Shop The Best Cal King Box Spring

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$849.00
$899.00
Dreamcloud Mattress Sale | Cal King 14_ Hybrid Mattress In A Box | Gel Memory Foam And Innerspring Coils | Luxury Hybrid Mattress
DreamCloud
$849.00
$899.00
Dreamcloud Mattress Sale | Cal King 14_ Hybrid Mattress In A Box | Gel Memory Foam And Innerspring Coils | Luxury Hybrid Mattress
DreamCloud
$500.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$500.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$500.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$500.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$119.99
$129.99
Vehowy 4 Inch Box Spring For California King Bed,Cali King Size Box Spring Only,Heavy Duty Mattress Foundation,Metal Bed Base,Non-Slip,Easy Assembly
Amazon.com
223
Free shipping
$119.99
$129.99
Vehowy 4 Inch Box Spring For California King Bed,Cali King Size Box Spring Only,Heavy Duty Mattress Foundation,Metal Bed Base,Non-Slip,Easy Assembly
Amazon.com
$1,249.99
Sleepy's Rest Firm 2.0 Innerspring Mattress | Cal King
Mattress Firm
$1,249.99
Sleepy's Rest Firm 2.0 Innerspring Mattress | Cal King
Mattress Firm
$132.89
MAF 5 Inch Cal King Size King Box Spring, Low Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Boxspring Cover, No
Amazon.com
149
Free shipping
$132.89
MAF 5 Inch Cal King Size King Box Spring, Low Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Boxspring Cover, No
Amazon.com
$106.99
SHOANED Cal King Metal Box Springs - 5 Inch Low Profile Heavy Duty Black Basics Bed Base Non Slip Box Spring Mattress Foundation, Easy Assembly, No
Amazon.com
69
Free shipping
$106.99
SHOANED Cal King Metal Box Springs - 5 Inch Low Profile Heavy Duty Black Basics Bed Base Non Slip Box Spring Mattress Foundation, Easy Assembly, No
Amazon.com
$119.99
Maenizi California King Box Spring 9 Inch, Heavy Duty Metal Box Spring Bed Base With Fabric Cover, Mattress Foundation, Easy Assembly, Noise Free,
Amazon.com
38
Free shipping
$119.99
Maenizi California King Box Spring 9 Inch, Heavy Duty Metal Box Spring Bed Base With Fabric Cover, Mattress Foundation, Easy Assembly, Noise Free,
Amazon.com
$146.96
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
76K+
Free shipping
13% off
$146.96
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
$158.97
ROIL 10 Inch California King Box Spring, Heavy Duty Metal Box Spring Mattress Foundation With Fabric Cover, 3500Lbs Max Weight Capacity, Easy Assembly
Amazon.com
34
Free shipping
$158.97
ROIL 10 Inch California King Box Spring, Heavy Duty Metal Box Spring Mattress Foundation With Fabric Cover, 3500Lbs Max Weight Capacity, Easy Assembly
Amazon.com
$145.24
MAF Cal King Size King Box Spring, 10 Inch High Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Easy Clean Fabric
Amazon.com
34
Free shipping
$145.24
MAF Cal King Size King Box Spring, 10 Inch High Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Easy Clean Fabric
Amazon.com
$129.19
Lutown-Teen 10 Inch California King Box Spring High Profile, Heavy Duty Metal Cali King Box Spring Bed Base With Fabric Cover, Mattress Foundation,
Amazon.com
13
Free shipping
$129.19
Lutown-Teen 10 Inch California King Box Spring High Profile, Heavy Duty Metal Cali King Box Spring Bed Base With Fabric Cover, Mattress Foundation,
Amazon.com
$147.99
9 in. Quick Assembly California King Box Spring
Home Depot
36
Free shipping
$147.99
9 in. Quick Assembly California King Box Spring
Home Depot
$305.71
