The Best Locking Mailbox is a product that can be used for many different purposes, but the most common use of it is to protect your mail from being stolen or read by others. The lockable mailbox comes with a set of keys that are not duplicated. The design of this mailbox also includes two separate locks so no one can easily open both simultaneously.
As a homeowner, you are probably very conscious of the security in your home. You lock doors and windows to keep out intruders. You install alarms on windows and doors, so they sound when someone tries to break them open. And if you have an alarm system, you may use it for extra protection during times that the house is empty or at night while everyone is sleeping inside.
But what about the mailbox? It turns out that some mailboxes are better than others because some can be easily opened by thieves looking for an easy way into your home! That’s why we recommend these particular locking mailboxes as one of our top picks on our blog post today.
- Best for Overall: Mail Boss 7207 Package Master Curbside Locking Security Mailbox
- Best for Post Mounted: Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox
- Best for Modern: Mail Boss 7536 Street Safe Latitude Security Locking Double Door Mailbox
- Best for Vintage: Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox
- Best for Budget: Architectural Mailboxes Oasis Classic Large High Security Parcel Mailbox
- Never Worry About Package Or Mail Theft Again!
- Patented security-drop door and Anti-Pry Dual Hook Posi-Locked storage compartment prevent access to deposited contents
- Constructed from heavy-duty 16 gauge galvanized steel with durable powder coated finishes
- Constructed from heavy gauge galvanized steel for durability with a heavy gauge door and lock reinforcement
- Anti-pry three-point lock engagement mechanism for extra high security
- Doors fitted with weather-tite rubber seals and has stainless steel hinges and hardware
- Mailbox body made of galvanized steel with Cast Aluminum Front and Rear Retreival with Incoming Mail Door
- Decorative Classic Design on front and Rear features Silver highlights
- Large-capacity interior can hold up to two weeks of Mail
- Cast aluminum powder coated will not rust and is scratch resistant
- Locking insert is made of galvanized steel and features a tough Black powder coat finish keeping mail secure from unwanted hands
- Incoming mail slot opening: 6 3/8 Width and 1” height. Locking door opening: H 5”x w 6 3/8”
- Large capacity security wall mount locking mailbox made of 14- and 16-gauge electrogalvanized steel for strength and durability
- Patented anti-pry latch locking mechanism and 12-wafer disc lock to prevent leveraged entry
- Includes innovative mounting bracket for quick and easy installation on most any surface
- Mailbox body made of galvanized steel with Cast Aluminum Front Retreival and Incoming Doors
- Decorative Classic Design on front features Gold highlights
- Large-capacity interior can hold up to two weeks of Mail
- Cast aluminum powder coated will not rust and is scratch resistant
- Locking insert is made of galvanized steel and features a tough Black powder coat finish keeping mail secure from unwanted hands
- Incoming mail slot opening: 6 3/8 Width and 1” height. Locking door opening: H 5”x w 6 3/8”
- Cast Aluminum Faceplate
- Tough powder coat finish
- Strong composite masonry box
- 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
- Mailbox body made of galvanized steel with Cast Aluminum Front Retreival and Incoming Doors
- Decorative Old English Design on front features Gold highlights
- Large-capacity interior can hold up to two weeks of Mail
Best Locking Mailbox Reviews 2023
Mail Boss 7207 Package Master Curbside Locking Security Mailbox
- Your purchase includes One Mail Boss Package Master Curbside Locking Security Mailbox in White + Installation hardware | Mount post not included
- Mail Box dimensions – 21.5" D x 12" W x 16.5" H | Weight – 53 lbs. | Packages – 10.5” L x 3.5” – 4.5” W x 3.5” – 4.5” H | Refer to product pictures for more dimensions
- Stainless steel hinges and powder-coated finish for optimum weather resistance
This 7-gallon locking mailbox from Mail Boss is the perfect solution for those with a large quantity of mail or parcels they need to receive. The package master can hold up to 30 lbs! It features a highly durable, easy slideout plastic tray and the unique feature of a keyless system for releasing the lid.
