Best Mailbox Locks (April 2024) - 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 Mailbox Lock, 5 Cam, Nickel Finish, National Keyway, Counte...

9.7
CPR Score
Top 3

Defender Security S 4531 1-1/16 In. Diameter, Mailbox Lock, Diecast Construct...

9.6
CPR Score
Tips


Our team has analyzed 273 products of different Hardware brands, including PRIME-LINE, Defender Security, 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 reviews 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

Market Overview
Mailbox Locks Reviewed
  • Reviews Analyzed: 10,566 Items
  • CPR Avg. Rating: 8.5 / 10
30 Products Evaluated
  • Highest Price: $160.50
  • Lowest Price: $4.48
  • Avg. Price: $36.39
Price Disclaimer

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

Top 1

Prime-Line S 4140 Mailbox Lock – Replacement, Multipurpose Mailbox Lock for Several Brands – ILCO 1003M Keyway, Opens Counter-Clockwise with 90º Rotation, Nickel Finish (1 Set)

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 – This multipurpose Prime-Line 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 2

Prime-Line S 4573 Mailbox Lock, 5 Cam, Nickel Finish, National Keyway, Counter-Clockwise Turn (Single Pack)

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 MAILBOX LOCK – Secure your mail with the mailbox lock and key; designed for use with mailboxes manufactured by American, Florence, Miami-Carey, Bommer, and Auth
INCLUDES – Mailbox lock set comes complete with a 5-pin mailbox replacement lock, nine cams, and two keys; these multi-cam assortments eliminate the need for individual locks
Show More
Top 3

Defender Security S 4531 1-1/16 In. Diameter, Mailbox Lock, Diecast Construction, Nickel Plated Finish, 9 Cams, Locks Counter Clockwise Rotation (Single Pack)

Defender Security
S 4531
1.25 x 3.75 x 4.875 Inches
0.02 Pounds

Ratings for Defender Security (CPR Score)

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

Features

REPLACEMENT MAILBOX LOCK – Secure your mail with the mailbox lock and key; designed for use with mailboxes manufactured by American, Florence, Miami-Carey, Bommer, and Auth
INCLUDES – Mailbox lock set comes complete with a 5-pin mailbox replacement lock, nine cams, and two keys; these multi-cam assortments eliminate the need for individual locks
Show More
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 2,217
SDR Supply 1,014
Mr. Lock, Inc. -
AJTM -

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
0.18 Pounds
  • Unknown: English

Ratings for Compx Security (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Security Hardware Discounters -
Cozy Shopping 4U 8,489
EasyKeys Inc. 7,649
AJTM -

Features

Stainless steel plug
12 degree taper on cylinder head
Show More
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 with a nickel plated finish
Spring clip installation to keep lock in place
Show More
Top 7

Prime-Line MP4532 9-Cam, H1 Keyway, Mail Box Lock, Counter Clockwise Rotation, Chrome (Single Pack)

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
Show More
Top 8

Prime-Line MP4048 Mail Box Lock, 1/4 In. 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
Show More
Top 9

Compx National Mailbox Lock 4C Style Counter Clockwise

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

Ratings for Compx Security (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Security Hardware Discounters -
EasyKeys Inc. 7,649
Security Supply Direct -
AJTM -
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
Show More
Top 11

Defender Security S 4125 5-Pin Tumbler Diecast Nickel-Plated Mailbox Lock, Bommer (Single Pack)

PRIME-LINE
MP11413
0.5 x 0.625 x 0.625 Inches
0.13 Pounds

Ratings for PRIME-LINE (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Team FTO Store -

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
Show More
Top 12

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

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
Show More
Top 13

Defender Security S 4315 5-Pin Tumbler Diecast Nickel-Plated Mailbox Lock, fits Florence (Single Pack)

Defender Security
9005032
0.5 x 0.625 x 0.625 Inches
0.1 Pounds

Ratings for Defender Security (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Junipers' 793
MaxWarehouse 354

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
Show More
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 (1 Set) Silver

