Tools & Home Improvement

45 Best heavy duty locking mailbox 2022 – After 160 hours of research and testing.

Written by Toni Morrison

Now that you are here, you must be looking for the best heavy duty locking mailbox! If you aren’t for it, you shall use our search and look for the topic you are interested in. As this piece is a lengthy one and covers a few more aspects other than the best list, they are the best heavy duty locking mailbox brands in United States of America and a buyer’s guide for making an informed buying decision.

Before we begin with the list, We ask you to make a list of things that you are looking for in a heavy duty locking mailbox. It could be anything which you’ll require when doing tasks. This will help you have some clarity about the important things and will help you save money by not overspending on the features you won’t use or a product that has more features!

You surely are here for being able to make an informed buying decision when it comes to heavy duty locking mailbox and you must be looking for the list, We know that! But before we begin, we’d like to tell you that, this is the most unbiased list ever, it has specs, lists down the features of the heavy duty locking mailbox, best brands and has a dedicated buyer’s guide for people in United States of America.

Full Disclosure: This article might have a few external links to Amazon and other informative sources. When you make a purchase on Amazon using our link, we’ll earn a small fee without you having to pay extra for the item. This helps us keep the site running and publishing more awesome content, add more research and never let people buy bad-quality products!

Best heavy duty locking mailbox in 2022

1. Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox, Black,Large -Tools & Home Improvement

By Mail Boss
  • ACCESSORIES: Includes concealed outgoing mail clip, 3 keys, and required installation hardware
  • USPS Approved full-service residential locking security mailbox prevents mail-identity theft; Stainless steel hinges for ease of use
  • Does not include or require Mounting Plate
  • QUALITY: 14- and 16-gauge galvanized welded steel construction defends against vandalism
  • SECURITY: Innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing
  • PATENTED: Includes patented Anti-Pry latch lock mechanism to prevent leveraged entry with a screwdriver & high security anti-drill, anti-pick 12-disc wafer lock

2. Mail Boss 7205 Package Master Curbside Locking Security Mailbox | Granite -Tools & Home Improvement

By Mail Boss
  • Stainless steel hinges and powder-coated finish for optimum weather resistance
  • Patented anti-pry latch locking mechanism in a 12- and 14-gauge electro-galvanized welded steel construction
  • Capable of being mounted within a brick column, post mounted individually or in a cluster with the use of a 2 box, 3 box , or 4 mailbox spreader bar
  • 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
  • Your purchase includes One Mail Boss Package Master Curbside Locking Security Mailbox in Granite + Installation hardware | Mount post not included

3. Polar Aurora Mailbox Cast Aluminum Black Mail Box Postal Box Security Heavy Duty New -Tools & Home Improvement

By Polar Aurora
  • Locking access door with 2 keys keeps mail safe, Features a historic design, locking door
  • Material: Cast aluminum and cast Iron
  • Elegance stylish retro appearance makes it a beautiful scenery décor for your garden or your home, it is also perfect for gift to your families or friends
  • Do Not Hesitate, Just Buy One!
  • Brand new and high quality color, classic and upscale made of aluminum and steel, durable and for long time using with lock for keeping your letter security simple assemble need and all the hardware include.
  • The easy assembly and installation will have your new stylish mailbox up in no time
  • Perfect size – 46″ Tall X 16.5″ W , Item Weight: 18.3 pounds ,Large tall and heavy duty
  • Color: Black
  • Please note: the mailbox has no red flag, only for receiving mails and can’t mail it out.

4. Durabox Heavy Duty Wall Mount Locking Deposit Drop Box Safe W300 (Gray) For Receiving Letters, Checks, Payment, Documents and More For Commercial, Home or Office Use -Post-Mount Mailboxes

By DuraBox
  • 4 pre-drilled mounting holes align with the door to facilitate the installation process
  • Piano hinge with reinforced double steel door protects against prying and a metal baffle inside the unit prevents against fishing
  • HEAVY DUTY – Durable wall-mount locking mailbox provides secure all-day depositing of valuable and private items such as cash, checks, letters, and payments.
  • Interior Dimensions: 13″ x 9-3/4″ x 3-3/4″ D
  • CAPACITY – Drop slot opening is 8-3/4″ Wide x ½” High
  • Exterior Dimensions: 10″ Wide x 4″ Deep x 16-1/4″ High
  • Tubular lock and keys are difficult to replicate and provide an added layer of protection
  • VERSATILE – Constructed out of heavy-duty 14-gauge powder coated steel, the large safety deposit box is perfect for everyday and commercial use.
  • EASY TO INSTALL – Wall mount locking mailbox includes installation hardware for both concrete and wood
  • SECURE DEPOSITS – Full steel construction