After reading all the reviews from customers who have this mailbox in their home, they all said that they love everything about it – including how nice and safe the neighborhood becomes because there are no packages being left out to get stolen or wet from the rain.
The Mail Boss 7207 Security Mailbox is the perfect package master curbside mailbox for your peace of mind and is easy to install! The lockable steel door provides security while still giving you quick access to your mail. It will definitely make sure that employees and other visitors don’t go through our personal correspondence.
And, because it’s oversized, we can get all of our bills in without having to worry about them getting crumpled or crushed by accident. All these features combine into a box that we’re glad we purchased and would recommend for anyone who wants their everyday life at work or home more organized than ever before!
Pros
- Sturdy and durable
- High security
- Weather-resistant finish
- Easy to use and install
Cons
- A bit pricey
Mail Boss 7536 Street Safe Latitude Security Locking Double Door Mailbox
- FRONT AND REAR LOCKING access doors for safe retrieval of mail and parcels away from street traffic
- INNOVATIVE baffle door accepts mail bundles and small packages allowing for true security to prevent phishing
- PATENTED anti-pry latch locking mechanism featuring a chrome-alloy tempered steel hook cam
Mail Boss is a leader in the metal security mailbox industry, and their latest innovation goes beyond just keeping mail safe and secure. The two locking doors on the Mail Boss 7536 Street Safe Latitude Security Locking Double Door Mailbox provide an extra level of protection to sensitive information that needs to be kept away from prying eyes.
This heavy-duty product features angular side walls, dual deadbolts with keys, wood door trim for strength and beauty, powder-coated black finish with welded joints sheltering your mail inside durable galvanized steel liner plates.
Mail Boss Mailboxes has created the perfect inbox experience with their Latitude Security Locking Double Door Mailbox. This mailbox is made from durable aluminum and powder-coated in a variety of colorful finishes, such as green, black, blue, white, and more. The front door opens like an accordion to make bundling large packages easy.
This best locking mailbox also has adjustable dividers for maximum storage efficiency and two keys that can be coded to different locks for added security. For security and usability at its locking mailbox, others cannot be beaten.
Pros
- Affordable price
- Heavy-duty build
- Large compartment
- Rear-opening and dual front-opening doors
Cons
- Outgoing mail can be vulnerable to theft
Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox
- Postmaster General approved and patented design allows delivery of mail bundles and small parcels - perfect for Internet and catalog shoppers
- Body constructed of heavy 16 and 18 gauge galvanized steel fully powder coated prior to assembly for durability and long life
- Doors include rubber seals to keep deliveries clean and dry - all hardware made from stainless steel and other corrosion resistant materials
The Architectural Mailboxes 6200B-10 Mailbox is a traditional and sturdy mailbox that won’t blow away in high winds. It has a classic design and is made of cast aluminum with a powder coat finish. This mailbox measures 33 inches high by 17 1/2 inches wide by 8 3/4 deep.
The locking post mount comes with hardware for mounting to wood, brick, or concrete posts on the ground level up to 4 feet tall and 25-inch diameter- it does not come pre-drilled, so you can pick your own height and depth!
This steel poly powder-coated address plaque and locking mailbox is an elegant addition to your home. It also provides address visibility as well as secure package delivery. This steel post mount box has a weather-resistant finish that will stand up to the elements for years.
The architectural design of this attractive, top-quality parcel mailbox lets you show off your taste and style while protecting packages from thieves and vandals with its deadbolt lock and anti-pry cover reinforcement ribbing on the lid.
Designed for easy installation by one person, this item has an adjustable bracket so it can accommodate either rammed or poured concrete posts without drilling into lots or disrupting lawns or flower beds during installation. And best of all, no kit parts are needed because everything you need is included in this product.