Low Profile California King Box Spring Black Foundation With Removable Cover
Home Depot
100
Free shipping
$305.71
Low Profile California King Box Spring Black Foundation With Removable Cover
Home Depot
$119.99
SHLAND Cal King Box Spring 9 Inch, High Profile Metal California King Size Box Springs With Fabric Cover, Easy Assembly
Amazon.com
464
Free shipping
$119.99
SHLAND Cal King Box Spring 9 Inch, High Profile Metal California King Size Box Springs With Fabric Cover, Easy Assembly
Amazon.com
$116.59
ALDRICH 7 Inch California King Box Spring Bed Base, 3000 Lbs Heavy Duty Metal Frame Mattress Foundation With Cover, Easy Assembly
Amazon.com
558
Free shipping
$116.59
ALDRICH 7 Inch California King Box Spring Bed Base, 3000 Lbs Heavy Duty Metal Frame Mattress Foundation With Cover, Easy Assembly
Amazon.com
$163.71
5 in. H California King Box Spring With Easy Clean Fabric Cover, Heavy Duty Metal Mattress Foundation, Easy Assembly
Home Depot
3
$163.71
5 in. H California King Box Spring With Easy Clean Fabric Cover, Heavy Duty Metal Mattress Foundation, Easy Assembly
Home Depot
$139.99
EMODA 5 Inch California King Box Spring Bed Base, 3000 LBS Heavy Duty Metal Mattress Foundation With Fabric Cover, Easy Assembly
Amazon.com
24
Free shipping
$139.99
EMODA 5 Inch California King Box Spring Bed Base, 3000 LBS Heavy Duty Metal Mattress Foundation With Fabric Cover, Easy Assembly
Amazon.com
$1,299.00
Premier Hybrid Mattress | Compare Nectar 2026 California King Size Memory Foam + Steel Springs Bed In A Box
Nectar Sleep
2K+
$1,299.00
Premier Hybrid Mattress | Compare Nectar 2026 California King Size Memory Foam + Steel Springs Bed In A Box
Nectar Sleep
$141.03
ZINUS 5 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
22K+
Free shipping
$141.03
ZINUS 5 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
$529.00
Avocado Green Mattress Foundation, Low Profile, California King | Pottery Barn
Pottery Barn
Free shipping
$529.00
Avocado Green Mattress Foundation, Low Profile, California King | Pottery Barn
Pottery Barn
$550.00
Beautyrest(R) Black Foundation, Standard Box Spring, Split California King, West Elm
West Elm
$550.00
Beautyrest(R) Black Foundation, Standard Box Spring, Split California King, West Elm
West Elm
$717.49
Kingsdown Standard Profile 8 Inch Wood Foundation/Box Spring - California King - Split Regular Profile
Bed Bath & Beyond
$717.49
Kingsdown Standard Profile 8 Inch Wood Foundation/Box Spring - California King - Split Regular Profile
Bed Bath & Beyond
$372.00
NELYE California-King Platform Bed Base - 14 Inch Solid Wood Mattress Foundation With Support Slats And Legs, California King Size Rubberwood Simple
Amazon.com
36
Free shipping
$372.00
NELYE California-King Platform Bed Base - 14 Inch Solid Wood Mattress Foundation With Support Slats And Legs, California King Size Rubberwood Simple
Amazon.com
$550.00
Tempur-Flat Foundation, Ultra Low Profile, Split California King | Pottery Barn
Pottery Barn
$550.00
Tempur-Flat Foundation, Ultra Low Profile, Split California King | Pottery Barn
Pottery Barn
$140.84
$150.00
VIPSHOW 2 Inch California King Metal Box Spring With Round Corners - 3000 Lbs Capacity, Low Profile Bed Slat Replacement Bunkie Board With Steel Slats
Amazon.com
13
Free shipping
$140.84
$150.00
VIPSHOW 2 Inch California King Metal Box Spring With Round Corners - 3000 Lbs Capacity, Low Profile Bed Slat Replacement Bunkie Board With Steel Slats
Amazon.com
$262.14
$374.49
Beautyrest Triton Foundation - California King - Low Profile
Bed Bath & Beyond
