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Foundation

Give your mattress the support it needs with foundations and box springs from Modern Furniture Outlet & Mattress in Bellmawr, NJ. A proper foundation is essential for extending the life of your mattress, ensuring even weight distribution, and maintaining the support your mattress was designed to provide. Our foundations come in standard sizes to match your bed frame and mattress — Twin, Twin XL, Full, Queen, King, and California King. If you're replacing an old box spring, a modern foundation offers a firmer, more stable base without the bounce of traditional coil box springs. Low-profile foundations are available for beds where you want a lower overall mattress height. Not sure if you need a foundation? Check your mattress warranty — many manufacturers require a proper foundation to keep your warranty valid. Our team can help you choose the right base for your mattress type and bed frame. Visit our showroom in Bellmawr or shop online. Delivery available. Financing options available.

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  • Sale Sale
    $181.32
    $181.32 - $283.26
    $181.32
    $139.48
    $139.48 - $217.89
    $139.48

    Better than a Boxspring Foundation

    Ashley Furniture

    Behold the newest foundation of comfort. This mattress riser is an all-in-one support system that takes the place of an ordinary bed frame and box...

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    $181.32
    $181.32 - $283.26
    $181.32
    $139.48
    $139.48 - $217.89
    $139.48
    Sale Sale
  • Product image
    Foundation Foundation image
    Sale Sale
    $194.39
    $194.39 - $314.08
    $194.39
    $149.53
    $149.53 - $241.60
    $149.53

    Foundation Foundation

    Ashley Furniture

    Designed to cater to your busy lifestyle and built to last, this innovative foundation is ready to assemble in the comfort of your home. Constructe...

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    $194.39
    $194.39 - $314.08
    $194.39
    $149.53
    $149.53 - $241.60
    $149.53
    Sale Sale
  • Product image
    Low Profile Foundation image
    Sale Sale
    $231.10
    $231.10 - $413.62
    $231.10
    $177.77
    $177.77 - $318.17
    $177.77

    Low Profile Foundation

    Ashley Furniture

    Designed to cater to your busy lifestyle and built to last, this innovative foundation is ready to assemble in the comfort of your home. The unique...

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    $231.10
    $231.10 - $413.62
    $231.10
    $177.77
    $177.77 - $318.17
    $177.77
    Sale Sale
  • Sale Sale
    $614.90
    $614.90 - $614.90
    $614.90
    $473.00
    $473.00 - $473.00
    $473.00

    Grey Foundation, E.King, 2CTN

    FOA East

    With edge support and an attractive gray fabric, this foundation will help give you the comfort you deserve. Specifications Product Details Colle...

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    $614.90
    $614.90 - $614.90
    $614.90
    $473.00
    $473.00 - $473.00
    $473.00
    Sale Sale
  • Sale Sale
    $569.14
    $569.14 - $569.14
    $569.14
    $437.80
    $437.80 - $437.80
    $437.80

    Lilium White/Brown Foundation, Cal.King

    FOA East

    A perfect match for the Lilium Euro Pillow Top Mattress, this foundation features premium quilting and comes in standard sizes of California King, ...

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    $569.14
    $569.14 - $569.14
    $569.14
    $437.80
    $437.80 - $437.80
    $437.80
    Sale Sale
  • Sale Sale
    $614.90
    $614.90 - $614.90
    $614.90
    $473.00
    $473.00 - $473.00
    $473.00

    Grey Foundation, Cal.King, 2CTN

    FOA East

    With edge support and an attractive gray fabric, this foundation will help give you the comfort you deserve. Specifications Product Details Colle...

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    $614.90
    $614.90 - $614.90
    $614.90
    $473.00
    $473.00 - $473.00
    $473.00
    Sale Sale
  • Sale Sale
    $254.54
    $254.54 - $254.54
    $254.54
    $195.80
    $195.80 - $195.80
    $195.80

    Bird Of Paradise 4" Twin-Size Foundation

    FOA East

    Durable foundation with 4" thickness, suitable for those wanting a shorter sleeping vertical position. Exterior design matches bird of paradise pil...

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    $254.54
    $254.54 - $254.54
    $254.54
    $195.80
    $195.80 - $195.80
    $195.80
    Sale Sale
  • Sale Sale
    $626.34
    $626.34 - $626.34
    $626.34
    $481.80
    $481.80 - $481.80
    $481.80

    Aleksa Grey Foundation, Cal.King

    FOA East

    Durable foundation with exterior design matching the "Aleksa" DM335 mattress. Size matches with other mattresses, too. Specifications Product Deta...

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    $626.34
    $626.34 - $626.34
    $626.34
    $481.80
    $481.80 - $481.80
    $481.80
    Sale Sale
  • Sale Sale
    $283.14
    $283.14 - $283.14
    $283.14
    $217.80
    $217.80 - $217.80
    $217.80

    Bird Of Paradise 4" Full-Size Foundation

    FOA East

    Durable foundation with 4" thickness, suitable for those wanting a shorter sleeping vertical position. Exterior design matches bird of paradise pil...

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    $283.14
    $283.14 - $283.14
    $283.14
    $217.80
    $217.80 - $217.80
    $217.80
    Sale Sale
  • Sale Sale
    $340.34
    $340.34 - $340.34
    $340.34
    $261.80
    $261.80 - $261.80
    $261.80

    Bird Of Paradise 4" Queen-Size Foundation

    FOA East

    Durable foundation with 4" thickness, suitable for those wanting a shorter sleeping vertical position. Exterior design matches bird of paradise pil...

