Labor Day Sale On California King Firm Mattresses

Labor Day savings on California king firm mattresses make it easier than ever to upgrade your sleep space for less. Discover a variety of supportive options designed to help you wake up feeling refreshed and ready for the day ahead. With special offers available for a limited time, now is the perfect moment to find the right California king firm mattress that fits your style and budget. Shop our selection today and experience how we make sleep easy™.

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Sleepy's Rest Firm 2.0 Innerspring Mattress

6944

Starting at

$400⁹⁹

$1250⁹⁹

$850 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn

Limited time deal ends Sunday

Beautyrest BR800 11.25" Firm Mattress

2205

Starting at

$565⁹⁹

$1300⁹⁹

$735 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

Stearns & Foster Estate 14.5" Firm Mattress

1717

Starting at

$2799⁰⁰

$2999⁰⁰

$200 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Allergies;Toss and Turn;Toss and Turn
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1129

Starting at

$800⁹⁹

$999⁰⁰

$199 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Nectar Classic 12" Firm Memory Foam Mattress

215

Starting at

$899⁰⁰

$1399⁰⁰

$500 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Bed Partner
Temperature

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Firm Mattress

4802

Starting at

$4099⁰⁰

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Beautyrest Black Series Three 15" Firm Mattress

2113

Starting at

$4199⁰⁰

$4799⁰⁰

$600 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Purple RestorePlus 13" Firm Hybrid Mattress

1667

Starting at

$4099⁰⁰

$4399⁰⁰

$300 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Firm Mattress

1406

Starting at

$5399⁰⁰

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Temperature;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Serta Perfect Sleeper Oasis Sleep 14.5" Firm Pillow Top Mattress

1123

Starting at

$1078⁹⁹

$1399⁰⁰

$321 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's By Sealy Slumber Firm Mattress

693

Starting at

$374⁹⁹

$1700⁹⁹

$1326 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner;Toss and Turn;Pain;Temperature
Toss and Turn
Pain

Serta Perfect Sleeper Pacific Peace 12" Hybrid Firm Mattress

241

Starting at

$1050⁹⁹

$1399⁰⁰

$349 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 Greenwood 10.5" Firm Mattress

3394

Starting at

$1300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner;Toss and Turn;Temperature;Pain
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's By Sealy Memory Foam Firm Mattress

3095

Starting at

$410⁹⁹

$1100⁹⁹

$690 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Toss and Turn
Bed Partner
Toss and Turn

Stearns & Foster Estate 15" Firm Euro Pillow Top Mattress

2650

Starting at

$2999⁰⁰

$3199⁰⁰

$200 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Allergies;Toss and Turn;Toss and Turn
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Beautyrest BR800 Greenwood 11.25" Firm Mattress

1665

Starting at

$1300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner;Toss and Turn;Temperature;Pain
Toss and Turn
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Take advantage of our incredible Labor Day savings on California king firm mattresses and upgrade your sleep experience at an unbeatable value. This year’s Labor Day mattress promotions make it the perfect time to find your dream California king firm mattress, combining indulgent comfort with robust support for those who prefer a sturdy sleeping surface. Featuring market-leading brands and a wide assortment of top-rated models, our California king firm mattresses are designed to provide optimal spinal alignment, pressure point relief, and undisturbed rest—all in a spacious design perfect for couples or those who love extra room.

Explore exclusive discounts across our entire selection of California king firm mattresses during the Labor Day event. Whether you're searching for advanced cooling technology, superior edge support, or specialized materials to reduce motion transfer, you’ll discover exceptional options tailored to your unique sleep needs. Don’t miss out on factory-direct pricing and limited-time bonus offers, including free delivery and financing opportunities that make upgrading simple and budget-friendly. Transform your bedroom into a sanctuary of restorative sleep with a premium California king firm mattress from Mattress Firm—shop now for the best selection and lowest prices of the year.

What are the benefits of choosing a firm California king mattress during Labor Day promotions? + -

A firm California king mattress provides excellent support for your back and spine, making it ideal for those who prefer a sturdier sleeping surface. Shopping during Labor Day promotions allows you to take advantage of special offers, making it a great time to upgrade your sleep experience.

How do I know if a firm California king mattress is right for my sleep style? + -

Firm mattresses are generally recommended for back and stomach sleepers, as they help maintain proper spinal alignment. If you wake up with aches or prefer less sinkage while sleeping, a firm California king mattress could be an excellent choice.

What features should I look for in a firm California king mattress? + -

When shopping for a firm California king mattress, consider features like high-density foam or innerspring support systems, breathable materials for temperature regulation, and reinforced edges for added durability.

Are there any tips for maintaining the quality of my firm California king mattress? + -

To maintain your mattress's quality, rotate it regularly to promote even wear, use a mattress protector to guard against spills and allergens, and ensure it's placed on a supportive bed frame or foundation.

Why is Labor Day considered one of the best times to shop for mattresses? + -

Labor Day is known for significant events across many retailers, including mattress stores. It's an ideal time to find offers on high-quality mattresses as stores often provide exclusive discounts and promotions to mark the holiday.