20
30% off
$262.14
$374.49
Beautyrest Triton Foundation - California King - Low Profile
Bed Bath & Beyond
$1,999.99
Sleepy's By Sealy Spring Stella Medium Mattress | Cal King
Mattress Firm
$1,999.99
Sleepy's By Sealy Spring Stella Medium Mattress | Cal King
Mattress Firm
$335.00
All-In-One 14 in. Cal. King Metal Foundation/Box Spring With Easy Assembly
Home Depot
1K+
Free shipping
$335.00
All-In-One 14 in. Cal. King Metal Foundation/Box Spring With Easy Assembly
Home Depot
$134.00
Nazarene 9 Inch Metal Box Spring, Easy Assembly Size: California King
AllModern
635
Free shipping
$134.00
Nazarene 9 Inch Metal Box Spring, Easy Assembly Size: California King
AllModern
$714.99
Kingsdown Low Profile 5 Inch Wood Foundation/Box Spring - California King - Split Low Profile
Bed Bath & Beyond
1
$714.99
Kingsdown Low Profile 5 Inch Wood Foundation/Box Spring - California King - Split Low Profile
Bed Bath & Beyond
$1,499.00
Nectar Luxe Memory Foam Mattress California King Size | Compare Nectar 2026 Luxury Memory Foam Bed In A Box Sale To Purple, Casper, And Sleep Number
Nectar Sleep
$1,499.00
Nectar Luxe Memory Foam Mattress California King Size | Compare Nectar 2026 Luxury Memory Foam Bed In A Box Sale To Purple, Casper, And Sleep Number
Nectar Sleep
$116.08
4 in. High California King Box Spring With Sturdy Steel Structure, Easy Assembly
Home Depot
10
Free shipping
$116.08
4 in. High California King Box Spring With Sturdy Steel Structure, Easy Assembly
Home Depot
$1,099.00
Nectar Premier California King Size Memory Foam Mattress | Compare The Nectar 2026 Affordable Bed In A Box Sale
Nectar Sleep
$1,099.00
Nectar Premier California King Size Memory Foam Mattress | Compare The Nectar 2026 Affordable Bed In A Box Sale
Nectar Sleep
$550.00
Beautyrest(R) Black Foundation, Low Profile Box Spring, Split California King, West Elm
West Elm
$550.00
Beautyrest(R) Black Foundation, Low Profile Box Spring, Split California King, West Elm
West Elm
$1,379.99
Sleepy's By Sealy Spring Luna Euro Top Mattress | Cal King
Mattress Firm
$1,379.99
Sleepy's By Sealy Spring Luna Euro Top Mattress | Cal King
Mattress Firm
Box Spring Cover King/Cal King Size - Jersey Knit & Stretchy Wrap Around 4 Sides Bed Skirt for Hotel & Home, Brown
0:56
Box Spring Cover King/Cal King Size - Jersey Knit & Stretchy Wrap Around 4 Sides Bed Skirt for Hotel & Home, Brown
Dec 30, 2019
amazon
RLDVAY King-Box-Spring, 9 inch Metal King Size Box Spring Only, Heavy Duty Box Spring King with Fabric Cover, Easy Assembly, Non Slip, Noise Free
1:30
RLDVAY King-Box-Spring, 9 inch Metal King Size Box Spring Only, Heavy Duty Box Spring King with Fabric Cover, Easy Assembly, Non Slip, Noise Free
Jan 25, 2023
amazon
QEROMY King Box Spring - 5 Inch Low Profile Box Spring for King Bed, Sturdy Metal Frame Mattress Foundation, Easy Assembly, Quiet & Noise-Free
0:15
QEROMY King Box Spring - 5 Inch Low Profile Box Spring for King Bed, Sturdy Metal Frame Mattress Foundation, Easy Assembly, Quiet & Noise-Free
30 viewsApr 22, 2024
amazon
King Box Spring - King Size, 5 Inch Heavy Duty, Mattress Foundation, Quick Assembly, Noise Free
0:45
King Box Spring - King Size, 5 Inch Heavy Duty, Mattress Foundation, Quick Assembly, Noise Free
Apr 15, 2024
amazon
7 Best Low Profile Box Springs Reviewed in Detail (Winter 2026)
7 Best Low Profile Box Springs Reviewed in Detail (Winter 2026)
4 months ago
talkaboutsleep.com
Should You Buy a King or California King Bed?
Should You Buy a King or California King Bed?
