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.
Promotions subject to change. See store for details.
Last updated: May 12, 2026
Current promotions at Mattress Warehouse include up to 65% off during the Memorial Day Sale, savings up to $1,500 on select mattresses, free delivery and setup services, 0% interest financing for 60 months on purchases over $4,999, and a free adjustable base with select Sealy Posturepedic mattress purchases.
Last updated 1/5/2026
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Last updated: Jan 5, 2026
Address
268 W Dekalb Pike, King of Prussia, PA 19406
Phone
+1 610-205-1664Website
Visit websiteHours
Mon-Fri: 10AM-9PM, Saturday: 10AM-8PM, Sun: 11AM-6PM
