July 4th Sale: Save up to $700 + FREE adjustable base³ on select mattresses. Shop Now!

Mattress Firm Green Mount Road

1171 North Green Mount Road Suite 102 through 104 O'Fallon, IL 62269
(618) 628-9538
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Store Hours
Monday 10:00am - 8:00pm
Tuesday 10:00am - 8:00pm
Wednesday 10:00am - 8:00pm
Thursday 10:00am - 8:00pm
Friday 10:00am - 8:00pm
Saturday 10:00am - 8:00pm
Sunday 10:00am - 6:00pm
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Memorial Day Sale: Save up to $700 + FREE adjustable base³ on select mattresses. Memorial Day Sale: Save up to $700 + FREE adjustable base³ on select mattresses.

Popular Mattresses & Accessories to Try In Store.

new
Sherwood Monarch Box Spring Foundation | Reg | Queen
Sherwood Monarch Box Spring Foundation | Reg | Queen
$375.0
2
limited deal
Sleepy's Deluxe Rakuna Jigsaw Platform Bed | Queen
Sleepy's Deluxe Rakuna Jigsaw Platform Bed | Queen
$454.98 $649.99
38
new
Sleepy's Deluxe Bed Frame | One Piece
Sleepy's Deluxe Bed Frame | One Piece
$199.99
202
new
Sealy SX Box Spring Foundation | Reg | Queen
Sealy SX Box Spring Foundation | Reg | Queen
$275.0
399
new
Stearns & Foster SX4 Box Spring Foundation | Reg | Queen
Stearns & Foster SX4 Box Spring Foundation | Reg | Queen
$315.0
698
new
Sealy Ease Adjustable Base | Queen
Sealy Ease Adjustable Base | Queen
$1049.0
4793
limited deal
Sealy Posturepedic Elite Brenham II 15
Sealy Posturepedic Elite Brenham II 15" Medium Mattress | Queen
$1899.0 $1999.0
442
express delivery
Tempur-Pedic Queen Charcoal Box Spring Foundation | Reg
Tempur-Pedic Queen Charcoal Box Spring Foundation | Reg
$380.0
1299
limited deal
Tempur-Pedic TEMPUR-Ergo ProSmart Adjustable Base | One Piece King
Tempur-Pedic TEMPUR-Ergo ProSmart Adjustable Base | One Piece King
$3399.0
1092
new
Beautyrest Black 24 Box Spring Foundation | Reg | Queen
Beautyrest Black 24 Box Spring Foundation | Reg | Queen
$300.0
229

Nearby Stores

  • Mattress Firm Outlet - Lincoln Trail
    3.6 mi
    (857)
    10830 Lincoln Trail
    Fairview Heights, IL 62208
    (618) 394-0663
    Directions Store Details
  • Mattress Firm Edwardsville
    14.7 mi
    (750)
    2460 Troy Road
    Edwardsville, IL 62025
    (618) 659-1730
    Directions Store Details
  • Mattress Firm Hampton Village
    19.6 mi
    (660)
    5811 Chippewa Street Suite B
    St. Louis, MO 63109
    (314) 832-2695
    Directions Store Details
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Mattress Firm Location in O'Fallon, IL

Mattress Firm on Green Mount Road brings a personalized sleep solution to the thriving community of O'Fallon, Illinois. Conveniently located near Green Mount Crossing and just a short drive from Scott Air Force Base, this store caters to a diverse mix of military families, young professionals, and longtime locals. O'Fallon is known for its award-winning schools, welcoming neighborhoods, and vibrant local parks, making it a top choice for families in the Metro East area. At Mattress Firm Green Mount Road, our experienced team is here to guide you toward the right mattress for your lifestyle—whether you're new to the area or simply upgrading your comfort. With top brands and service that reflects the values of the community, we're proud to be O'Fallon's trusted sleep partner.

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