Jan 29, 2024
apartmenttherapy.com
MAF 5 Inch King Box Spring, Low Profile Box Spring King Siz 3500 lbs Black Heavy Duty Metal Mattress Foundation with BoxSpring Cover, No Squeaky, Easy Assembly
0:24
MAF 5 Inch King Box Spring, Low Profile Box Spring King Siz 3500 lbs Black Heavy Duty Metal Mattress Foundation with BoxSpring Cover, No Squeaky, Easy Assembly
Dec 29, 2024
amazon
King vs. California King Mattress Size
May 11, 2009
dengarden.com
California King vs Queen: Differences [Which Bed Size is Better for You]
Oct 16, 2019
sleepinglucid.com
0:30
VIPSHOW 2 Inch Wood Slat King Box Spring with Round Corners - 3000 lbs Capacity, Low Profile Bed Slat Replacement Bunkie Board with Metal Frame, Noise-Free, Easy Assemble, Black
1 month ago
amazon
0:53
California King Sheet Sets - Breathable Luxury Sheets with Full Elastic & Secure Corner Straps Built In - 1800 Supreme Collection Cal King Deep Pocket Bedding Set, Sheet Set, California King, Dolce
Mar 7, 2023
amazon
0:38
California King Bed Frames, Floating Bed with Storage Headboard & LED Lights, Cal King Bed Frame with Headboard, Platform Bed No Box Spring Needed, Noise-Free, Easy Assembly, PU Black
Jan 10, 2025
amazon
0:18
CozyLux California King Comforter Set Black - 3 Pieces Cal King Box Stitched Quilted Bedding Sets, Soft Breathable Bed Sets for All Seasons with 1 Down Alternative Comforter and 2 Pillow Shams
Aug 29, 2024
amazon
0:13
Superay King Box Spring, 10 inch Box Spring for King Bed, Heavy Duty Metal Bed Frame with Fabric Cover, 3000lbs Max Weight Capacity Bed Base Mattress Foundation, Easy Assembly, Noise Free, Black
Mar 1, 2024
amazon
We Tested Hundreds of Mattresses to Find the Best Beds for Sleepers Over 250 Pounds
Jul 26, 2021
goodhousekeeping.com
6:43
The California King
2M viewsFeb 2, 2016
YouTubeBrave Wilderness
4:25
Frequently Asked Questions about Boxsprings
92.8K viewsAug 21, 2015
YouTubeSweet Dreams Furniture & Mattress
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How to Build a Box Spring
84.5K viewsSep 21, 2020
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HOW TO BUILD A CUSTOM LOW PRO BOX SPRING FOR CHEAP!
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California King vs Queen Mattress & Bed Frame: Differences [What's the Better Size?]
3.3K viewsDec 19, 2019
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Shop The Best Cal King Box Spring

Sponsored
About our ads
$849.00
$899.00
Dreamcloud Mattress Sale | Cal King 14_ Hybrid Mattress In A Box | Gel Memory Foam And Innerspring Coils | Luxury Hybrid Mattress
DreamCloud
$849.00
$899.00
Dreamcloud Mattress Sale | Cal King 14_ Hybrid Mattress In A Box | Gel Memory Foam And Innerspring Coils | Luxury Hybrid Mattress
DreamCloud
$500.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$500.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$500.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$500.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$119.99
$129.99
Vehowy 4 Inch Box Spring For California King Bed,Cali King Size Box Spring Only,Heavy Duty Mattress Foundation,Metal Bed Base,Non-Slip,Easy Assembly
Amazon.com
223
Free shipping
$119.99
$129.99
Vehowy 4 Inch Box Spring For California King Bed,Cali King Size Box Spring Only,Heavy Duty Mattress Foundation,Metal Bed Base,Non-Slip,Easy Assembly
Amazon.com
$1,249.99
Sleepy's Rest Firm 2.0 Innerspring Mattress | Cal King
Mattress Firm
$1,249.99
Sleepy's Rest Firm 2.0 Innerspring Mattress | Cal King
Mattress Firm
$132.89
MAF 5 Inch Cal King Size King Box Spring, Low Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Boxspring Cover, No
