---
title: "One Sided Deadbolt — $29K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/one-sided-deadbolt"
last_updated: "2026-08-08T22:11:06.311Z"
locale: en
meta:
description: "Niche score 35/100 · $29K/yr market · 40K searches/yr · $17.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $29K/yr market · 40K searches/yr · $17.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "One Sided Deadbolt — $29K/yr Amazon US Niche (2026) - Flapen"
---
# **one sided deadbolt**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 7Growth 42Conversion 51Competition 25Returns 25Price range 57Avg price 82Brand share 0Review moat 72Quality gap 55
**Avg price**
**Great****$17.61**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****604.43**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$5.15–$28.12**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.1%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+13.9%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Returns**
**Bad****5.1%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$29K**
$29K/yr · 40K searches
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, one sided deadbolt is a $29K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 35/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **one sided deadbolt market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$44K–$53K**
- units × avg price
- **Conversion rate**
- **4.1%**
- **Avg BSR**
- **#411**
- **Page quality**
- **0%**
- **Prime**
- **71%**
- **Sponsored**
- **36%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**0%**
- Kwikset37% - SCHLAGE36% - Design House15% - Delaney10% - Stone Harbor Hardware2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +13.9% search growth over the last 90 days.
1K600Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/one-sided-deadbolt/trend)
## **Top one sided deadbolt search terms**
- **one sided deadbolt lock**13K/yr+45.6%3.5% conv. - **one sided deadbolt**11K/yr-8.3%2.8% conv. - **single sided deadbolt**9K/yr-9.4%4.5% conv. - **deadbolt no key**4K/yr+22.0%1.7% conv. - **single sided door lock**3K/yr+16.5%0.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/one-sided-deadbolt/search-terms)
## **Top one sided deadbolt 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.
0%10%$3K20%$6K30%$9K40%$11K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kwikset 663 Deadbolt Unkeyed Deadbolt Lock Satin Nickel Round Interior Turn Piece for Front Entry Door with Latch and Adapter No Exterior Assembly**Kwikset**$9.54**4.4★881 rev](https://www.amazon.com/dp/B0087YZF24) [2**Schlage B81 622 Deadbolt with Standard Trim Non-Keyed One Sided Deadbolt Highest Residential Security Matte Black**SCHLAGE**$28.12**4.6★1,828 rev](https://www.amazon.com/dp/B004L1W56G) [3**Schlage B81 626 Deadbolt with Standard Trim Non-Keyed One Sided Deadbolt Highest Residential Security Satin Chrome**SCHLAGE**$27.72**4.6★1,828 rev](https://www.amazon.com/dp/B00E4WJFYM) [4**Schlage B81 619 Deadbolt with Standard Trim Non-Keyed One Sided Deadbolt Highest Residential Security Satin Nickel**SCHLAGE**$26.40**4.6★1,828 rev](https://www.amazon.com/dp/B00DHFA9UQ) [5**Design House 702621 2-3/8-inch Backset Single Sided Deadbolt with Turn-Button Interior Brushed Bronze**Design House**$15.10**4.4★596 rev](https://www.amazon.com/dp/B007THOZUS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Delaney 205 One-Sided Half Bore Deadbolt in Matte Black**Delaney**$15.42**0 rev2mo ago](https://www.amazon.com/dp/B0H3491M2Q) [**Stone Harbor Hardware Grade 3 Deadbolt Single Side Matte Black**Stone Harbor Hardware**$21.04**13 rev2y ago](https://www.amazon.com/dp/B09NMLBXQQ) [**Kwikset 663SQT Privacy One Sided Deadbolt from The Signature Series - Satin Nickel**Kwikset**$24.91**2 rev6y ago](https://www.amazon.com/dp/B0CZMDVYKX) [**Delaney One Sided Full Bore Deadbolt Satin Nickel**Delaney**$19.81**28 rev9y ago](https://www.amazon.com/dp/B01N6KNRCB) [**Delaney One Sided Half Bore Deadbolt Satin Nickel**Delaney**$5.15**22 rev9y ago](https://www.amazon.com/dp/B01N2XPMSE)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Delaney 205 One-Sided Half Bore Deadbolt in Matte Black**Delaney**$15.42**0.0★**▲ 258%**](https://www.amazon.com/dp/B0H3491M2Q) [**Design House 702621 2-3/8-inch Backset Single Sided Deadbolt with Turn-Button Interior Brushed Bronze**Design House**$15.10**4.4★**▲ 91%**](https://www.amazon.com/dp/B007THOZUS) [**Kwikset 663 Deadbolt Unkeyed Deadbolt Lock Polished Brass Round Interior Turn Piece for Front Entry Door with Latch and Adapter No Exterior Assembly**Kwikset**$10.82**4.1★**▲ 91%**](https://www.amazon.com/dp/B000B4IWJ6) [**Schlage B81 626 Deadbolt with Standard Trim Non-Keyed One Sided Deadbolt Highest Residential Security Satin Chrome**SCHLAGE**$27.72**4.6★**▲ 86%**](https://www.amazon.com/dp/B00E4WJFYM) [**Kwikset 663SQT Privacy One Sided Deadbolt from The Signature Series - Satin Nickel**Kwikset**$24.91**4.5★**▲ 76%**](https://www.amazon.com/dp/B0CZMDVYKX)
**~~View all trending →~~**
## **What buyers say about one sided deadbolt**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**26%
*“Great product - best deal on the site”*
**Advertised Vs Actual Product**26%
*“Just what i needed”*
**Locking Mechanism**13%
*“Good Security for renters or anyone needing extra security”*
**Assembly/Installation**13%
*“It is easy to install”*
**Strength**5%
*“it is heavy duty”*
**Weight Heavy**3%
*“it is heavy duty”*
**Durability**2%
*“durability nowadays”*
**Size-Overall**2%
*“Fits well”*
**Quality-Overall**2%
*“I am absolutely blown away by the quality of this Delaney deadbolt”*
**Security**2%
*“Great for my needs for security”*
### **What buyers complain about **
**Quality-Overall**44%
*“Poor Quality”*
**Size-Overall**17%
*“not for 2 3/4”*
**Mechanism Issues**17%
*“Backset not adjustable”*
**Instructions/User Manual/Troubleshooting**6%
*“no instructions were provided”*
### **Top return reasons **
**Size-Overall**32%
**Functionality-Overall**11%
**Defective Material/Parts**11%
**Color**9%
**Advertised Vs Actual Product**8%
**Locking Mechanism**8%
**Compatibility-Overall**6%
**Assembly/Installation**3%
**Value For Money**2%
**Mechanism Issues**2%
## **Common questions**
- **Is one sided deadbolt profitable to sell on Amazon United States?**
- The niche generates $29K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +13.9%. Flapen's verdict: Skip it (35/100).
- **How competitive is the one sided deadbolt niche?**
- 5 brands and 30 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in one sided deadbolt?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Mechanism Issues. The return rate is 5.1% — above our launch gate.
- **When does demand for one sided deadbolt peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the one sided deadbolt niche?**
- Listings span $5.15–$28.12; the average listing price is $17.61 (sweet spot $15–$100). The average incumbent carries 604 reviews — the moat a new listing must climb.
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