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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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Upgrade Your Sleep Sale: Save up to $600 + FREE adjustable base³ on select mattresses. Upgrade Your Sleep Sale: Save up to $600 + FREE adjustable base³ on select mattresses.

Popular Mattresses & Accessories to Try In Store.

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Sleepy's By Sealy Spring Stella Medium Mattress | Twin
Sleepy's By Sealy Spring Stella Medium Mattress | Twin
$529.99 $1329.99
10
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Sealy Frisco 2.0 Firm Mattress | Twin
Sealy Frisco 2.0 Firm Mattress | Twin
$999.99
9
Sleepy's Deluxe Rakuna Jigsaw Platform Bed | Queen
Sleepy's Deluxe Rakuna Jigsaw Platform Bed | Queen
$649.99
36
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Dreamcloud PressureSmart Technology Extra Firm Pillow Top Mattress | Queen
Dreamcloud PressureSmart Technology Extra Firm Pillow Top Mattress | Queen
$1399.0 $2099.0
7
new
Dreamcloud PressureSmart Technology Plush Mattress | Queen
Dreamcloud PressureSmart Technology Plush Mattress | Queen
$999.0 $1649.0
16
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Sealy SX Box Spring Foundation | Reg | Queen
Sealy SX Box Spring Foundation | Reg | Queen
$275.0
339
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Stearns & Foster SX4 Box Spring Foundation | Reg | Queen
Stearns & Foster SX4 Box Spring Foundation | Reg | Queen
$315.0
669
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Sealy Ease Adjustable Base | Queen
Sealy Ease Adjustable Base | Queen
$1049.0
4605
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Sleepy's Deluxe Bed Frame | One Piece
Sleepy's Deluxe Bed Frame | One Piece
$199.99
163
express delivery
Tempur-Pedic Queen Charcoal Box Spring Foundation | Reg
Tempur-Pedic Queen Charcoal Box Spring Foundation | Reg
$380.0
1258

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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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