Best Mailbox Locks (Aug. 2022) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Prime-Line S 4140 Mailbox Lock – Replacement, Multipurpose Mailbox Lock for S...

9.9
CPR Score
Top 2

Prime-Line S 4573 Replace Damaged or Missing Mailbox Locks, 90 Degree Rotatio...

9.7
CPR Score
Top 3

Prime-Line S 4531 National Keyway Mail Box Lock with 9 Cams and 5 Pin

9.6
CPR Score
Tips


Our team has analyzed 273 products of different Hardware brands, including PRIME-LINE, Mail Boss, Salsbury Industries, CCL Security Products, First Watch Security, COMPX NATIONAL, Hudson Lock, LLC, Compx Security And Smathou. The following list of top 30 Mailbox Locks is prepared for the customers by analyzing 273 Mailbox Locks products and comparing different features. 

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Mailbox Locks Rated by CherryPicks

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Top 30 Mailbox Locks on Aamazon (Verified You can Buy)

Top 1

Prime-Line S 4140 Mailbox Lock – Replacement, Multipurpose Mailbox Lock for Several Brands – Nickel Finish, ILCO 1003M Keyway, Opens Counter-Clockwise with 90º Rotation

PRIME-LINE
S 4140
1.25 x 3.813 x 4.875 Inches
0.215 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

REPLACEMENT LOCK – The S 4140 multipurpose replacement mailbox lock is an easy fix and can easily replace lost or broken mailbox locks. This is a 5-pin tumbler lock.
WORKS FOR SEVERAL BRANDS – This replacement mailbox lock works for several brands of mailboxes, including: American Device, Auth-Florence, Bommer, and Miami Carey.
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Top 2

Prime-Line S 4573 Replace Damaged or Missing Mailbox Locks, 90 Degree Rotation, Opens Counter-Clockwise, National Keyway, Nickel Finish, Nickle

PRIME-LINE
S 4573
1.25 x 3.813 x 4.938 Inches
0.1 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

REPLACEMENT PART – Use this mailbox lock to quickly and easily replace damaged or missing mailbox locks. It has 90-degree rotation and opens counter-clockwise.
INCLUDES – This mailbox lock comes with a spring steel locking clip, a threaded body and a nut for optional cam attachment.
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Top 3

Prime-Line S 4531 National Keyway Mail Box Lock with 9 Cams and 5 Pin

PRIME-LINE
S 4531
1.25 x 3.75 x 4.875 Inches
0.02 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Components of this mailbox lock are constructed of diecast, brass, steel and stamped steel materials
Steel components come finished in a corrosion resistant, zinc plated finish and cylinder face comes in a nickel plated finish
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Top 4

CompX National C9100 USPS-L-1172C Mailbox Lock (Clockwise) (10 Pack)

COMPX NATIONAL
C9100
0.01 Pounds

Ratings for COMPX NATIONAL (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
ProShop Deals 626
SDR Supply 848

Features

Each lock is Keyed Different (KD)
Top 5

Compx National Mailbox Lock 4C Style Clockwise

Compx Security
C9100
0.5 x 5.0 x 6.5 Inches
0.01 Pounds
  • Unknown: English

Ratings for Compx Security (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Security Hardware Discounters -
Cozy Shopping 4U -
EasyKeys Inc. 6,466
AJTM -

Features

Includes Mounting Clip, and Nut.
Clockwise rotation to unlock
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Top 6

Prime-Line MP4526 Mail Box Lock, NA14 Keyway with Dust Cover, (single pack)

PRIME-LINE
MP4526
5.0 x 4.0 x 1.375 Inches
0.221 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Diecast construction
Nickel plated face
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Top 7

Prime-Line MP4532 9-Cam, Hl1 Keyway, Mail Box Lock, Counter Clockwise Rotation, (single pack), Chrome

PRIME-LINE
MP4532
4.75 x 4.0 x 1.0 Inches
0.28 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

5-Pin tumbler mail box lock
Uses Hudson keyway
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Top 8

Prime-Line MP4048 Mail Box Lock, 1/4 inch Throw, Steel, Brass Plated, (single pack)

PRIME-LINE
MP4048
3.25 x 4.0 x 0.625 Inches
0.078 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Steel construction
Fits on Auth, United and Florence mailboxes
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Top 9

Compx National Mailbox Lock 4C Style Counter Clockwise

Compx Security
C9200
0.173 x 0.173 x 0.173 Inches
0.18 Pounds
  • Unknown: English

Ratings for Compx Security (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Security Hardware Discounters -
Security Supply Direct -
AJTM -

Features

Includes 3 Keys
Top 10

CCL Security Products 82013 Multicam Mailbox, Includes Three Keys, Mounting Clip, Lock Washer, Nut, and Formed Hook Cam

CCL Security Products
82013
1.0 x 0.5 x 0.5 Inches
0.11 Pounds

Ratings for CCL Security Products (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Mr. Lock, Inc. -