5. Mail Box Heavy Duty Mailbox Postal Box Security Cast Aluminum Vertical Pedestal -Post-Mount Mailboxes

By Polar Aurora
  • The easy assembly and installation will have your new stylish mailbox up in no time
  • Elegance stylish retro appearance makes it a beautiful scenery décor for your garden or your home, it is also perfect for gift to your families or friends
  • Color: White
  • Do Not Hesitate, Just Buy One!
  • Locking access door with 2 keys keeps mail safe, Features a historic design, locking door
  • Brand new and high quality color, classic and upscale made of aluminum and steel, durable and for long time using with lock for keeping your letter security simple assemble need and all the hardware include.
  • Material: cast aluminum and cast iron
  • Perfect size – 46″ tall X 16.5″ W , Large tall and heavy duty

6. Extra Large Wall Mount Mailbox with Combination Lock – Anti-Theft Heavy Duty Locking Mailbox Wall Mount for Business – Suitable for Mails, Keys, Rent, and Checks (11” x 4.75” x 15.75”) -Post-Mount Mailboxes

By POCHAR
  • FOR MULTIPLE LOCATIONS: This wall mounted locking vertical dropbox mailbox is ideal for residential deliveries, schools, office, home, mail centers, restaurants, key drops, and much more! The modern design of this hanging lockbox looks great in various locations.
  • WALL-MOUNT BOX: This wall mount mailbox with lock is designed to be installed on walls of offices, schools, and home
  • EXTRA LARGE STORAGE: The locked mailbox has an exterior dimension of 11” (L) x 4.75” (W) x 15.75” (H), giving it plenty of space for items such as letters, mails, and keys
  • The protective zinc coating prevents rusting of the surface, making this night drop box the ideal secure mailboxes for business.
  • SAFE & SECURED: The anti theft mailbox comes with a built-in combination lock, and the mail slot cannot be pried open
  • This all-purpose security mailbox is great for both business and residential use.
  • Simply use the hardware provided to mount this lockable mailbox, and the wall mount locking deposit drop box safe can be used immediately.
  • In addition, the anti-fishing design will keep the items safe and secured, such as mails, rent checks/payments, keys, or other small objects.
  • COMMERCIAL & RESIDENTIAL: Whether you want to use this locking dropbox as a key drop off box for your office, a payment dropbox for your business, or a hanging mailbox with lock for your home, this lockable mailbox wall mount is suitable for both home and business.
  • DURABLE MATERIAL: Made of cold rolled steel, this locking mail box provides great security and protection for valuable items

7. KCHEX Mail Box Heavy Duty Mailbox Postal Box Security Cast Aluminum Vertical Pedestal (Black) -Post-Mount Mailboxes

By KCHEX
  • With Lock For Keeping Your Letter Security
  • Made Of Aluminum And Steel, Durable And For Long Time Using
  • Simple Assemble Need And All The Hardware Include

8. Wakrays Mail Box Heavy Duty Mailbox Postal Box Security Cast Aluminum Vertical Pedestal (Bronze) -Tools & Home Improvement

By Wakrays
  • Material:100% Cast Aluminum Will Not Rust,Stainless Steel Hardware.
  • Mailbox Assembly Components: Roof, Box with door and pre-installed 5-pin cam lock.
  • Product Dimensions: 46″ Tall X 16.5″ W
  • The easy assembly and installation will have your new stylish mailbox up in no time.
  • 2 keys-Locking access door keeps mail safe.

9. AdirOffice Heavy Duty Secured Safe Drop Box – Suggestion Box – Locking Mailbox – Key Drop Box – Wall Mounted Mail Box – Safe Lock Box – Ballot Box – Donation Box (White) -Office Products

By AdirOffice
  • DROP BOX
  • This wall-mounted safe provides the perfect solution for secure drop box applications in any business, furnishing ample room for keys, payments, remote-access devices, mail and other important materials that need to be dropped off after hours.
  • Sturdily constructed using rugged, 14-pound steel with a double-thick storage bin door, this drop box will provide long-term strength and use for years to come
  • It comes complete with two, tubular-type keys – which are difficult to duplicate – to facilitate easy content removal.
  • HEAVY DUTY
  • Measuring 15″ H x 12″ W x 4″ D, this drop box supplies a generous storage capacity for multiple items
  • SUFFICIENT SPACE
  • SECURE DESIGN
  • Providing optimal security, the drop box is equipped with a replaceable, Double-D cam lock to prevent break-ins and tampering
  • The drop opening on top allows materials to be dropped inside with ease, while the 5.8” H x 9.8” W collection door provides easy access when you need to empty them.
  • It also features a powder-coated, scratch-resistant finish for a durable, attractive appearance.