The freestanding version is great for added security since thieves cannot easily steal it without moving the parcel bearing door out of alignment. It doubles as a letterbox, package drop-off, and has to lock front doors for general storage in your home.
Pros
- Spacious opening for packages
- Powder-coated finish
- Affordable price
- Large storage compartment
Cons
- Thieves may find this high-volume mailbox more tempting
Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox
- USPS Approved full-service residential locking security mailbox prevents mail-identity theft; Stainless steel hinges for ease of use
- QUALITY: 14- and 16-gauge galvanized welded steel construction defends against vandalism. Mailbox Style: T1
- SECURITY: Innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing. Does not include or require Mounting Plate
The Mail Boss 7506 curbside locking mailbox is perfect for small- to medium-sized business sentries of high foot traffic areas. Customers will not be able to see your company’s mailbox, use it without an access code (assignable by the owner), or get into it with brute force.
The Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox is Cast Aluminum. It measures 11.81″ x 13.18″ x 18″. This mailbox comes with a hanging-style door, so it can be installed either inside or outside the house.
The mailbox has six compartments for standard letter size mail, two double-walled black metal doors to keep packages and other items out of sight while they are being delivered, and an engineered bottom for strength against impact by heavy objects that might get dropped on top of it or fall through the slot unprotected on their way down your driveway.
The Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox is perfect for people who live in an area where break-ins are common. The mailbox includes tampering and theft prevention features such as a locked door with two locks (one on each side) and tamper-resistant screws.
The LED lights allow you to see your mail clearly through the accordion-style security window, which hinges open 90 degrees for easy access to letters or small parcels. A rubber anchor kit will keep it securely situated against your home without damaging the exterior surface, allowing this product to blend into any residential setting beautifully.
Pros
- High security
- Durable build
- Come with 3 keys
- Accept small packages and mail
Cons
- Theft of outgoing mail is a serious problem
Architectural Mailboxes Oasis Classic Large High Security Parcel Mailbox
- Postmaster General approved and patented design allows delivery of mail bundles and small parcels - perfect for Internet and catalog shoppers
- Body constructed of heavy 16 and 18 gauge galvanized steel fully powder coated prior to assembly for durability and long life
- Doors include rubber seals to keep deliveries clean and dry - all hardware made from stainless steel and other corrosion resistant materials
The Architectural Mailboxes Oasis series has the widest variety of styles and colors currently on offer. This classic, large parcel mailer provides extra security with its rigid top panel for packages up to 20 pounds in weight or tall enough that cannot be seen over the roof flap bar. The post-mounted design gives max protection from pilferage by making it all but inaccessible to pedestrians passing by at their normal pace.
Build long-term customer relationships with this durable parcel mailbox from Architectural Mailboxes. The Oasis Classic Large High Security Parcel Mailbox makes it easy to sort your mail, come rain or shine since it is sealed and the door opens from the inside.
It can work well for restaurants that have a high volume of intake and delivery orders: its locking mechanism protects against trespassing and theft. It eliminates threats by keeping intruders out: two secure locks inside the package holder make sure only authorized persons can access your private parcels.
It reinforces truck bed security: covers up holes in truck beds so you can be confident that no unwanted cargo will sneak into your vehicle’s trailer bay. A built-in flag lets you know when something has been delivered: this product comes with a “do not disturb” flag and mounting hardware, so you can keep track of your mail and packages.
The Oasis Classic Large High Security Parcel Mailbox from Architectural Mailboxes is the best locking mailbox that comes with a rust proof top for durability. It is available in two stylish colors, colonial red and classic green, both of which will look great under any weather conditions.