Features

Best used in apartments, condominiums, schools, lobbies, and pedestal-mounted neighborhood boxes
90 degree clockwise cam turn to open
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Top 11

Prime-Line S 4125 5-Pin Tumbler Diecast Nickel-Plated Mailbox Lock, Bommer

PRIME-LINE
S 4125
1.25 x 3.813 x 4.875 Inches
0.13 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

This is multi-purpose mailbox lock replaces original locks provided by various manufacturers
Key will not remove in unlocked position which prevents user from forgetting to lock mailbox
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Top 12

Prime-Line MP4049 Mail Box Lock, Keyed, 5/16 inch Bolt, Brass Plated, (single pack)

PRIME-LINE
MP4049
4.0 x 4.0 x 0.687 Inches

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Steel construction
Fits on Bommer mailboxes
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Top 13

Prime-Line S 4315 Mail Box Lock, Nickel

PRIME-LINE
S 4315
1.25 x 3.813 x 4.875 Inches
0.1 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
MaxWarehouse 194

Features

This is multi-purpose mailbox lock replaces original locks provided by various manufacturers
Key will not remove in unlocked position which prevents user from forgetting to lock mailbox
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Top 14

Prime-Line U 9940 Mailbox Lock – Replacement, Multipurpose Mailbox Lock for Several Brands – Brass Finish, ILCO 1003M Keyway, Opens Counter-Clockwise with 90º Rotation

PRIME-LINE
U 9940
1.25 x 3.813 x 4.875 Inches
0.2 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

REPLACEMENT LOCK – The U 9940 multipurpose replacement mailbox lock is an easy fix and can easily replace lost or broken mailbox locks. This is a 5-pin tumbler lock.
WORKS FOR SEVERAL BRANDS – This replacement mailbox lock works for several brands of mailboxes, including: American Device, Auth-Florence, Bommer, and Miami Carey.
Show More
Top 15

Mail Boss Padlocking Mailbox Hasp Lock Replacement- Makes Any Mail Boss Mailbox/Drop Box Padlock Compatible

Mail Boss

Ratings for Mail Boss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Epoch Design LLC -

Features

Replaces existing Mail Boss key turned locks
Compatible with all Maill Boss mailboxes and drop boxes
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Top 16

Prime-Line MP4542S Mailbox Lock, 1-3/8 in, Diecast Construction, Nickel Plated Finish, Keyed Different, (single pack)

PRIME-LINE
MP4542S
4.0 x 4.0 x 1.0 Inches
0.23 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Used to replace damaged or missing mailbox locks of like size
1-3/8 in
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Top 17

Hudson Lock PTR-DC656UN-0000 Universal Mailbox Lock with Dust Cover, Keyed Different (Pack of 12)

Hudson Lock, LLC
PTR-DC656UN-0000

Ratings for Hudson Lock, LLC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Universal Mailbox Lock with Dust Cover (CW)
Keyed Different
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Top 18

Prime-Line MP4543S Mailbox Lock, 1-3/8 in, Diecast Construction, Nickel Plated Finish, Keyed Alike, (single pack)

PRIME-LINE
MP4543S
3.0 x 4.0 x 1.0 Inches
0.23 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Used to replace damaged or missing mailbox locks of like size
1-3/8 in
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Top 19

Prime-Line MP4946 Mail Box Lock, 5-Cam, 5/8 inch Clip, Counter-Clockwise, (single pack)

PRIME-LINE
MP4946
5.125 x 4.0 x 1.0 Inches

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Used to replace damaged or missing mailbox locks by Cutler Federal
This mailbox lock mounts with a spring steel locking clip, included with item
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Top 20

Prime-Line MP4571 NA14 Keyway, Mail Box Lock, Counter-Clockwise Rotation, (single pack)

PRIME-LINE
MP4571
4.0 x 4.0 x 0.5 Inches

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Diecast construction
Nickel plated face
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Top 21

First Watch Security 1319 Mailbox Lock Polished Brass Finish

First Watch Security
1319
0.8 x 3.85 x 5.71 Inches
0.1 Pounds

Ratings for First Watch Security (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Easy to install
New or for replacement application
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Top 22

Defender Security S 4648 Mail Box Lock, 3 Cams, 5 Pin, Brass Plated, (single pack)

PRIME-LINE
S 4648
1.25 x 3.81 x 4.88 Inches
0.22 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
MaxWarehouse 194

Features

Designed as a mailbox lock
Fits Auth-Electric mad Bommer locks
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Top 23

Prime-Line MP4945 Mail Box Lock, 5-Cam, 5-Pin, 13/16 inch Threaded, Counter-Clockwise, (single pack)

PRIME-LINE
MP4945
4.5 x 4.0 x 1.125 Inches

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Diecast construction
Nickel plated face
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Top 24

Prime-Line MP4140 Mailbox Lock, Nickel

PRIME-LINE
MP4140
3.0 x 4.0 x 1.125 Inches
0.181 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Used on 11/32 in. Truth Hardware spindles only
Non-handed for left or right handed operators
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Top 25

