

$
$$
$$$
$$$$

Price range not yet reported

What Your Neighbors Say

Real Google reviews from nearby shoppers

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Average rating 4.9 · 210 reviews

Last updated Oct 31, 2025

Cameron Davis· 5★ · 3 weeks ago

Diane was the greatest at helping me find the perfect mattress to fit my needs. She was super friendly and I could tell that she knew what she was talking about. She was very educated on all of the different mattresses. Best of all, I got an unbeatable price!

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Crystal Leembruggen· 5★ · 5 months ago

× Highly recommended × Mattress Firm has the best deals for memorial day sale. My husband and I were promptly greeted as we walked in. We already knew we were going to make a purchase that day. Before making a decision, we were going to go see what Sit & Sleep had to offer. But! We were intercepted by a sleep expert Taylor N. Taylor has a great spirit. He was approachable, informative and patient. And after just minutes talking with him, we forgot all about sit and sleep. We ended up purchasing a nice Sealy mattress + adjustable bed frame from Mattress Firm. My husband and I had a smooth and pleasant experience. Side note* our delivery was prompt and the delivery guys were respectful of our home and also polite.

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George U.· 5★ · 2 months ago

August 17, 2025 Our mattress and adjustable base was delivered today by the team of Jose and his co-worker Jose. Yes, J&J! They were precise, professional and kind. Very skilled, courteous and expedient. The value of the products, skilled of the sales personnel and the delivery team was highly appreciated 👏. Recommended June 1, 2025 We have been shopping for a mattress and saw advertisements regarding this store and decided to stop in. We were greeted by Diane who was friendly and knowledgeable. Once Diane finished with a customer we asked several question regarding bed frame fitment, delivery and bases. Diane appeared to have much experience in furniture and mattresses. Very impressive. My wife decided on the I-Comfort firm with a very nice multifunctional base. The value and selection was great and we are very pleased with the outcome. Highly recommended

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Melinda Ortiz· 5★ · 3 months ago

I went to the Mattress Firm in Lake Forest. The sales Representative, Diane, was very knowledgeable and helped me navigate the purchase of a new mattress. She made my experience comfortable and reduced my stress level from the moment I walked in to the Mattress Firm. It was a good experience! If you are in the market for a new mattress, I highly recommend the Mattress Firm Lake Forest and ask for Diane.

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ryder gomez· 5★ · a month ago

Roger is the man to speak to about what kind of mattress you’re looking for, he is very knowledgeable about what they have to offer. Roger is also patient, he helped my wife and I pick our new mattress and adjustable base for a couple hours even after the store was suppose to close.

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