Is outdoor locks weatherproof profitable to sell on Amazon United States?

The niche generates $396K/yr across 37 tracked products. 90-day search growth is +7.8%. Flapen's verdict: Worth a look (54/100).

How competitive is the outdoor locks weatherproof niche?

10 brands and 119 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in outdoor locks weatherproof?

Top complaints mined from reviews: Locking Mechanism, Rusts/Corrodes, Quality-Overall. The return rate is 2.4%.

When does demand for outdoor locks weatherproof peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the outdoor locks weatherproof niche?

Listings span $6.09–$37.04; the average listing price is $16.00 (sweet spot $15–$100). The average incumbent carries 6,461 reviews — the moat a new listing must climb.

outdoor locks weatherproof

Worth a look

Shows a fragmented shelf (top 5 take 36% of clicks), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.

Competition

Great36%

top-5 click share — an open shelf

Avg price

Great$16.00

avg listing price — sweet spot $15–$100

Conversion

Great7.3%

search→purchase rate — share of searches ending in a sale

Price range

Good$6.09–$37.04

cheapest to priciest tracked listing — scored on the share inside $15–$100

Returns

Good2.4%

return rate — above 5% kills the launch gate

Market size

Good$396K

$396K/yr · 338K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+7.8%

90-day search growth — must beat 0% to launch

Review moat

Bad6,461.43

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad92%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, outdoor locks weatherproof is a $396K/yr Amazon United States market (338K searches/yr). The top 5 brands hold 92% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

outdoor locks weatherproof market data

Units sold / yr: 20K–25K; avg 500–750/product
Revenue / yr: $320K–$400K; units × avg price
Conversion rate: 7.3%
Avg BSR: #20
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.4%
Avg brand age: 49 months
Avg seller age: 156 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

10 falling

Sellers

119

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

36%

Top 20: 78%

Open market

Master Lock66%
Puroma8%
SEPOX8%
Diyife6%
SafiSwords3%
CINCINNO2%
Open — no brand owns it (4 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +7.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top outdoor locks weatherproof search terms

pad locks with same key54K/yr +12.9%4.1% conv.
outdoor locks weatherproof39K/yr +24.5%5.0% conv.
master lock key42K/yr -14.5%5.4% conv.
masterlock with key32K/yr +5.1%7.6% conv.
outdoor padlock weatherproof27K/yr +1.4%5.1% conv.
master lock with key19K/yr +15.5%6.5% conv.
weatherproof padlock19K/yr +1.6%2.6% conv.
master lock outdoor10K/yr +20.1%5.1% conv.
master locks with keys9K/yr +16.1%4.9% conv.
heavy duty combination lock outdoor8K/yr +22.1%4.1% conv.

All search terms

Top outdoor locks weatherproof 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Master Lock Magnum Heavy Duty Outdoor Padlock with Key Weather Resistant Body and Cut Safe Shackle Make Lock Perfect for Fences Gates Sheds M115XKADLF Black

Master Lock$14.464.6★12,340 rev

Master Lock Magnum Heavy Duty Outdoor Padlock with Key Weather Resistant Body and Cut Safe Shackle Make Lock Perfect for Fences Gates Sheds 2 Pack M115XTLF Black

Master Lock$23.994.6★12,340 rev

Diyife Heavy Duty Combination Padlock Large Outdoor Padlock [One-Touch Unlocking] High Security Weatherproof Design of Hidden Password Suitable for Locker Home School Garage Gate Garden

Diyife$14.024.7★1,490 rev

Master Lock 3TLF Laminated Steel Padlock with Key 2 Pack Keyed-Alike

Master Lock$15.414.5★651 rev

Master Lock Combination Lock Heavy Duty Weatherproof Padlock Resettable for Outdoor Use Brass Finish M175XDLF

Master Lock$21.954.4★9,089 rev

Newest

by launch date

SEPOX 2-Pack Heavy-Duty Padlocks Keyed Alike 1-9/16 Steel

SEPOX$9.87399 rev

2y ago

Diyife Heavy Duty Combination Padlock Large Outdoor Padlock [One-Touch Unlocking] High Security Weatherproof Design of Hidden Password Suitable for Locker Home School Garage Gate Garden

Diyife$14.021,490 rev

3y ago

SEDORTI Outdoor Weatherproof Padlock with Stainless Steel Shackle and Solid Brass Body Marine Grade Rustproof Long Lock for Sheds Storage Unit School Gym Locker Fence Toolbox Hasp Storage

SEDORTI$9.911,075 rev

4y ago

Puroma 2 Pack Keyed Padlock with 3 Keys Alike 7/8 Inch Locker Lock 40mm Heavy-Duty Locks for Gate Fence Hasp Cabinet Toolbox School Gym Locker (Black)

Puroma$9.134,391 rev

4y ago

CINCINNO 4 Pack Heavy Duty Covered Laminated Steel Padlocks Keyed Alike Weatherproof Padlocks with 1-9/16 in. Wide Body Long Shackle for Gate Shed Storage Locker Lock

CINCINNO$20.121,455 rev

5y ago

What buyers say about outdoor locks weatherproof

What buyers praise and complain about, mined from review topics.

What buyers love

Locking Mechanism33%

“Good lock works as expected”

Quality-Overall12%

“Excellent Quality”

Value For Money9%

“Great deal”

Advertised Vs Actual Product7%

“Better than I expected”

Ease Of Use7%

“easier to remove”

Strength5%

“Great heavy duty locks”

Size-Overall4%

“Love it fit for what I needed it for”

Efficiency3%

“Worked for me”

Durability3%

“Durable and lightweight”

Assembly/Installation3%

“Easy to install”

What buyers complain about

Locking Mechanism24%

“Won't lock”

Rusts/Corrodes13%

“rusted within a month”

Quality-Overall10%

“Bad quality”

Durability9%

“Didn't last a week”

Advertised Vs Actual Product5%

“FALSE ADVERTISING”

Ease Of Use4%

“Very hard to open”

Size-Overall3%

“Really lousy fit so be aware”

Suitable For Outdoor3%

“Do NOT use these outside”

Functionality-Overall2%

“doesn't close properly”

Value For Money2%

“I see why they are cheap”

Top return reasons

Size-Overall52%

Locking Mechanism18%

Functionality-Overall6%

Advertised Vs Actual Product5%

Value For Money3%

Defective Material/Parts2%

Thickness2%

Weight Heavy2%

Mechanism Issues2%

Quality-Overall1%

Common questions

Is outdoor locks weatherproof profitable to sell on Amazon United States?: The niche generates $396K/yr across 37 tracked products. 90-day search growth is +7.8%. Flapen's verdict: Worth a look (54/100).
How competitive is the outdoor locks weatherproof niche?: 10 brands and 119 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in outdoor locks weatherproof?: Top complaints mined from reviews: Locking Mechanism, Rusts/Corrodes, Quality-Overall. The return rate is 2.4%.
When does demand for outdoor locks weatherproof peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the outdoor locks weatherproof niche?: Listings span $6.09–$37.04; the average listing price is $16.00 (sweet spot $15–$100). The average incumbent carries 6,461 reviews — the moat a new listing must climb.