10. Master Lock 5400EC Lock Box, 5 Key Capacity, Black -Post-Mount Mailboxes

By Master Lock
  • Combination reset instructions included with product.
  • Lock box combination is preset to open on 0-0-0-0
  • Set your own four-digit combination lock box; Reset the combination for thousands of personalized combination code options
  • For indoor and outdoor use; Key safe is constructed with a metal body for durability, vinyl coated shackle to prevent scratching, and shutter door to protect combination dials from weather
  • Large capacity key lock box enables secure storage of up to five standard (2 inch) house keys; Shackle fits most ball, biscuit, and tulip door knob styles
  • Exterior dimensions: 4 inch (10.2 centimeter) H x 3-1/4 inch (8.3 centimeter) W x 1-3/4 inch (4.4 centimeter) D; 13/32 inch (10 millimeter) diameter shackle with 1-13/32 inch (36 millimeter) L, 1-7/8 inch (48 millimeter) W Internal Dimensions: 3-1/2in (89mm) H x 2-3/4in (70mm) W x 1in (25mm) D
  • Capacity for 5 standard (2 inch) house keys; Interior dimensions are shaped like an “L” with top section measuring 0.3 inch x 1.56 inch x 2.95 inch; bottom section measures 0.95 inch x 1.51 inch x 3.21 inch

11. Mail Boss 7500 Manager Pro Curbside Security, Black Locking Mailbox with House Numbers, Mounting Plate and Pull Out Mail Tray -Tools & Home Improvement

By Mail Boss
  • Heavy duty 14- and 16-gauge electro galvanized welded steel construction with durable powder-coated finish defends against vandalism
  • USPS approved full service curbside locking mailbox for residential use, secures your mail and helps prevent identity theft
  • High security locking access door includes patented anti-pry latch locking mechanism and commercial grade 12-disc wafer lock to prevent prying and leveraged entry
  • Innovative baffle door design allows for delivery of small packages and parcels but prevents fishing
  • Includes reflective house numbers, patented Fast-Trak Mounting Plate for easy installation on any surface in minutes, concealed outgoing mail clip, vandal resistant flag, pull out mail tray, 3 laser cut keys, and all necessary installation hardware

12. Mail Boss 7106 Curbside Security Locking Mailbox, Black,Medium -Tools & Home Improvement

By Mail Boss
  • Large capacity USPS approved high security locking curbside mailbox made of 12- and 14-gauge electro galvanized steel for strength and durability
  • Patented Fast-Trak Mounting Plate for easy installation on existing posts in minutes
  • Patented anti-pry latch locking mechanism and 12-wafer disc lock to prevent leveraged entry
  • Includes 3 keys, reflective house numbers, 4 lag bolts and drill bit for installation
  • Stainless steel hinges and powder-coated finish for optimum weather resistance
  • Locking access door with commercial grade high security wafer lock.

13. dVault Full Service Vault DVCS0015 Secure Curbside Mailbox/Package Drop with Locking Letterbox (Black) -Tools & Home Improvement

By dVault
  • Never Worry About Package Or Mail Theft Again!
  • USPS Approved! Made in the USA
  • Stainless steel hinges and fasteners
  • Constructed from heavy-duty 16 gauge galvanized steel with durable powder coated finishes
  • Patented security-drop door and Anti-Pry Dual Hook Posi-Locked storage compartment prevent access to deposited contents

14. Mail Boss 7526 Mail Manager Street Safe Locking Security Mailbox, Black -Tools & Home Improvement

By Mail Boss
  • SECURE access door with commercial grade high security 12 disc wafer lock deters drilling and picking
  • INNOVATIVE baffle door accepts mail bundles and small packages allowing for true security to prevent phishing
  • BI-CAM anti-pry latch locking mechanism featuring a chrome-alloy tempered steel hook cam
  • USPS approved
  • REAR LOCKING access door for safe retrieval of mail and parcels away from street traffic

15. Polar Aurora Barcelona Decorative Post Mailbox Combination Stratford Heavy Duty Postal Mail Box Cast Aluminum(Bronze) -Tools & Home Improvement