Pros
- Friendly-budget
- High security
- Weather-resistant rubber seal
- Durable and sturdy
Cons
- Drilling susceptibility
Mail Boss 7412 High Security Steel Locking Wall Mounted Mailbox
- Security wall mounted mailbox for convenient drop box applications including night drops, key drops, payment drops, interoffice mail and more
- Patented anti-pry latch locking mechanism featuring a chrome-alloy tempered steel hook cam, commercial grade 12-disc wafer lock and (3) laser cut keys
- Features heavy duty 16-gauge galvanized steel construction with a powder-coated finish and an innovative bin door design to prevent fishing
This locking mailbox is perfect for those who dislike all those pesky advertisements they get in their mailbox daily; now, they can finally clear them out for good!
It has a vertical mounting option next to the door, so there is no wasted space, and it installs quickly and easily and includes installation hardware and step-by-step instructions with illustrations on how to mount it securely right where you want it without any trouble.
The Mail Boss 7412 High Security Steel Locking Wall Mounted Mailbox is made of heavy-duty 16 gauge steel construction with powder coat finish for superior durability and corrosion resistance. The letter carrier can access your mail without being exposed since the door locks when closed.
With its quick-release lock, you’ll never need to worry about keys getting lost or stolen as you can change them any time that suits your needs. This item also features a large incoming mail compartment that holds newspapers and magazines as well as a large outgoing mail compartment with a 5 ¼” x 7” slot that fits your typical envelopes, which is located on top of the mailbox.
The Mail Boss 7412 High Security Steel Locking Wall Mounted Mailbox is a great solution to home security and mail protection. It comes with two high-security screws to avoid thefts and break-ins. It features a chrome-plated finish, and it also has two keys for easy locking and unlocking.
It can easily be mounted to a brick or cinder block wall, and it is equipped with a steel locking door. The bottom of the mailbox opens for easy retrieval of all your letters, packages, etc. This high-security mailbox has been tested to break into by crowbars, saws or hammers without success! It is also unaffected by car sprays, so you never have to worry about somebody running up and spraying paint on it.
The spacious mailbox compartment can store plenty of items from your large family envelopes, magazines from your international subscriptions as well as announcements from friends and relatives! The best part about this mail manager is that you get a lifetime warranty from the manufacturer.
Pros
- Come with 3 laser-cut keys
- Powder-coated finish
- Various colorways
- Affordable price
Cons
- Vulnerable to drilling, picking, and prying
Gibraltar Mailboxes DVKPBZ00 Designer Locking Mailbox
- Medium capacity is able to hold days worth of mail at a time
- Crafted with quality galvanized steel for strength and durability
- Powder-coated in an elegant venetian bronze finish to withstand outdoor elements
The Gibraltar Mailboxes DVKPBZ00 Designer Locking Mailbox is a powerful way to add security to your home. The mailbox features a dielectric locked steel door and includes a 10-year warranty from the manufacturer against rust or corrosion, as well as against lock tampering when opening the box.
It also includes an overall stand height of 18 inches, protects from weather extremes when standing at 24 inches in winter and 36 inches summer, and can be mounted on three axes: pitch (can be installed high enough so it doesn’t get blown over), yaw (the ability to swing left or right) and roll (adjustable for sun).
This Gibraltar Mailboxes DVKPBZ00 Designer Locking mailbox protects any unwanted intruder from meddling with your bulk-mail deliveries, while the hinged door saves you time. The integrated locking hasp can contain contents of varying sizes and makes it safe for people in wheelchairs and children to access the mailbox.
This design also blends in nicely: choose from black or silver finish options to complement your home style, and enjoy complimentary installation service when you buy the mailbox today!
Pros
- Durable and sturdy
- Affordable price
- Attractive look
- High security
Cons
- Vulnerable to prying, picking, and drilling
Tooluck Wall Mount Mailbox
- 💌Large Capacity: The wall mount mailbox has plenty of room for all of your mail, including large oversized envelopes, letters, magazines, and even small parcels.
- 💌Durable and Rust-Proof: The rust-proof metal wall mailbox crafted with quality galvanized steel for strength and durability.
- 💌Lockable and Secure: The secure locked mailbox with 2 keys to ensure that the letter is not lost.