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
Show More
Top 16

Prime-Line MP4542S Mailbox Lock, 1-3/8 In., Diecast Construction, Nickel Plated Finish (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
Show More
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 -
Mr. Lock, Inc. -

Features

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

Prime-Line MP4543S Mailbox Lock, 1-3/8 In., Diecast Construction, Nickel Plated Finish (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
Show More
Top 19

Prime-Line MP4946 Mailbox Lock, 1-9/16 In. Cam Reach, Diecast Construction, Nickel, 5/8 in. (Single Pack)

PRIME-LINE
MP4946
5.125 x 4.0 x 1.0 Inches
0.17 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 by Cutler Federal
This mailbox lock mounts with a spring steel locking clip, included with item
Show More
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
0.125 Pounds

Ratings for PRIME-LINE (CPR Score)

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

Features

Diecast construction
Nickel plated face
Show More
Top 21

First Watch Security 1319 Mailbox Lock Polished Brass Finish, 1 Count (Pack of 1)

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
Show More
Top 22

Defender Security S 4648 Brass Mailbox Lock with 3 Cams, Clockwise Open (Single Pack)

Defender Security
L 5754
1.0 x 0.875 x 0.875 Inches
0.2 Pounds

Ratings for Defender Security (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
MaxWarehouse 354

Features

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

Prime-Line MP4945 Mail Box Lock, 5-Cam, 5-Pin, 13/16 In. Threaded, Counter-Clockwise, Nickel (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
Show More
Top 24

Prime-Line MP4140 Mailbox Lock, 5 Cam, Nickel Finish, Counter-Clockwise, 90 Degree (Single Pack)

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 inch Truth Hardware spindles only
Non-handed for left or right handed operators
Show More
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
KART IT 509
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
Show More
Top 27

Prime-Line MP4710 Mail Box Lock with Dust Cover, fits Auth-Florence (Single Pack)

PRIME-LINE
MP4710
3.5 x 4.0 x 1.0 Inches
0.142 Pounds

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
Show More
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. 7,649

Features

Iten Package Weight:1.315 Kilograms
Product Type:Lock
Show More
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
Show More
Top 30

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

Salsbury Industries
3.0 x 5.5 x 2.5 Inches

Ratings for Salsbury Industries (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
KART IT 509
Salsbury Industries Inc -

Top 10 Mailbox Locks - Verified to Buy (Apr. 2024)

Top 10 Mailbox Locks Brands on Amazon

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

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

Top 10 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
🥇 KART IT 4,890 4.4
🥈 Junipers' 3,689 4.8
🥉 SDR Supply 3,129 4.9
4 ProShop Deals 1,903 4.8
5 EasyKeys Inc. 744 4.7
6 Cozy Shopping 4U 679 3.7
7 Amazon.com 385 4.7
8 Team FTO Store 319 4.5
9 Salsbury Industries Inc 139 4.2
10 Security Hardware Discounters 109 4.9
View or download top Mailbox Locks seller & rating report
KART IT [4890] Junipers' [3689] SDR Supply [3129] ProShop Deals [1903] EasyKeys Inc. [744] Cozy Shopping 4U [679] Amazon.com [385] Team FTO Store [319] Salsbury Industries Inc [139] Security Hardware Discounters [109] KART IT 31% Junipers' 23% SDR Supply 20% ProShop Deals 12% EasyKeys Inc. 5% Cozy Shopping 4U 4% Amazon.com 2% Team FTO Store 2% Salsbury Industries Inc 1% Security Hardware Discounters 1%

[Get] Mailbox Locks Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.

When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Mailbox Locks Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


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 for new April 2024?

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 reviews 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 $36.39, and the top brands are PRIME-LINE, Defender Security, 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 KART IT, Junipers', SDR Supply, ProShop Deals, EasyKeys Inc., Cozy Shopping 4U, Amazon.com, Team FTO Store, Salsbury Industries Inc, Security Hardware Discounters, Mr. Lock, Inc. 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 3,618 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.