Shop the best cal king box spring

Sponsored
About our ads
$450.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$450.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$450.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$450.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$449.00
Platform Bed Frame California King Size | Mattress Foundation With Wood Slats By Nectar, No Box Spring Required
Nectar Sleep
$449.00
Platform Bed Frame California King Size | Mattress Foundation With Wood Slats By Nectar, No Box Spring Required
Nectar Sleep
$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
657
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
$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
$125.65
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
81K+
Free shipping
25% off
$125.65
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
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
80
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
$549.99
$1,379.99
Sleepy's By Sealy Spring Luna Euro Top Mattress | Cal King
Mattress Firm
60% off
$549.99
$1,379.99
Sleepy's By Sealy Spring Luna Euro Top Mattress | Cal King
Mattress Firm
$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
$270.00
Wayfair Sleep™ Folding Metal Box Spring Size: California King Profile: Low Profile (4")
Joss & Main
5K+
Free shipping
$270.00
Wayfair Sleep™ Folding Metal Box Spring Size: California King Profile: Low Profile (4")
Joss & Main
$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
$128.51
7 in. H California King Box Spring, Heavy-Duty Metal Structure With Fabric Cover, Easy Assembly, Mattress Foundation
Home Depot
4
Free shipping
$128.51
7 in. H California King Box Spring, Heavy-Duty Metal Structure With Fabric Cover, Easy Assembly, Mattress Foundation
Home Depot
$1,849.99
Sleepy's By Sealy Spring Firm Mattress | Cal King
Mattress Firm
$1,849.99
Sleepy's By Sealy Spring Firm Mattress | Cal King
Mattress Firm
$550.00
Westin Heavenly(R) 5.5" Low Profile Box Spring, California King | Pottery Barn
Pottery Barn
$550.00
Westin Heavenly(R) 5.5" Low Profile Box Spring, California King | Pottery Barn
Pottery Barn
$290.85
$794.70
California King Medium Gel Memory Foam Hybrid Mattress 14 in. Bed-In-A-Box Mattress
Home Depot
Free shipping
63% off
$290.85
$794.70
California King Medium Gel Memory Foam Hybrid Mattress 14 in. Bed-In-A-Box Mattress
Home Depot
$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
$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
$849.00
$899.00
California King Size Mattress By Nectar Sleep | Compare The Nectar 2026 Affordable Memory Foam Bed In A Box Sale
Nectar Sleep
3K+
$849.00
$899.00
California King Size Mattress By Nectar Sleep | Compare The Nectar 2026 Affordable Memory Foam Bed In A Box Sale
Nectar Sleep
$399.00
Ashley Sleep Essentials Low Profile California King Foundation, Black
Ashley
$399.00
Ashley Sleep Essentials Low Profile California King Foundation, Black
Ashley
$399.99
$1,249.99
Sleepy's Rest Firm 2.0 Innerspring Mattress | Cal King
Mattress Firm
68% off
$399.99
$1,249.99
Sleepy's Rest Firm 2.0 Innerspring Mattress | Cal King
Mattress Firm
$550.00
Tempur-Flat Foundation, Low Profile, Split California King | Pottery Barn
Pottery Barn
$550.00
Tempur-Flat Foundation, Low Profile, Split California King | Pottery Barn
Pottery Barn
$550.00
Tempur-Flat Foundation, Standard, Split California King | Pottery Barn
Pottery Barn
$550.00
Tempur-Flat Foundation, Standard, Split California King | Pottery Barn
Pottery Barn
$2,749.99
Sleepy's By Sealy Spring Plush Euro Top Mattress | Cal King
Mattress Firm
$2,749.99
Sleepy's By Sealy Spring Plush Euro Top Mattress | Cal King
Mattress Firm
$799.99
$1,999.99
Sleepy's By Sealy Spring Stella Medium Mattress | Cal King
Mattress Firm
60% off
$799.99
$1,999.99
Sleepy's By Sealy Spring Stella Medium Mattress | Cal King
Mattress Firm
$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
$693.22
Upgraded California King Size Mattress Medium Plush Gel Memory Foam Pocket Spring Hybrid 14 in. Bed-In-A-Box Mattress
Home Depot
Free shipping
$693.22
Upgraded California King Size Mattress Medium Plush Gel Memory Foam Pocket Spring Hybrid 14 in. Bed-In-A-Box Mattress
Home Depot
$480.00
Stearns & Foster Foundation, Standard, Split California King, West Elm
West Elm
$480.00
Stearns & Foster Foundation, Standard, Split California King, West Elm
West Elm
$83.55
$197.54