Tooluck is an outdoor mailbox that mounts directly to your home exterior with screws or adhesive. It’s easy to install and comes pre-assembled, so it takes just minutes to get up and to run. You can also paint Tooluck any color you want by using the wet canvas technique, which makes it stand out on your property because not everyone can achieve this textured look. I love how conveniently designed this mailbox is!
It has got to be the weatherproof front door flap made from plastic material with a velcro closure for quick access without slowing down mailmen or automatic letter carriers. The interior container was made from durable Styrofoam Styrene, which actually expands when exposed to extreme temperatures in order to maintain security even in harsh weather.
If you’re into this mailbox, you cannot miss the Tooluck Mailbox, which makes it simple to spot if someone has stopped by and dropped off a package or mail. Just attach it onto the top of your mailbox flag post and make sure it’s visible from a distance – even at night! If you purchase Tooluck, you will also receive an extra-long flag pole for free.
Pros
- Affordable
- Vintage look
- Various colorways
- Waterproof and rust-resistant
Cons
- Not suit larger packages and parcels
Gibrailtar THVKB001 Black Townhouse Wall Mount Mailbox
- Made from rust-resistant galvanized steel for a long service life
- Hidden locking compartment keeps mail secure and comes with two keys for family access
- Black powder-coated finish adds protection and enhances appearance
This attractive black townhouse mailbox is a charming addition to your home. Mounting hardware and screws are included so you can quickly install this mailbox onto any wall of your choice, making it the perfect option for those who live in rental properties or have been looking to remodel their homes.
Made from high-grade aluminum and water-resistant powder-coated paint, so this well-designed mailbox resists rust and corrosion, even when exposed to harsh weather conditions. Other popular uses include front porch post-placement or building an elevated row for mail drops in commercial parking lots.
The window on the top is very convenient because it lets light in and helps reduce condensation so your mail won’t get wet or moldy. And lastly, the letterbox door with lock seals shut tightly, which prevents intruders from getting inside your mailbox, which is great for couples, families, single people, seniors, etc., pretty much everyone.
Pros
- Highly weather-resistant
- Inconspicuous
- Friendly-budget
- High security
Cons
- Assembly required
Locking Mailbox Wall Mounted Vertical Mailboxes
- LARGE CAPACITY: Jssmst mail box can hold magazine and large envelopes, it is able to hold days worth of mail at a time
- EXTERIOR DIMENTIONS: 12.6 x 8.46 x 3.35 Inch; INSIDE STORAGE AREA MEASURES: 12.4 x 8.3 x 3.05 Inch
- SECURITY WITH KEY LOCK: Jssmst mailbox combination lock for security against theft
Locking Mailbox Wall Mounted Vertical Mailboxes provide easy access to your mail while not occupying floor or counter space. With this vertical mailbox, you can save money by stuffing the mail slot instead of continuously buying expensive shipping labels; plus labeling is easier since it’s on the outside.
These wall-mounted mailboxes are perfect if you rent a residence because they require no installation. Plus, security features like a key lock and decorative front panel make sure that only authorized persons get into the mailbox without damaging their household property (the family pet doesn’t count).
Pros
- Friendly-budget
- High security
- Durable and sturdy
Cons
- Over time, it is prone to corrosion
Benefits of Best Locking Mailbox

The benefits of using a locking mailbox are plenty. The lock keeps your personal information safe from any external damage and from being stolen. Also, it protects your items from being stolen. So if you are looking for a better security option, it is advised to go with the best locking mailbox.
A locking mailbox is a type of lock for letterboxes. It is different from the traditional one as it locks the box with two keys, one of which is given to the postal service, who need to access it on delivery. Either key can open the letterbox, but it cannot be opened without the second key.
The locking mailbox has been gaining popularity as it is helpful in protecting the mail. Some mails are very sensitive, and some are personal, which can be stolen or lost if not delivered properly even though they are sent to the right person. The locking box solves this problem by preventing access until both keys are available.
