King Size Upholstered Bed Bases

Find the right foundation for your bedroom with king size upholstered bed bases from Mattress Firm. Explore a range of styles, colors and designs to complement your space and create a polished setting for your king size mattress. Compare your options and choose a bed base that suits your bedroom aesthetic and sleep setup.

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Tempur-Pedic TEMPUR-Ergo 3.0 Adjustable Base

3704

Starting at

$2299⁰⁰

$2399⁰⁰

$100 OFF

Tempur-Pedic TEMPUR-Ergo Smart Adjustable Base

986

Starting at

$2699⁰⁰

$2899⁰⁰

$200 OFF

Calm app 3-month free trial with mattress purchase & registration

Sleepy's Elite Adjustable Base

1129

Starting at

$1699⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Sleepy's Basic Adjustable Base

Starting at

$299⁹⁹

FREE with select mattress purchase³.

Sealy Ease Adjustable Base

5046

Starting at

$1599⁰⁰

Sleepy's Deluxe Adjustable Base

Starting at

$1399⁹⁹

Save $299 with qualifying mattress purchase. Code: ELEVATE

Tempur-Pedic Charcoal Box Spring Foundation

1346

Starting at

$255⁰⁰

Hollywood Enforce Platform Frame

304

Starting at

$399⁹⁹

Tulo Upholstered Platform Bed Frame

118

Starting at

$238⁰⁰

$279⁹⁹

$42 OFF

Sleepy's Deluxe Darius Smart Bed

Starting at

$615⁹⁸

Sleepy's Signature Harley Bed Set

147

Starting at

$560⁹⁹

Homelegance Lilia Storage Bed

Starting at

$509⁹⁹

$599⁹⁹

$90 OFF

Tulo Rhea Platform Bed

Starting at

$354²⁸

$416⁸⁰

$63 OFF

Tulo Metal and Wood Slat Platform Bed

124

Starting at

$322⁹⁹

$379⁹⁹

$57 OFF

Sleepy's Deluxe Mixed Metal and Slatted Wood Platform Bed

Starting at

$707²³

$799⁹⁹

$93 OFF

Sleepy's Signature Tall Channel Tufted Upholstered Platform Bed

Starting at

$489⁹⁹

$699⁹⁹

$210 OFF

Baxton Studio Candace Luxe & Glamour Velvet Upholstered Bed

Starting at

$462⁹⁹

Sleepy's Basics Easy Assembly Box Spring

188

Starting at

$199⁹⁹

Sleepy's Deluxe Axle Square Upholstered Platform Bed

150

Starting at

$549⁹⁹

Sleepy's Deluxe Ironline Mixed Material Platform Bed

150

Starting at

$595⁰⁰

$699⁹⁹

$105 OFF

Sleepy's Signature Mid Century Pine Wood Platform Bed

Starting at

$535⁵⁰

$629⁹⁹

$94 OFF

Sleepy's Deluxe Rakuna Jigsaw Platform Bed

Starting at

$637⁴⁹

$749⁹⁹

$113 OFF

Sleepy's Deluxe Bethina Faux Leather Platform Bed

Starting at

$552⁵⁰

$649⁹⁹

$97 OFF

Sleepy's Deluxe Mid Century Wood Spindle Platform Bed

Starting at

$620⁴⁹

$729⁹⁹

$110 OFF

Sleepy's Deluxe Maddon Platform Bed with Upholstered Headboard

Starting at

$549⁹⁹

Sleepy's Basics Upholstered Panel Bed

Starting at

$280⁴⁹

$329⁹⁹

$50 OFF

King size upholstered bed bases combine dependable mattress support with a soft, finished look that can make the bedroom feel more inviting. Covered in fabric, velvet or other upholstery, these king bed bases add texture and style while creating a polished foundation for a king mattress. Many upholstered platform bed bases feature a sturdy frame and supportive slats designed to help promote even weight distribution, though mattress compatibility and support requirements can vary by model. Choosing the right king size bed base starts with checking the dimensions, construction and recommended mattress type so your new foundation works comfortably with an innerspring, memory foam, hybrid or latex mattress. A king upholstered bed base can also help complete a coordinated bedroom with a built-in headboard, streamlined silhouette or useful under-bed storage. A low-profile upholstered bed frame may suit a modern space, while a taller design can provide added visual presence and a comfortable surface for sitting up in bed. Look for durable upholstery, reinforced construction and easy assembly to find a foundation made for everyday use. Keep in mind that a standard king bed base is different from a California King base, so confirm the mattress and bedroom dimensions before purchasing. With the right king size upholstered bed base, you can create a comfortable, supportive sleep setup that complements your bedding, nightstands and overall bedroom design.

What is an upholstered bed base? + -

An upholstered bed base is a bed foundation covered in fabric, creating a soft, finished look for the bedroom. Designs may include padded panels, a streamlined platform, or coordinating upholstery details.

What materials are commonly used for upholstered bed bases? + -

Upholstered bed bases are often made with a wood or metal frame and covered in materials such as linen-look fabric, velvet, polyester or woven upholstery. The construction and fabric can vary by design.

How do I clean an upholstered bed base? + -

Follow the care instructions provided with your bed base. In general, gently vacuum upholstered surfaces with a suitable attachment and address spills promptly with a clean, lightly damp cloth. Avoid saturating the fabric or using unapproved cleaning products.

Do upholstered bed bases come in different styles? + -

Yes. Common styles include modern, minimalist, traditional and glam designs. Details such as channel tufting, button tufting, decorative stitching, raised panels and neutral or bold upholstery can change the overall look.

Can an upholstered bed base coordinate with other bedroom furniture? + -

An upholstered bed base can complement a range of bedroom furniture. Match or contrast the upholstery with your bedding, nightstands, dressers, curtains and decorative accents to create a cohesive look.