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The 8 Best locking mailbox inserts of 2024

Are you trying to find locking mailbox inserts among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling locking mailbox inserts on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 11 hours of research and did 48 locking mailbox inserts tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best locking mailbox inserts you can buy today

No. 1
Qualarc LKIT Galvanized Steel Universal Locking Insert for E1 Economy Mailboxes 14.9"D x 5.8"W x 4.5"H
  • Turn your E1 economy mailbox into a locking mailbox with this insert
  • Larger mail, magazines and Outgoing mail can be placed on top of the locking insert
  • Incoming mail slot opening: 6-3/8 inch w x 1 inch H
  • Product Dimensions: 5.8 inch w x 4.5 inch H x 14.9 inch D
  • Comes with 2 keys and heavy duty lock
No. 2
Qualarc LMC-LKIT Lewiston Mailbox Locking Conversion Kit Black, 16"D x 6.5"W x 5"H
  • Convert your non-locking lewiston mailbox into a locking mailbox
  • The locking box secures inside of your lewiston mailbox
  • Incoming mail slot opening: 6 3/8 inch Width and 1” height. Locking door opening: H 5”x w 6 3/8 inch
  • Adds security to keep mail out of reach from unwanted hands
  • Comes with heavy duty lock and set of keys. Made of powder coated steel
No. 3
Qualarc E1-MLBX-LKIT-WHT Rust Proof Galvanized Mailbox with Locking Insert, Steel Latch and Red Aluminum Flag, White
  • Secure your mail with this locking mailbox made of galvanized steel that will not rust
  • Incoming mail slot opening: 6-3/8 inch w x 1 inch H
  • Larger mail, magazines and Outgoing mail can be placed on top of the locking insert
  • Locking door opening: 6-3/8"W x 5"H. Product Dimensions: 5.8"W x 4.5"H x 14.9"D
  • Tough powder coated finish will not scratch
No. 4
Qualarc E1-MLBX-LKIT-GRN Rust Proof Galvanized Mailbox with Locking Insert, Steel Latch and Red Aluminum Flag, Green
  • Secure your mail with this locking mailbox made of galvanized steel that will not rust
  • Incoming mail slot opening: 6-3/8"W x 1"H
  • Larger mail, magazines and outgoing mail can be placed on top of the locking insert
  • Locking door opening: 6-3/8"W x 5"H. Product dimensions: 5.8"W x 4.5"H x 14.9"D
  • Tough powder coated finish will not scratch
No. 5
Qualarc E1-MLBX-LKIT-BLK Rust Proof Galvanized Mailbox with Locking Insert, Steel Latch and Red Aluminum Flag, Black
  • Secure your mail with this locking mailbox made of galvanized steel that will not rust
  • Incoming mail slot opening: 6-3/8 inch w x 1 inch H
  • Larger mail, magazines and Outgoing mail can be placed on top of the locking insert
  • Locking door opening: 6-3/8"W x 5"H. Product Dimensions: 5.8"W x 4.5"H x 14.9"D
  • Tough powder coated finish will not scratch
SaleNo. 6
Special Lite Products LB-998 Locking Insert for SCF-1003, SCC-1008, SCB-1005 and SCB-1015, Black
  • Fits Classic, Floral and Hummingbird curbside mailboxes
  • The bottom of the lock box is open
  • 18 in. L x 6.75 in. W x 4.75 in. H (4 lbs)
  • Maintenance free cast aluminum
  • Powder coated finish
No. 7
SereneLife Weatherproof Wall Mount Locking Mailbox - Galvanized Steel w/ Metal Flap for Mail Insertion, Home Decorative & Office Business Parcel Box Drop Secure Lock - SLMAB01, 8.3’’ x 10’’ x 2.7’’
1,854 Consomer Reviews
SereneLife Weatherproof Wall Mount Locking Mailbox - Galvanized Steel w/ Metal Flap for Mail Insertion, Home Decorative & Office Business Parcel Box Drop Secure Lock - SLMAB01, 8.3’’ x 10’’ x 2.7’’
  • CONVENIENT AND SECURE DROPBOX: This wall-mount mailbox duty holds various mailings, paperwork, newspapers, magazines, small parcels, packages, post office deliveries. It provides the perfect solution for convenient and secure, dropbox applications
  • WEATHERPROOF: Outdoor mountable mailboxes are made with high quality galvanized steel magnetic cover, black powder coated that locked mails from heavy rain and deliberate theft.
  • RESIDENTIAL OR OFFICE USE: Aesthetic posts, mounts vertical mailbox stylish look adds modern touch to exterior decor, front door house, commercial or business, classic rural and modern apartment. In terms of its locking security, mailbox has secure key lock with two reserved key locks that is not easy to duplicate.
  • DECORATIVE BIN DOOR SLOTS: Though drop box is lock, the slot can allow payments, parcels, outgoing mail and box packages to be inserted since it has an easy access metal flap like an old envelope mailbox. This is designed to prevent from fishing or stealing private property.
  • EASY INSTALLATION: It has pre-drilled holes and mounting screw for solid attachment in the front porch of home or office. This is a universal mount mailbox in any walls or flat wall surface.
SaleNo. 8
Qualarc MC-1400-BLK Manchester Plain Door Column Mount Non-Locking Mailbox, Black
  • Cast Aluminum Faceplate
  • Tough powder coat finish
  • Strong composite masonry box
  • Roomy interior holds numerous pieces of mail
  • Mounts into a column or masonry wall
No. 9
Qualarc MK-150-RO-BLK MailKeeper 150 Column Rose Locking Mailbox with Running Oak Design Front and Rear Retrieval Door, Black
  • Mailbox body made of galvanized steel with Cast Aluminum Front and Rear Retreival with Incoming Mail Door
  • Decorative Running Oak Design on front and Rear in a Black finish
  • Large-capacity interior can hold up to two weeks of Mail
  • Mailbox mounts into a column
  • Adds a decorative and elegant look
  • Capacity: 64 Cubic Inches
No. 10
DOITOOL Metal Mailbox for Outside Wall Mount, Wall Mount Locking Mailbox for Mail Insertion, Home Decorative and Office Business Parcel Box (Pink)
  • ✅【Convenient and Secure Dropbox】:This wall-mount mailbox duty holds various mailings, paperwork, newspapers, magazines, small parcels, packages, post office deliveries. It provides the perfect solution for convenient and secure, dropbox applications
  • ✅【Weatherproof】: Outdoor mountable mailboxes are made with Premium quality iron, locked mails from heavy rain and deliberate .
  • ✅【Residential Or Office Use】: Mounts vertical mailbox stylish look adds modern touch to exterior decor, front door house, commercial or business, classic rural and modern apartment. In terms of its locking security, mailbox has secure lock with two reserved locks that is not easy to .
  • ✅【Easy Installation】: It has pre-drilled holes and mounting screw for solid attachment in the front porch of home or office. This is a universal mount mailbox in any walls or flat wall surface.
  • ✅【What you get】: 1PCS Metal Mailbox for Outside Wall Mount, Wall Mount Locking Mailbox for Mail Insertion (Pink)

How to choose a good locking mailbox inserts

Does the idea of finding a fantastic locking mailbox inserts make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in locking mailbox inserts. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top locking mailbox inserts products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top locking mailbox inserts on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top locking mailbox inserts brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top locking mailbox inserts based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the locking mailbox inserts were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good locking mailbox inserts, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your locking mailbox inserts.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting locking mailbox inserts for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our locking mailbox inserts. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what locking mailbox inserts should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on locking mailbox inserts.