Comfort King Mattress Factory is a mattress store in Sioux Falls, South Dakota, devoted to lower price, higher quality, and fantastic service. The business has been around for over thirty years, offering high quality, budget friendly mattresses with a Lifetime Comfort Guarantee. Reviews highlight amazing customer service, with friendly and helpful salesmen who provide informative, pressure-free guidance. The delivery teams are fast, efficient, and careful, ensuring a flawless process. Customers report spending less than expected for a high-quality, extremely comfortable mattress. The company also stands behind its products, offering repairs that restore a mattress to perfect condition. With loyalty benefits like free delivery, it is a great local option. Customers highly recommend trying Comfort King before shopping any big-name mattresses, calling it a great overall experience and definitely worth checking out.
My wife and I worked with Dylan who sold us the best bed we have ever owned. I slept deep and restful last night, and my back wasn't hurting in the morning! The delivery team was excellent as well. I was so glad to see them haul away our 4 year old Dream Cloud mattress that went bad after 3 years.
July 2026
Taven and James delivered my new mattress and bed frame today. They went above and beyond in taking apart the existing bed, setting up the new bed and moving our old bed to a new location. They were very courteous and did a great job!!!
July 2026
Our delivery guys were top notch- right on time and so friendly. Thank you!
