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Adjustable California King Bed Bases

The ultimate Cal King upgrade: an adjustable base that raises head and feet independently. Perfect for reading, reflux, snoring and zero-gravity relaxation — across all 72" × 84" inches.

Adjustable California king bed bases
Buying advice

What to Look For

  • Split vs one-piece: couples should get a split Cal King (two Twin XL bases) so each side adjusts independently.
  • Mattress compatibility: you need a flexible mattress — memory foam, latex or hybrid. Traditional innerspring won't bend.
  • Must-have features: wireless remote, zero-gravity preset, quiet motor (<50 dB). Nice extras: massage, under-bed lighting, USB.
  • Weight & warranty: bases weigh 150–250 lb; look for 10+ year warranties on the frame and 3–5 years on electronics.
Top picks

Best Adjustable California King Bed Bases of 2026

Frequently Asked Questions

Only if it's flexible — memory foam, latex or hybrid. Most traditional innerspring mattresses will be damaged.
Two Twin XL adjustable bases side by side, filling the 72" × 84" footprint. Each sleeper controls their own side.
Quality motors run under 50 dB — quieter than a conversation. Cheap bases can whir; check reviews.
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