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    $340.34
    $340.34 - $340.34
    $340.34
    $261.80
    $261.80 - $261.80
    $261.80
    Sale Sale
  • Sale Sale
    $254.54
    $254.54 - $254.54
    $254.54
    $195.80
    $195.80 - $195.80
    $195.80

    Framos Link Spring

    FOA East

    A steel rail, top spring made of High Carbon, and 39" wire link fabric all come together to make this spring a comfortable mattress support. Specif...

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    $254.54
    $254.54 - $254.54
    $254.54
    $195.80
    $195.80 - $195.80
    $195.80
    Sale Sale
  • Sale Sale
    $283.14
    $283.14 - $283.14
    $283.14
    $217.80
    $217.80 - $217.80
    $217.80

    Framos Silver Base Foundation - Cal.King

    FOA East

    With round corners and cross-braces for extra support this base foundation was designed for fast and easy assembly. Specifications Product Details...

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    $283.14
    $283.14 - $283.14
    $283.14
    $217.80
    $217.80 - $217.80
    $217.80
    Sale Sale
  • Sale Sale
    $225.94
    $225.94 - $225.94
    $225.94
    $173.80
    $173.80 - $173.80
    $173.80

    Framos Silver Base Foundation - Full

    FOA East

    With round corners and cross-braces for extra support this base foundation was designed for fast and easy assembly. Specifications Product Details...

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    $225.94
    $225.94 - $225.94
    $225.94
    $173.80
    $173.80 - $173.80
    $173.80
    Sale Sale
  • Sale Sale
    $194.22
    $194.22 - $194.22
    $194.22
    $149.40
    $149.40 - $149.40
    $149.40

    Pippa Link Spring

    Coaster Z2 Premium

    Sleek and simple, this daybed link spring is created for supporting a mattress. The open grid pattern provides ample structure for sitting and slee...

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    $194.22
    $194.22 - $194.22
    $194.22
    $149.40
    $149.40 - $149.40
    $149.40
    Sale Sale
  • Sale Sale
    $357.50
    $357.50 - $357.50
    $357.50
    $275.00
    $275.00 - $275.00
    $275.00

    Aleksa Foundation

    FOA East

    Durable foundation with exterior design matching the "Aleksa" DM335 mattress. Size matches with other mattresses, too.

    $357.50
    $357.50 - $357.50
    $357.50
    $275.00
    $275.00 - $275.00
    $275.00
    Sale Sale
  • Sale Sale
    $286.00
    $286.00 - $286.00
    $286.00
    $220.00
    $220.00 - $220.00
    $220.00

    Bird Of Paradise 4" Foundation

    FOA East

    Durable foundation with 4" thickness, suitable for those wanting a shorter sleeping vertical position. Exterior design matches bird of paradise pil...

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    $286.00
    $286.00 - $286.00
    $286.00
    $220.00
    $220.00 - $220.00
    $220.00
    Sale Sale
  • Sale Sale
    $197.34
    $197.34 - $197.34
    $197.34
    $151.80
    $151.80 - $151.80
    $151.80

    Framos Base Foundation

    FOA East

    With round corners and cross-braces for extra support this base foundation was designed for fast and easy assembly.

    $197.34
    $197.34 - $197.34
    $197.34
    $151.80
    $151.80 - $151.80
    $151.80
    Sale Sale
  • Sale Sale
    $286.00
    $286.00 - $286.00
    $286.00
    $220.00
    $220.00 - $220.00
    $220.00

    Lilium Foundation

    FOA East

    A perfect match for the Lilium Euro Pillow Top Mattress, this foundation features premium quilting and comes in standard sizes of California King, ...

    View full details
    $286.00
    $286.00 - $286.00
    $286.00
    $220.00
    $220.00 - $220.00
    $220.00
    Sale Sale
  • Sale Sale
    $614.90
    $614.90 - $614.90
    $614.90
    $473.00
    $473.00 - $473.00
    $473.00

    Minnetonka Foundation

    FOA East

    With edge support and an attractive gray fabric, this foundation will help give you the comfort you deserve.

    $614.90
    $614.90 - $614.90
    $614.90
    $473.00
    $473.00 - $473.00
    $473.00
    Sale Sale

Foundation — Frequently Asked Questions

What foundation brands does Modern Furniture Outlet & Mattress (Bellmawr, NJ) carry?

Our Foundation selection includes Ashley Furniture, FOA East, Coaster Z2 Premium, chosen for a balance of quality, comfort, and value. Browse the collection to compare styles and finishes side by side.

How do I choose the right foundation?

Measure where the foundation will go, then check your doorways, hallways, and stairwells to be sure it will fit inside. Think about how it will be used and by whom — homes with kids or pets do best with durable, easy-clean materials — and match the color, finish, and scale to what you already own. Want a second opinion? Just contact us.

Do you deliver foundation items?

Yes. We deliver throughout our local service area and, in most cases, will bring your foundation inside and place it where you want it. See our shipping & delivery policy for timelines, or contact us for a quote and an estimated delivery window.

Can I finance a foundation?

Yes. We offer financing options on qualifying purchases, often with promotional low- or no-interest plans. Ask us about prequalifying so you can shop with a budget in mind.

Does my foundation come with a warranty?

Most pieces are covered by the manufacturer's warranty, which typically protects against defects in materials and workmanship for a period that varies by brand and product. Keep your order confirmation as proof of purchase, and contact us if you ever need to file a claim — we'll help you work with the manufacturer.

What if my foundation arrives damaged?

Inspect it at delivery, and if anything isn't right, note it on the paperwork, snap a few photos, and contact us immediately. We'll coordinate a repair, replacement part, or return under our return policy.

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