Amazon.com
149
Free shipping
$132.89
MAF 5 Inch Cal King Size King Box Spring, Low Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Boxspring Cover, No
Amazon.com
$106.99
SHOANED Cal King Metal Box Springs - 5 Inch Low Profile Heavy Duty Black Basics Bed Base Non Slip Box Spring Mattress Foundation, Easy Assembly, No
Amazon.com
69
Free shipping
$106.99
SHOANED Cal King Metal Box Springs - 5 Inch Low Profile Heavy Duty Black Basics Bed Base Non Slip Box Spring Mattress Foundation, Easy Assembly, No
Amazon.com
$119.99
Maenizi California King Box Spring 9 Inch, Heavy Duty Metal Box Spring Bed Base With Fabric Cover, Mattress Foundation, Easy Assembly, Noise Free,
Amazon.com
38
Free shipping
$119.99
Maenizi California King Box Spring 9 Inch, Heavy Duty Metal Box Spring Bed Base With Fabric Cover, Mattress Foundation, Easy Assembly, Noise Free,
Amazon.com
$146.96
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
76K+
Free shipping
13% off
$146.96
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
$158.97
ROIL 10 Inch California King Box Spring, Heavy Duty Metal Box Spring Mattress Foundation With Fabric Cover, 3500Lbs Max Weight Capacity, Easy Assembly
Amazon.com
34
Free shipping
$158.97
ROIL 10 Inch California King Box Spring, Heavy Duty Metal Box Spring Mattress Foundation With Fabric Cover, 3500Lbs Max Weight Capacity, Easy Assembly
Amazon.com
$145.24
MAF Cal King Size King Box Spring, 10 Inch High Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Easy Clean Fabric
Amazon.com
34
Free shipping
$145.24
MAF Cal King Size King Box Spring, 10 Inch High Profile Box Spring Cal King 3500 Lbs Black Heavy Duty Metal Mattress Foundation With Easy Clean Fabric
Amazon.com
$129.19
Lutown-Teen 10 Inch California King Box Spring High Profile, Heavy Duty Metal Cali King Box Spring Bed Base With Fabric Cover, Mattress Foundation,
Amazon.com
13
Free shipping
$129.19
Lutown-Teen 10 Inch California King Box Spring High Profile, Heavy Duty Metal Cali King Box Spring Bed Base With Fabric Cover, Mattress Foundation,
Amazon.com
$147.99
9 in. Quick Assembly California King Box Spring
Home Depot
36
Free shipping
$147.99
9 in. Quick Assembly California King Box Spring
Home Depot
$305.71
Low Profile California King Box Spring Black Foundation With Removable Cover
Home Depot
100
Free shipping
$305.71
Low Profile California King Box Spring Black Foundation With Removable Cover
Home Depot
$119.99
SHLAND Cal King Box Spring 9 Inch, High Profile Metal California King Size Box Springs With Fabric Cover, Easy Assembly
Amazon.com
464
Free shipping
$119.99
SHLAND Cal King Box Spring 9 Inch, High Profile Metal California King Size Box Springs With Fabric Cover, Easy Assembly
Amazon.com
$116.59
ALDRICH 7 Inch California King Box Spring Bed Base, 3000 Lbs Heavy Duty Metal Frame Mattress Foundation With Cover, Easy Assembly
Amazon.com
558
Free shipping
$116.59
ALDRICH 7 Inch California King Box Spring Bed Base, 3000 Lbs Heavy Duty Metal Frame Mattress Foundation With Cover, Easy Assembly
Amazon.com
$163.71
5 in. H California King Box Spring With Easy Clean Fabric Cover, Heavy Duty Metal Mattress Foundation, Easy Assembly
Home Depot
3
$163.71
5 in. H California King Box Spring With Easy Clean Fabric Cover, Heavy Duty Metal Mattress Foundation, Easy Assembly
Home Depot
$139.99
EMODA 5 Inch California King Box Spring Bed Base, 3000 LBS Heavy Duty Metal Mattress Foundation With Fabric Cover, Easy Assembly
Amazon.com
24
Free shipping
$139.99
EMODA 5 Inch California King Box Spring Bed Base, 3000 LBS Heavy Duty Metal Mattress Foundation With Fabric Cover, Easy Assembly
Amazon.com