deck support
Worth a lookShows a thin review moat (85 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible85.13avg incumbent reviews — the moat a new listing must climb
Growth
Great+101.0%90-day search growth — must beat 0% to launch
Avg price
Great$60.32avg listing price — sweet spot $15–$100
Competition
Great37%top-5 click share — an open shelf
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good66%top-5 brand share — brands hold most of the demand
Returns
Okay4.4%return rate — above 5% kills the launch gate
Price range
Okay$11.55–$266.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Market size
Okay$106K$106K/yr · 68K searches
According to Flapen's Amazon United States niche tracking, deck support is a $106K/yr Amazon United States market (68K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 60/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
deck support market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $121K–$151K
- units × avg price
- Conversion rate
- 2.6%
- Avg BSR
- #109
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 95%
- Out of stock
- 19.1%
- Avg brand age
- 32 months
- Avg seller age
- 152 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
17 falling
Sellers
21
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
37%
Top 20: 82%
Open market
27%
- deckit19%
- Goldshire17%
- MCCKLE12%
- BGTLGIO11%
- PHLKJL7%
- YHMYOALU6%
Demand & seasonality
Weekly Amazon search volume, last 99 weeks — +101.0% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.8×
Top deck support search terms
- adjustable deck support23K/yr
- adjustable deck pedestals11K/yr
- adjustable deck supports11K/yr
- deck support pedestal6K/yr
- adjustable deck support pedestal8K/yr
- deck pedestal4K/yr
- adjustable joist support pedestal3K/yr
- adjustable pedestal4K/yr
Top deck support products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Goldshire 24Pack Adjustable Deck Support Pedestal Plastic Adjustable Deck Foundation Base Height Adjustment Raising from 1-3/16 to 2-3/8 Black
Goldshire$51.844.4★72 rev
12Pack Adjustable Deck Support Pedestal - Base Support for Floating Deck Platform Adjusts 1-3/16 to 2-3/8 Black
BGTLGIO$29.124.3★311 rev
Deckit 12-Pack Adjustable Deck Support Pedestals 1.182.36 (3060 mm) for 24 & 26 Joist Framing Ground Support & Leveling for Patio Shed Base & Floating Deck Includes Joist Tape
deckit$31.794.4★184 rev
Goldshire 10 Pack Adjustable Deck Support Pedestal Plastic Adjustable Deck Foundation Base Support for Floating Deck Platform Deck Floor Height Adjustment Raising from 2-3/8 to 5-1/2
Goldshire$40.854.7★26 rev
PHLKJL 24Pack Adjustable Plastic Pedestal Paver Floor Slate Support Floor Lift Deck Support Floor Raising (Unilateral keel Slot)
PHLKJL$51.574.3★128 rev
Newest
by launch date
Hocamel 24Pack Adjustable Deck Support Pedestal Floor Lift Plastic Deck Foundation Support Base Floating Deck Platform Height Adjustment Raising from1-9/16 to 2-3/4 Automatic Leveling
Hocamel$66.8713 rev
50 Pack Deck Block Adjustable Deck Support Plastic Pedestal Paver Shed Base Deck Leveling Blocks Post Base 18-30MM Level Up Deck Support Pedestals Shed Foundation Kit
NAXVIO$95.626 rev
24 Pack Adjustable Deck Support Pedestal Kit Deck Foundation Base Height Adjustment 1-3/16 to 2-3/8 Plastic Deck Leveling Blocks with 48 Screws 2 Tape & Screwdriver for Decks Joists Flooring
MCCKLE$61.8396 rev
Goldshire 10 Pack Adjustable Deck Support Pedestal Plastic Adjustable Deck Foundation Base Support for Floating Deck Platform Deck Floor Height Adjustment Raising from 2-3/8 to 5-1/2
Goldshire$40.8526 rev
YXGJDP 2 Pack U-Shaped Floor Jack - Adjustable Steel Beam Support for 4x2 4x4 4x6 Joists Heavy Duty Screw Jack with U-Head Telepost & House Jack.6-8.5 Inch Adjustment Range.
YXGJDP$38.8420 rev
Trending
90-day click momentum
24Pack Adjustable Deck Support Pedestal Deck Foundation Base SupportUsed for Floating Deck Platform Deck Floor Height Adjustment Raising Adjustment Raising from 1-3/16 to 2-3/8 Black
YHMYOALU$51.234.3★
Goldshire 10 Pack Adjustable Deck Support Pedestal Plastic Adjustable Deck Foundation Base Support for Floating Deck Platform Deck Floor Height Adjustment Raising from 2-3/8 to 5-1/2
Goldshire$40.854.7★
Muzata 10Pack Raising from 2.4 to 5.5 Adjustable Deck Support Pedestal Paver Flooring Joist Unilateral Keel Deck Support Base M065
Muzata$43.574.3★
Adjustable Deck Support Pedestal 10Pack Deck Foundation Support Base for Floating Deck Platform Deck Blocks Adjustable Deck Plastic Supports Pedestal Paver 2-3/8 to 5-1/2 by MCCKLE
MCCKLE$49.434.6★
Deckit 12-Pack Adjustable Deck Support Pedestals 1.182.36 (3060 mm) for 24 & 26 Joist Framing Ground Support & Leveling for Patio Shed Base & Floating Deck Includes Screws
deckit$29.634.4★
What buyers say about deck support
What buyers praise and complain about, mined from review topics.What buyers love
“Ease of use”
“Great cheap product”
“The adjustment feature works well”
“Solid pedestals”
“Worth the money”
“works as expected”
“Genius idea to build fast”
“Works great”
“They seemed very durable”
“Perfect fit”
What buyers complain about
“junk”
“Cheap plastic”
“Small”
“Also these are very expensive for what you get”
“Not as easy to level”
“they wobble if you extend them too far”
“I have concerns this would be highly unstable”
“they adjust height. not a ton”
“the drain holes are a major design flaw”
“They tend to bind if they aren't very clean”
Top return reasons
Common questions
- Is deck support profitable to sell on Amazon United States?
- The niche generates $106K/yr across 40 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is +101.0%. Flapen's verdict: Worth a look (60/100).
- How competitive is the deck support niche?
- 17 brands and 21 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in deck support?
- Top complaints mined from reviews: Quality-Overall, Material Quality, Size-Overall. The return rate is 4.4%.
- When does demand for deck support peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.8× the quietest.
- What does it cost to enter the deck support niche?
- Listings span $11.55–$266.61; the average listing price is $60.32 (sweet spot $15–$100). The average incumbent carries 85 reviews — the moat a new listing must climb.