King Size Mattresses in Los Angeles

A standard king (76"×80") is 4 inches wider and 4 inches shorter than a California king (72"×84"). The standard king offers more total width — better for couples who want maximum side-by-side space, co-sleeping with children, or broader body types. The California king is narrower but longer — suited for tall sleepers 6'4" or above who want their feet well away from the footboard. Both sizes require the same minimum room size (12'×12'). If you are unsure, the standard king is the more versatile choice for most master bedrooms.

A king (76"×80") is 16 inches wider than a queen (60"×80") — that is a significant difference that translates to roughly an extra 8 inches of personal space per person. The king is the right call when: your room is 12'×12' or larger, you and your partner both want maximum personal space, you co-sleep with children or pets, or your bedroom is a dedicated master suite. A queen is the better fit when your room is under 12'×12', or when budget is a primary factor — the same mattress model typically costs more in king. We carry both sizes in all major brands at all 5 LA showrooms.

The minimum room size for a king mattress is 12'×12'. At that size you will have just enough clearance to move around the bed. The recommended room size is 12'×14' — this gives you 24" of walking clearance on each side (one side may be against the wall), comfortable space for nightstands, and room for a dresser or seating opposite the bed. If your room is under 12'×10', a king is likely too large to feel right — consider a queen. Measure your room before ordering and account for any furniture you plan to keep.

The best king mattress for couples depends on whether you and your partner have similar or different sleep preferences. For couples with similar preferences: a king hybrid ( Black Posturepedic Plus, Helix Midnight Luxe) delivers balanced support, motion isolation, and cooling. For couples with very different firmness needs: consider a split king — two twin XL mattresses on an adjustable base, giving each person independent control. For luxury: Tempur-Pedic LuxeAdapt or Stearns & Foster Estate. For value: Helix Midnight or Signature Hybrid in king. Our specialists can match you to the right model in person — try side by side at any of our 5 LA showrooms.

At LA Mattress Store, king mattresses range from $299 for a quality entry-level foam or innerspring to $5,199+ for a Tempur-Pedic LuxeAdapt or Stearns & Foster Estate. The sweet spot for most shoppers is $799–$1,799, where you will find strong hybrid options from and Helix. For a luxury hybrid or premium memory foam, $1,800–$2,800 covers the top tier from most brands. King mattresses typically cost $100–$300 more than the same model in queen. All king mattresses include free delivery.

Firmness depends on sleep position and body weight, not personal preference alone. Side sleepers need plush to medium-soft for pressure relief at the hips and shoulders. Back sleepers do best with medium to medium-firm for lumbar support. Stomach sleepers need firm to extra-firm to prevent hip sinkage. Couples often compromise on medium, which is the most versatile and best-selling firmness across all brands. For split king setups on an adjustable base, each side can be a different firmness entirely. We carry king mattresses in plush, medium, firm, and extra firm.

A split king consists of two twin XL mattresses placed side by side on a king-size adjustable base. Each twin XL is 38"×80", and two together create the standard 76"×80" king footprint. Split king is ideal for couples who want: different firmness levels on each side, individual head and foot adjustments on an adjustable base, or zero-transfer motion isolation. The tradeoff is a seam down the center of the bed — most couples use a split king mattress pad to bridge it. We carry several adjustable bases and twin XL mattress pairs specifically for split king setups.

Yes. All king mattresses come with free delivery to your home. We also offer White Glove delivery — our team delivers, unpacks, sets the mattress up in your room, and removes your old mattress at no charge on select orders. All king mattresses are backed by our 120-night sleep trial and 0% APR financing. Call us at (800) 218-3578 or visit any of our 5 Los Angeles showrooms.

Yes — and we strongly recommend it for a king purchase. We carry 194 king mattresses across 9+ brands, and the size of the investment makes in-person testing especially worthwhile. All 5 of our Los Angeles showrooms carry a wide selection of king mattresses from Tempur-Pedic, Stearns & Foster, Helix, and more. Our specialists can help you compare options — and if you are considering a split king, we can walk you through adjustable base compatibility. We are open Mon–Sat 10am–8pm, Sun 11am–7pm.

For most couples in a room 12'×12' or larger, a king is worth the upgrade. The 16 extra inches of width — 8 inches per person — meaningfully reduce sleep disturbance and give each person more room to sleep in their natural position without crowding their partner. The king is especially worth it when you co-sleep with children or pets, when one or both partners move significantly during the night, or when you are investing in a luxury mattress and want the full experience. If your room is under 12'×12', the king may feel cramped and a queen will serve you better.