Box Spring Bed Light Grey Polyester California King,Furniture,Beds Accessories,Beds Bed Frames
culsiety
57% off
$83.55
$197.54
Box Spring Bed Light Grey Polyester California King,Furniture,Beds Accessories,Beds Bed Frames
culsiety
$94.87
$218.15
Box Spring Bed With Mattress Light Gray California King Fabric,Furniture Beds Accessories Beds Bed Frames
culsiety
56% off
$94.87
$218.15
Box Spring Bed With Mattress Light Gray California King Fabric,Furniture Beds Accessories Beds Bed Frames
culsiety
$94.87
$218.15
Box Spring Bed With Mattress Dark Gray California King Fabric 76.6Kg/168.52Ib
culsiety
56% off
$94.87
$218.15
Box Spring Bed With Mattress Dark Gray California King Fabric 76.6Kg/168.52Ib
culsiety
$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
$94.87
$218.15
California King Box Spring Bed With Mattress LED, White, Beds Bed Frames, 166.1Lbs
culsiety
56% off
$94.87
$218.15
California King Box Spring Bed With Mattress LED, White, Beds Bed Frames, 166.1Lbs
culsiety
$94.87
$218.15
Box Spring Bed With Mattress Light Gray California King Fabric 76.3Kg/167.86Ib
culsiety
56% off
$94.87
$218.15
Box Spring Bed With Mattress Light Gray California King Fabric 76.3Kg/167.86Ib
culsiety
$297.45
$524.17
California King Medium Memory Foam 14 in. Mattress, Cooling And Breathable
Home Depot
64
Free shipping
43% off
$297.45
$524.17
California King Medium Memory Foam 14 in. Mattress, Cooling And Breathable
Home Depot
$94.87
$218.15
Box Spring Bed With Mattressled Light Gray California King Fabric 75.25Kg/165.55Ib
culsiety
56% off
$94.87
$218.15
Box Spring Bed With Mattressled Light Gray California King Fabric 75.25Kg/165.55Ib
culsiety
$94.87
$218.15
Box Spring Bed With Mattress Dark Gray California King Fabric 76.85Kg/169.07Ib
culsiety
56% off
$94.87
$218.15
Box Spring Bed With Mattress Dark Gray California King Fabric 76.85Kg/169.07Ib
culsiety
HOW TO SET UP YOUR BOXSPRING FOR A NEW FOAM MATTRESS. KING to CAL KING TRANSITION
4:42
HOW TO SET UP YOUR BOXSPRING FOR A NEW FOAM MATTRESS. KI…
94.6K viewsAug 29, 2016
YouTubeETPC EPIC TIME PASS CHANNEL
Maenizi California King Box Spring 9 Inch, Heavy Duty Metal Box Spring Bed Base with Fabric Cover, Mattress Foundation, Easy Assembly, Noise Free, Black
1:58
Maenizi California King Box Spring 9 Inch, Heavy Duty Metal Box Sprin…
100 viewsDec 3, 2023
amazon
California King Box Spring,10 inch Box Spring for Cal King Bed, Heavy Duty Metal Bed Frame with Fabric Cover, 3000lbs Max Weight Capacity Bed Base Mattress Foundation, Easy Assembly, Noise Free
0:13
California King Box Spring,10 inch Box Spring for Cal King Bed, Heav…
Feb 21, 2024
amazon
Superay 2 Inch California King Box Spring Low Profile, Heavy Duty Metal Box Spring Bed Base, Bunkie Board Bed Slat Replacement, Mattress Foundation, Easy Assembly, Noise Free
0:11
Superay 2 Inch California King Box Spring Low Profile, Heavy Duty M…
100 viewsApr 24, 2025
amazon
ZINUS 5 Inch California King Metal Smart Box Spring with Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
0:34
ZINUS 5 Inch California King Metal Smart Box Spring with Quick Asse…
50 viewsMay 13, 2022
amazon
CleanRest PRO Split California King Box Spring Encasement – Zippered Bed Bug & Dust Mite Proof, Hypoallergenic MicronOne Allergen Barrier, Water Resistant, Zip-N-Click Sleep Defense System
2:11
CleanRest PRO Split California King Box Spring Encasement – Zippere…
Mar 14, 2024
amazon
Best California King Mattresses - My Top 6 Mattress Picks (Expert Tested!)
7:25
Best California King Mattresses - My Top 6 Mattress Picks (Expert Test…
897 views6 months ago
YouTubeMattress Clarity
10:49
Best California King Size Mattress | Top 8 Cal King Beds!
3.3K viewsFeb 20, 2025
YouTubeCNET Home
4:55
Best California King Size Mattress | My Top 5 Picks!
210 views6 months ago
YouTubeSleepJunkie
4:36
Best California King Mattress - Our Top Five Picks! 👑
1.7K viewsMar 28, 2023
YouTubeSleep Advisor
6:21
Best California King Mattresses - Which Should You Choose?
4K viewsJul 23, 2023
YouTubeMattress Clarity
6:35
Best Split California King Adjustable Beds in 2025 — Improve Sleep an…
906 viewsMar 29, 2025
YouTubeUp on Top
7:42
Best Box Springs | Top 5 Box Springs Review
363 viewsApr 10, 2021
YouTubeConfusion Reduce
14:07
Top 5 Best California King Mattress Reviews in 2024
62 views3 months ago
YouTubeMattress Mastery
5:49
Box Springs vs Foundations vs Platform Beds – What’s The Differ…
92.9K viewsJul 15, 2024
YouTubeMattress Clarity
15:47
Box Springs vs Foundations - Is There a Difference?
