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California King Mattress

Maybe

Shoppers spend an estimated $4.6M a year here. But prices span $65.76–$835.41, mostly outside the sweet spot, so California King Mattress is a Maybe.

Flapen Score
61
61 / 100
Top 8% of 11,240 Home & Kitchen niches · +12 vs the category median of 49
Market size
$4.6M/yr1.6M searches / yr
90-day growth
-9.7%search demand this quarter
Competition
22%top-5 click share · 32 brands · 37 sellers

Flapen Score

California King Mattress against its category

The dotted line is the Home & Kitchen average. Past it, California King Mattress is stronger. Inside it, weaker.

61Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The California King Mattress market on Amazon at a glance

Shoppers on Amazon United States searched for California King Mattress 1.6M times last year and spent an estimated $4.6M. The top 5 brands take 49% of clicks. Flapen scores it 61 out of 100, a Maybe.

01 · Demand

An estimated 0.8% of those searches ended in a purchase.

Shoppers searched for this 1.6M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.8% of those searches ended in a purchase. Searches in the last 90 days moved -9.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $4.6M a year.

Searches, last 12 months
1.6M
Growth, 90 days vs prior 90
-9.7%
Conversion, latest week
0.8%
Market size, estimated
$4.6Ma year
Peak month
March1.3× the quietest month
Top search term
california king mattress1.0M searches a year

02 · Price

A sale here is worth $357.85.

Listings sell for $357.85 on average, from $65.76 to $835.41. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 100 to 250 of them. At $357.85 that is $36K to $89K a year per listing.

Average price
$357.85above the $15 to $100 sweet spot
Price range
$65.76–$835.41
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
13K–15K
Units per listing a year
100–250
Revenue per listing a year
$36K–$89K
Returns
1.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

88% of listings pay for placement with sponsored ads. 79% ship with Prime. On an average day, 56.4% of listings are out of stock. The average listing ranks #277 within Mattresses & Box Springs. It carries 3,224 reviews at 4.28 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
79%
Out of stock, average day
56.4%
Average rank
#277in Mattresses & Box Springs
Average rating
4.28 starsAmazon United States average 4.42 stars
Average reviews
3,224per listing
Listings tracked
77

04 · Newcomers

38 of last year's 57 launches cleared the first-year sales bar.

57 products launched here in the last 12 months. 38 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
57
Successful launches
38Amazon's first-year sales bar
Average brand age
33 months

Products

Top California King Mattress products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take only 22% of clicks. An open shelf where new products get seen.

Brands

32 rising

Sellers

37

Top-5 brand share

49%

Top 20: 92%

Top-5 click share

22%

Top 20: 58%

Open market

45%

  • Brand 114%
  • Brand 211%
  • Brand 39%
  • Brand 48%
  • Brand 57%
  • Brand 65%

Demand

California King Mattress search demand

Weekly searches over the year, seasonality beneath. Pick a range.

45K35KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top California King Mattress search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • california king mattress1.0M/yr
  • cal king mattress194K/yr
  • cali king mattress69K/yr
  • california king66K/yr
  • california king size mattress41K/yr
  • california king memory foam mattress26K/yr
  • california king mattress 14 inch21K/yr
  • mattress california king28K/yr
  • california king hybrid mattress13K/yr
  • california king mattress firm18K/yr

Reviews and returns

What reviews say buyers love and hate about California King Mattress

We read the reviews and the return reasons for every product selling here.

31%of positive reviews mention “Comfort-Overall”
15%of negative reviews mention “Hard Feel”
1.1%of orders come back
“Just a hard mattress”
A buyer, on “Hard Feel”15% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

14 topics

NegativePositive

FAQ

Common California King Mattress questions

Answered from the same tracked data.