By Polar Aurora
  • The whole surface is coated with two layers, It has good weather resistance and is not easy to be powdered
  • Sturdy Construction: The Cast Aluminum Mailbox is rust free and sturdy, giving a traditional elegant look to your entryway while withstanding the test of time
  • Easy to Assemble: The postbox dimension : 18.3 x 8.3 x 9 inch, The post is 62.2 inch tall
  • Classic Design : All metal , rust free construction in a classic design that beautifully compatible with any décor, this aluminum mailbox will bring compliments from your neighbors
  • It takes about fifteen minutes to install, includes post, bracket that holds the mailbox, 1 red Flag, and Hardware
  • Perfect Surface Treatment: Different from the ordinary baking treatment, the mailbox is also proceed with electrostatic Powder Coating after pre-treatment, and the workpiece is baked and cured by a furnace temperature of 200 degrees for 15 minutes, the main component of the powder coating is polyester resin, this material has impact resistance and strong adhesion
  • Large capacity mailbox: The Barcelona Decorative Post mailbox is large enough to place daily correspondence and magazines, for mail/post/package receiving and decoration

16. Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox with High Security Reinforced Lock,Black,18.00 x 15.00 x 11.50 inches -Tools & Home Improvement

By ARCHITECTURAL MAILBOXES
  • Doors include rubber seals to keep deliveries clean and dry – all hardware made from stainless steel and other corrosion resistant materials
  • Postmaster General approved and patented design allows delivery of mail bundles and small parcels – perfect for Internet and catalog shoppers
  • Suitable for installation into a pilaster or column – the entire outer shroud is one piece to resist moisture and the elements
  • Body constructed of heavy 16 and 18 gauge galvanized steel fully powder coated prior to assembly for durability and long life
  • 18-Inch d x 14-Inch h x 11.5-Inch w, 23-Pound – Use Adapter Plate 7530-10 for 4×4 wood post installation

17. Salsbury Industries 4325BLK, Black Roadside Mailbox -Tools & Home Improvement

By Salsbury Industries
  • Mail is deposited through a non-locking access panel on the front and includes an outgoing mail tray
  • Mailboxes can be mounted on posts and in columns, masonry or walls
  • Size: 12.5″ W x 13.625″ H x 18.25″ D
  • Feature a durable powder coated finish available in black, green, silver and white
  • Include an outgoing mail tray and an adjustable red signal flag
  • Mailboxes can be mounted on posts and in columns, masonry or walls
  • Include an outgoing mail tray and an adjustable red signal flag
  • Front and rear access locking door with 2 keys for each door (keyed alike)

18. Architectural Mailboxes 6200Z-10 Oasis Classic Locking Post Mount Mailbox, Graphite Bronze -Tools & Home Improvement

By ARCHITECTURAL MAILBOXES
  • Doors include rubber seals to keep deliveries clean and dry – all hardware made from stainless steel and other corrosion resistant materials
  • 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
  • 18-Inch d x 14-Inch h x 11.5-Inch w, 23-Pound – Use Adapter Plate 7530-10 for 4×4 wood post installation
  • Suitable for installation into a pilaster or column – the entire outer shroud is one piece to resist moisture and the elements

19. Winbest Large Steel Freestanding Floor Parcel Lockable Drop Slot Mail Box, Grey -Post-Mount Mailboxes

By winbest
  • The top slot of this Parcel Drop Box accepts items up to 13 inches in width by 6 inches in height, and can be mounted directly to the floor using the included mounting hardware
  • This Large Parcel Drop Box by Barska has been designed to provide a secure way of locking up important items such as large envelopes, packages, and more
  • 2 Back Up Keys, Mounting Hardware
  • Dimensions (L x W x H): 10.5 in x 15.4 in x 41.5 in
  • Tamper-Resistant Drop Slot

20. Architectural Mailboxes 6300W-10 Oasis 360 Mailbox, White -Tools & Home Improvement

By ARCHITECTURAL MAILBOXES
  • mounting holes in floor allows for easy installation
  • H x 20 in
  • Front and rear locking mailbox retrieval doors for ease of access, includes 4 keyed alike keys
  • 3 in
  • Outgoing mail clip discreetly hidden behind hopper door, magnetic intake door closure
  • L x 2
  • H to 9
  • L x 1
  • D with predrilled 4 in
  • Accepts parcels 9
  • 5 in
  • W x 3
  • 6 in
  • W x 12
  • Mailbox is 11
  • 5 in
  • Constructed of heavy gauge galvanized steel and fully powder coated for corrosion resistance
  • x 10 in
  • 5 in
  • 5 in
  • 5 in
  • 5 in
  • W x 11

