−20%
Diamond
Diamond ProGel Medium Gel Memory Foam 10" Mattress
1 review
Medium
$999 – $1,499$799 – $1,199
California king mattresses (72″ × 84″) are the longest standard size we sell — best for taller sleepers, with the same width as a queen-plus. Browse California King Mattresses below — try every model in person at LA Mattress Store before you buy. Free white-glove delivery on orders over $499 in Los Angeles, with our 120-night Love Your Bed Guarantee and 0% APR financing.
A California king mattress — often called a Cal king — measures 72 inches wide by 84 inches long, making it the longest standard mattress size available. Compared to a standard king (76" × 80"), a Cal king trades 4 inches of width for 4 extra inches of length, specifically designed for taller sleepers who need more legroom. At LA Mattress Stores, we carry California king mattresses from every brand in our lineup — Tempur-Pedic, Stearns & Foster, Diamond Mattress, Helix, and more — available to test at all five of our Los Angeles showrooms.
With over 27,100 monthly searches for "California king mattress" and 5,400 for "Cal king," this size is particularly popular in California and the western United States. The California king originated in Los Angeles in the 1960s, designed for the larger bedrooms common in California homes. Today, it remains the preferred size for tall individuals, couples where one or both partners are over 6 feet, and anyone who values extra length over maximum width.
The California king offers unique advantages for specific sleepers and bedroom configurations:
Shopping for a California king mattress near me in Los Angeles? Here's what to consider:
A standard king is 76" × 80" — wider but shorter than a Cal king (72" × 84"). Both have the same total surface area (6,080 square inches for king vs. 6,048 for Cal king). Choose standard king if width matters more (side-by-side space). Choose Cal king if length matters more (tall sleepers). In Los Angeles, both sizes are equally popular and equally available.
A queen (60" × 80") is significantly smaller than a Cal king — 12 inches narrower and 4 inches shorter. Upgrading from a queen to a Cal king adds substantial sleeping space for couples and tall individuals. However, a Cal king requires a larger bedroom. If room size is limited, a queen is more practical. We carry every mattress in queen and Cal king sizes.
Two twin XL mattresses (each 38" × 80") placed side by side equal the width of a standard king but with individually customizable firmness levels. A split Cal king uses two narrower, longer mattresses for the same individualization in Cal king dimensions. If you and your partner want different firmness levels, consider a split Cal king configuration with an adjustable base.
Our most popular California king mattresses across every brand and comfort level:
Check our mattress sale page for current California king promotions, including bundle deals on Cal king mattress and foundation sets.
A California king mattress measures 72 inches wide × 84 inches long (6 feet × 7 feet). This makes it 4 inches narrower and 4 inches longer than a standard king (76" × 80"). The Cal king is the longest standard mattress size available in the United States.
No. Standard king and California king sheets are different sizes and are not interchangeable. King fitted sheets are too wide and too short for a Cal king mattress. Always purchase bedding specifically labeled "California King" for proper fit. This applies to sheets, mattress protectors, mattress pads, and comforters.
We recommend a minimum bedroom size of 12 × 12 feet for a California king mattress. This provides enough space for the bed, nightstands, and comfortable walking room around all sides. Rooms 14 × 14 feet or larger are ideal. Measure your space before purchasing to ensure a good fit.
California king mattresses are typically priced the same as standard king at most brands. Since they use roughly the same amount of material (similar total surface area), manufacturers generally charge the same price for either size. Accessories like Cal king sheets and frames may have a slight premium due to lower production volumes compared to standard king.
Finding the best California king mattress near me or Cal king mattress near me in Los Angeles is easy with five LA Mattress Stores showrooms across the city. Our sleep experts will help you test different Cal king options, compare brands and firmness levels, and ensure the perfect fit for your bedroom and sleep needs.
Every California king mattress purchase includes free white glove delivery, a 120-night comfort trial, and 0% APR financing options. Visit us today or shop our complete California king mattress collection online with fast delivery across Los Angeles County.
California king is the right pick if you or your partner is 6 feet tall or taller — its 84" length gives you 4 extra inches of foot room compared to a standard king or queen. The trade-off is 4" less width than a standard king (72" vs 76"). For couples under 6 feet, a standard king is usually the better fit.
Slightly. Most home stores carry standard king bedding by default, with Cal King as a special-order. We stock Cal King sheets, fitted sheets, and mattress protectors at every showroom, and our online sizing page lists which models are available in Cal King.
Yes — Cal King bed frames and foundations are sized specifically (72" x 84"); a standard king frame is too wide and too short. Most major brands offer both king and Cal King variants of every bed frame, foundation, and adjustable base. We confirm frame compatibility before delivery so you don't end up with a mismatch.
Free white-glove delivery on orders over $499 anywhere in Los Angeles. Same-day if you order before 4 PM, otherwise next-day. We set up the new mattress, haul away your old one, and recycle it — not landfill.
We back every purchase with a 120-night Love Your Bed Guarantee. Sleep on it for at least 30 nights to let your body adjust, then if it’s not the right fit, exchange it for any other mattress — we credit the full original price.
Yes. We offer 0% APR financing through Synchrony and Acima on approved credit. Terms vary by purchase amount and partner — apply in 60 seconds at checkout or in any showroom.