If you have a locking mailbox, you can be sure that any potential thief will not steal your mail. Your security is one hundred percent guaranteed! Criminals are always trying to find creative ways to steal mail from houses so they can use your credit cards or social security number, but if you have a locking mailbox, this problem is solved.
If you don’t know how to install a locking mailbox, don’t worry, here is the video that can help you:
Factors To Consider Before Buying Best Locking Mailbox
The best locking mailbox is an excellent investment for anyone that has mail delivered to their house. It can be hard to find the perfect one, but it’s worth the effort because you are protecting your family and home from intruders who could steal your mail or vandalize your property.
It would help if you considered some factors when choosing your mailbox that fits into your lifestyle and budget. There are many types of mailboxes on the market today, so we hope this article helps narrow down which locking mailbox is best for you!
Dimensions
The first thing to keep in mind when shopping for a new metal locking mailbox is its dimensions. Make sure the size will fit where you want to place it and that there is enough room for outgoing mail inside.
Color

You may not think this matters, but the color does matter because if the color doesn’t match your house, people might think something’s wrong or someone broke into your home.
Price
Keyless locks are less expensive but require batteries that must be replaced periodically – often at considerable expense. It is crucial to think about how much you need your mail delivered securely versus other features like dimensions or decorating needs. If security is not an issue, then there may be better options available in terms of design and price point.
Generally speaking, manufacturers offer different types of locks for their products, so consumers have choices in what they want to purchase based on the level of protection they are looking for. There is usually a distinction between locks that use keys and those that are keyless in terms of cost.
Size
The size of the mailbox is an essential factor when choosing a lock. A large, heavy mailbox will require more secure hardware to ensure it is protected from theft or vandalism.
Some people want the increased security that comes with a lock, while others like the option not to use one. Most manufacturers offer several different types of locking capabilities so consumers can find something that is right for them. You need to ensure it will be able to fit in the location where you plan on installing it. The size of the box is something to consider when you are looking for a locking mailbox.
FAQs about Best Locking Mailbox

Is the locking mailbox easy to install?
Yes, it is. All you have to do is insert the mounting tabs into the holes in the side of your house and tighten them until they are snug. Mounting hardware included.
The locking mailbox comes with all necessary installation parts for virtually any home, including screws, anchors, and assembly instructions to make everything easy for anyone who wants a secure way to receive mail without sacrificing curb appeal or requiring you to drill into your home itself.
What size locking mailbox do you need?
No one size fits all. If you solely want to use your mailbox for outgoing mail, or if you’re the only person on the property who needs access to incoming mail, then there are smaller sizes of lockable metal boxes that could work. Some auto-locking postal boxes also provide a range of variations between incoming and outgoing mail capability.
What kind of locking mailboxes are there?

There are two types of locking mailboxes available, which include: Compression Type and Key Entry Type. The compression type requires you to squeeze and push, as well as pull back on the metal tabs at the top of the box to unlock its door.
Whereas, the key entry locks allow someone with a mailbox key to press down on an oversized button at the front of the unit called a “turn-style” and release it like using a doorknob, and then turn another knob (i.e., ‘a knoblock’) that releases one end of a large latch that secures both sides of the rear access door into two vertical pigeon holes for storing mail or packages. Pressing in again on this handle retracts the locks.
Conclusion
The Best Locking Mailbox is a great, high quality mailbox that will protect your mail from being stolen or vandalized. This sturdy box features a lock and key for securing your letters or packages to the inside of the mailbox with enough room for two standard size envelopes on either side of it.
So you may be looking for a locking mailbox that will keep your mail and packages safe from thieves, but not all of them are built to last. That’s why we recommend the Best Locking Mailbox. It is constructed with high-quality materials, and it includes an anti-pry door frame design, so you never have to worry about break-ins again!
They also come in various colors and sizes if you want something more personalized or specific. We know how important security can be when purchasing items online, which is why we don’t hesitate to include this product on our list!