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Mattress Warehouse of King of Prussia

Mattress Warehouse

King Of Prussia, PA

4.9(549 reviews)
10 active offers8 store perks
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About Mattress Warehouse

Mattress Warehouse is the largest independently owned mattress retailer in the U.S., operating over 500 locations nationwide. They offer a wide selection of mattresses and sleep accessories from top brands, providing customers with quality products at the best possible price. Their mission is to deliver a relaxed and educational buying process, ensuring the best overall sleep experience.

Current Promotions
Last updated Nov 2, 2026

Current homepage promotions include up to $1,500 off warehouse-wide, brand-specific discounts, a Casper king-size-for-queen-price offer, free adjustable bases with select mattresses, and 10% off for signing up for promotional texts.

  • Save up to $1,500 warehouse-wide
  • Save up to 70% on BeautyrestBeautyrest
  • Save up to 70% on SertaSerta
  • Save up to 60% on KingsdownKingsdown
  • Save up to 60% on SealySealy
  • Get a free adjustable base with select Sealy stylesSelect Sealy styles
  • Get a king-size Casper mattress for the queen priceCasper
  • Save up to 30% on HelixHelix
  • Get a free adjustable base with a $499 SomosBeds queen mattressSomosBeds Restorative Medium queen mattress
  • Save 10% when you sign up for promotional textsText NAP to 21048; marketing text-message consent and promotional alerts apply
Purchase Incentives
  • Free in-home delivery and setup
  • Get 0% interest financing for 60 monthsPurchases of $5,999 or more; equal monthly payments required for 60 months
  • Locally owned
  • Trusted for over 30 years
  • Price match guarantee
  • Free delivery
  • Financing options
  • Sleep trial with bedMATCH system
Mattress Selection

Brands

Beautyrest
SomosBeds
Tempur-Pedic
Serta
Sealy
Kingsdown
Casper
Purple
Stearns & Foster
BEDGEAR
Aireloom
Cheswick Manor
Nectar
Smart Life by King Koil

Ideal for

adults
growing children
teens

Technology

Memory foam
Hybrid
Innerspring
Gel

Assortment

Mattresses
Box Springs & Adjustable Beds
Beds & Furniture
Bedding
Pillows
Sheets
Protectors

Price range

$
$$
$$$
$$$$

Estimated price positioning for this store

What Your Neighbors Say

Real Google reviews from nearby shoppers

See all reviews

Average rating 4.9 · 549 reviews

Last updated Jul 21, 2026

RJ· 5★ · 2026-06-06T22:25:41.014903547Z

Honestly buying a bed here was the best decision I’ve made in a long time. I’m someone with chronic pain and constantly worried about sales people taking advantage but NOT HERE. Sam was so kind and understanding. She understood what I needed and never sugar coated anything. The best part about this she didn’t just talk she listened. Her compassion goes a long way in my book. Please go buy your bed here & ask for Sam! I can’t wait to sleep on my new Tempur-Pedic

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Amanda· 5★ · 2026-05-24T20:12:35.154196428Z

I couldn’t be happier with my new mattress! If you want honesty and genuine care ask for Samantha she made my shopping experience so simple and fun!! They give such a personable experience in this store I HIGHLY RECOMMEND buying from Samantha she gave me the best deal and didn’t make me shop around! So excited to sleep better

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Mandeep Kaur· 5★ · 2026-02-25T01:07:30.674926733Z

I had a great experience finding a mattress with Samantha. She was easy to talk to and provided great customer service. I definitely would recommend buying a mattress from Samantha! She spent long time understanding our needs and she is very generous person! Thank you!;

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Kathy Marciano· 1★ · 2026-05-31T13:37:09.615187062Z

Started out ok. No pressure & helped us when we had questions. Unfortunately the salesman ( not mentioning any names) wasn’t honest with us. We came in on May 26 to make a big purchase. We chose this store specifically since it was memorial week & the savings would have been great. We were closing on a house May 28 so we didn’t want to effect our credit score so we would be in that day to make the final purchase. Our purchase would have been a little more than $6k. He said the sale would be over Tues so we had to purchase that day in order to get the sale price. I checked the web & he lied about that. The sale was until June 1st. We ended up at Raymore & Flanagan & we’re very happy.

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Dontay Mobley· 5★ · 2026-02-14T19:03:06.168739782Z

I had an amazing experience with your sales team Samantha and William. They were extremely helpful,supportive and knowledgeable about my concerns I had regarding bed support and comfort. I will definitely recommend Samantha and William to family and friends

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