SALSBURY INDUSTRIES 3590-5 Lock for Vertical Mailbox Door 2 Keys PER Lock-5 Pack

Salsbury Industries

Ratings for Salsbury Industries (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Salsbury Industries Inc -

Features

3590 Replacement lock
Top 26

Mail Boss 7576 Combination Lock for Mail Boss Mailboxes, Two Keys, Fits Mail Manager and Package Master, Black

Mail Boss
7576
1.1 x 1.34 x 3.05 Inches
1.0 Pounds

Ratings for Mail Boss (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Epoch Design LLC -

Features

4-digit combination code lock with customizable entry pin and backup manual override keys, up to 10,000 possible combinations
Dual access – keys and combination
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Top 27

Prime-Line MP4710 Mail Box Lock with Dust Cover, fits Augh-Florence, (single pack) , Zinc

PRIME-LINE
MP4710
3.5 x 4.0 x 1.0 Inches

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Used on Auth-Florence vital 1570 Series exterior cluster mailboxes
5-Pin tumbler
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Top 28

Hudson Lock PTR-656UN-0000 Universal Mailbox Lock, Keyed Different (Pack of 12)

Hudson Lock, LLC
PTR-656UN-0000
2.91 Pounds

Ratings for Hudson Lock, LLC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
EasyKeys Inc. 6,466

Features

Iten Package Weight:1.315 Kilograms
Product Type:Lock
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Top 29

Smathou Locking Mailbox with Key Lock, Lock Mailbox Wall Mounted, Large Capacity Drop Box for Outdoor, 918 Black Matt

Smathou

Ratings for Smathou (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Smathou-US -

Features

Dimension: exterior size: 13.6 x 4.1 x 13 inch; inside size: 13.3 x 3.4 x 8.5 inch
Mailbox is made of sturdy steel metal with cover that prevents heavy rain and deliberate theft
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Top 30

SALSBURY INDUSTRIES 2290-5 Lock for Aluminum Mailbox Door 2 Keys PER Lock-5 Pack

Salsbury Industries

Ratings for Salsbury Industries (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Salsbury Industries Inc -

Top 10 Mailbox Locks - Verified to Buy (New July 2022)

Top 9 Mailbox Locks Brands on Amazon

Here is the list of top rated brands that evaluated by CherryPicks.

  • PRIME-LINE
  • COMPX NATIONAL
  • Compx Security
  • CCL Security Products
  • Mail Boss
  • Hudson Lock, LLC
  • First Watch Security
  • Salsbury Industries
  • Smathou

Top 9 Mailbox Locks Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 ProShop Deals 3,870 4.8
🥈 SDR Supply 3,239 4.9
🥉 EasyKeys Inc. 743 4.7
4 Amazon.com 386 4.7
5 Salsbury Industries Inc 134 4.2
6 Cozy Shopping 4U 96 3.6
7 Security Hardware Discounters 58 4.9
8 Epoch Design LLC 7 4.0
9 Smathou-US 7 5.0
View or download top Mailbox Locks seller & rating report
ProShop Deals [3870] SDR Supply [3239] EasyKeys Inc. [743] Amazon.com [386] Salsbury Industries Inc [134] Cozy Shopping 4U [96] Security Hardware Discounters [58] Epoch Design LLC [7] Smathou-US [7] ProShop Deals 45% SDR Supply 38% EasyKeys Inc. 9% Amazon.com 5% Salsbury Industries Inc 2% Cozy Shopping 4U 1% Security Hardware Discounters 1% Epoch Design LLC 0% Smathou-US 0%

Why Should You Trust Us?

Now hundreds and thousands of Hardware supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Mailbox Locks to buy in 2022?

CherryPicks’s Methodology for Evaluating Mailbox Locks

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Hardware items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 273 of Mailbox Locks products based on our selection criteria. It helped us shortlist the top qualified and rated Mailbox Locks for Hardware, We found that most customers choose Mailbox Locks with an average price of $27.19, and the top brands are PRIME-LINE, Mail Boss, Salsbury Industries, CCL Security Products, First Watch Security, COMPX NATIONAL, Hudson Lock, LLC, Compx Security And Smathou. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Mailbox Locks for you, We have researched hundreds of sellers and picked the top sellers for Hardware, including ProShop Deals, SDR Supply, EasyKeys Inc., Amazon.com, Salsbury Industries Inc, Cozy Shopping 4U, Security Hardware Discounters, Epoch Design LLC, Smathou-US And AJTM. The Prime-Line S 4140 Mailbox Lock – Replacement, M... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 3,103 consumers with an average rating of 4.4.

We've helped a lot of satisfied users get the right Tools & Home Improvement product based on their needs, and save lots of time for them to pick Mailbox Locks to buy.


Written By Jack C. Haman

Looking for a great home and kitchen product reviewer? Jack is here to make sure you only buy the best home items for your budget. He is good at product testing, pushing them beyond their limits to discover what isn't obvious from just using products casually.