88K viewsOct 24, 2023
YouTubeMattress Makers
4:31
Do You Need A Box Spring For Your Mattress? (FULL GUIDE)
16.3K viewsSep 16, 2024
YouTubeThe Slumber Yard
6:07
Do You Need A Box Spring? - Everything You Need To Know!
18K viewsOct 21, 2024
YouTubeSleepopolis
0:28
California King vs Split King - Mattress Size Guide #shorts
2.1K views11 months ago
YouTubeSleep Advisor
5:12
Best California King Mattresses 2024 - Our Top 5 Picks!
1.3K viewsApr 13, 2024
YouTubeMattress Nerd
11:51
Best California King Mattresses - Our Top 8 PIcks!
2.7K viewsMar 23, 2024
YouTubeSleepopolis
0:56
REVIEW (2026): ROIL 12" Cal King Bed Frame. ESSENTIAL details.
114 viewsSep 24, 2024
YouTubeComparative Reviews
7:23
Best Split King Mattresses 2024 - Our Top Picks!
9.6K viewsFeb 18, 2024
YouTubeMattress Clarity
5:42
Best Costco Mattresses - Our Top 4 Costco Bed Picks(w/Alternatives)
81.2K viewsJun 16, 2024
YouTubeMattress Clarity
2:24
How to Build a Box Spring
85.3K viewsSep 21, 2020
YouTubeA Butterfly House
5:45
Box Spring/Foundation Heights - Which Height is Right for You?
26.7K viewsAug 29, 2022
YouTubeWoodstock Furniture & Mattress Outlet
2:21
Taking apart a mattress and box spring for recycling purposes
161.3K viewsAug 13, 2015
YouTubeDLX Willington
5:38
Zinus Box Spring Building and Review
13.8K viewsSep 10, 2023
YouTubeMoney Makin Mom
1:05
🛏️ Upgrade Your Bed with this King Box Spring | Amazon Home Produ…
4.5K viewsApr 20, 2023
YouTubeFirst Look Reviews
0:57
Review SHLAND King Box Spring, 5 Inch Box Springs King Size Basic…
21 views7 months ago
YouTubeField Test Finds
See more videos
Static thumbnail place holder

Shop the best cal king box spring

Sponsored
About our ads
$450.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$450.00
Beautyrest(R) Foundation, Low Profile Box Spring, Split California King | Pottery Barn
Pottery Barn
$450.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$450.00
Beautyrest(R) Foundation, Standard Box Spring, Split California King | Pottery Barn
Pottery Barn
$449.00
Platform Bed Frame California King Size | Mattress Foundation With Wood Slats By Nectar, No Box Spring Required
Nectar Sleep
$449.00
Platform Bed Frame California King Size | Mattress Foundation With Wood Slats By Nectar, No Box Spring Required
Nectar Sleep
$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
657
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
$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
$125.65
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
Amazon.com
81K+
Free shipping
25% off
$125.65
$169.00
Zinus 9 Inch California King Metal Smart Box Spring With Quick Assembly, Mattress Foundation, Strong Metal Frame, Easy Assembly
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
80
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
$549.99
$1,379.99
Sleepy's By Sealy Spring Luna Euro Top Mattress | Cal King
Mattress Firm
60% off
$549.99
$1,379.99
Sleepy's By Sealy Spring Luna Euro Top Mattress | Cal King
Mattress Firm
$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
$270.00
Wayfair Sleep™ Folding Metal Box Spring Size: California King Profile: Low Profile (4")
Joss & Main
5K+
Free shipping
$270.00
Wayfair Sleep™ Folding Metal Box Spring Size: California King Profile: Low Profile (4")
Joss & Main
$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
$128.51
7 in. H California King Box Spring, Heavy-Duty Metal Structure With Fabric Cover, Easy Assembly, Mattress Foundation
Home Depot
4
Free shipping
$128.51
7 in. H California King Box Spring, Heavy-Duty Metal Structure With Fabric Cover, Easy Assembly, Mattress Foundation
Home Depot
$1,849.99
Sleepy's By Sealy Spring Firm Mattress | Cal King
Mattress Firm
$1,849.99
Sleepy's By Sealy Spring Firm Mattress | Cal King
Mattress Firm
$550.00
Westin Heavenly(R) 5.5" Low Profile Box Spring, California King | Pottery Barn
Pottery Barn
$550.00
Westin Heavenly(R) 5.5" Low Profile Box Spring, California King | Pottery Barn
Pottery Barn
$290.85
$794.70
California King Medium Gel Memory Foam Hybrid Mattress 14 in. Bed-In-A-Box Mattress
Home Depot
Free shipping
63% off
$290.85
$794.70
California King Medium Gel Memory Foam Hybrid Mattress 14 in. Bed-In-A-Box Mattress
Home Depot
$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
$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
$849.00
$899.00
California King Size Mattress By Nectar Sleep | Compare The Nectar 2026 Affordable Memory Foam Bed In A Box Sale
Nectar Sleep
3K+
$849.00
$899.00
California King Size Mattress By Nectar Sleep | Compare The Nectar 2026 Affordable Memory Foam Bed In A Box Sale
Nectar Sleep