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Mattress Firm

Earth City, MO

4(23 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

$
$$
$$$
$$$$

Estimated price positioning for this store

What Your Neighbors Say

Real Google reviews from nearby shoppers

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Average rating 4 · 23 reviews

Last updated Feb 17, 2026

Biniam Keleta· 1★ · 7 months ago

Very horrible place to deliver. they wasted my time for a few mattress .which is driver assistance.

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Wendy “Wendy B.” Bud· 1★ · 8 years ago

Beware! My king size mattress was "secured" good enough to make it less than 2 miles. Within that time my brand new mattress set was all over the road & I was left with a strand of broken twine. Complete & total safety hazard.

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Kaitlin Love· 5★ · 2 years ago

Absolutely amazing and super professional. After the mess up the Dianne at the Fenton location caused these guys were quick to fix what they could and went above and beyond for us. Thank you!

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Linda Luechtefeld· 1★ · 2 years ago

Cheap mattress that fell apart within 1 year. After contacting them about the warranty they were rude and didn't made good on the warranty. I do not recommend this company!!!!

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Charles Johnson· 5★ · 4 years ago

I was here to help out a friend who knows the management here very well..we decorated the place for upcoming Halloween 2021...Of course they provide qaulity mattresses of all sizes for a reasonable price..Great friendly staff who do everything within reason to satisfy each custumer..so if you need a mattress..this is your spot!!

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