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21. Mail Boss 7172 Townhouse, Black Home vertical wall mount security mailbox with lock and key, Pack of 1 -Tools & Home Improvement

By Mail Boss
  • Patented anti-pry latch locking mechanism and 12-wafer disc lock to prevent leveraged entry; Includes vandal resistant flag
  • Large capacity secure wall mount locking mailbox made of 14- and 16-gauge electrogalvanized steel for strength and durability
  • Includes 3 keys, reflective house numbers, 4 lag bolts and drill bit for installation
  • Locking access door with commercial grade high security wafer lock.
  • Stainless steel hinges and powder-coated finish for optimum weather resistance
  • Patented Fast-Trak Mounting Plate for easy installation on existing posts in minutes

22. DYZD Single Buckles Tactical Gear Keychain Clip 100% Nylon Belt Key Chain Tactical Key Holder Quick Release Buckle Key Ring Outdoor Keychain (Pack of 1 Black) -Wall-Mount Mailboxes

By DYZD
  • 1 Snap hook coupled With a buckle and split rings
  • Only the best components and designs are used, add military grade nylon Webbing for straps, handles, and modular attachment points; Genuine durable buckles and hardware
  • Heavy Duty 100% Nylon Webbing, meticulously reinforce each stress point with composite thread, Strength and Durable.
  • Zinc Alloy Snap Hook Can be added to Molle system or your wallet, hold things together.
  • The Zinc Alloy Key Ring is an easy way to consolidate, organize and deploy multiple sets of keys and key chain tools.

23. Rainproof Door Drop Box for Mail, Rent, and Night Key – Rain Protection Heavy Duty Door Mail Slot with Rear Access – Use as Check Slot Box, Locked Payment Box, Locking Key Dropbox (Black) -Wall-Mount Mailboxes

By POCHAR
  • RAINPROOF DESIGN: Keep your items dry and protected with our extended hood and sealed frames! Say goodbye to wet and ruined mails
  • We provide various size and type of nails so you can mount this locking safe box on any door up to 1.75 inch thick
  • POCHAR’s through the door drop box is great for both business and residential use, no matter what type of weather or climate you are in.
  • DURABLE & LONGLASTING: With the rust-resisting galvanized steel and powder coating finish, our mail drop box through door not only provides durability and long life span, but also adds a classic and elegant look to your home or business environment.
  • This drop box for door can only be accessed with the designated key, and the 10.25” x 2.3” mail slot is only designed for receiving items and cannot be pried open by force.
  • FITS MOST DOORS: This mailbox front and rear access can be mounted on doors made of wood or steel
  • SAFE & ANTI-THEFT: Our 12″ (L) x 4.25″ W x 15” (H) mail safe comes with anti-fishing design
  • (Note: this locked drop box is NOT for walls.)
  • Whether it is it is a mail, letter, rent check, key, or magazine, our door slot mailbox is the safe mailbox you need.
  • STURDY MATERIAL: Made of heavy-duty steel, this reinforced door mail box provides great security and protection for your valuable and private items

24. KYODOLED Depository Drop Safe Wall Mounted Mailbox,Heavy Duty Security Storage Key Lock Box,Anti-Fishing Locking Secured Steel Mail Box,0.43CF Black -Tools & Home Improvement

By KYODOLED
  • There is a handle on the edge of the delivery mouth to facilitate your delivery.
  • APPROPRIATE CAPACITY: Mail box fits hold multiple letters, newspapers, emails, etc.,including rolled magazines
  • CONVENIENT DELIVERY &SAFE USE:Mailbox with delivery port, easy to store, without opening can be quickly collected
  • HIGH-QUALITY, DURABLE: Mailbox is made of steel plate material, strong and durable, thick wear resistance, paint surface is antirust elements, prevent scratches, is a practical article, can be used for many years.
  • MODERN & STYLISH LOOK: Post Box with Cover Unique Residential Mailbox.Mail box with elegant and modern design , which is prefect to decorate the exterior of the house.Also, it is environmentally friendly paint, so it isn’t harmful to the body.
  • Size: 12”X4.17”X13.46”/14.96”
  • EASY INSTALLATION: Mail Drop Box has pre-drilled holes,everything you need for installation is in the box,It is simple and quick.Should be installed under eave, awning or porch.

25. Mail Boss 7121, Black In-Ground Mounting Post, 43 x 4 x 4 inches, for Use with Mailbox -Tools & Home Improvement

By Mail Boss
  • Can be used with a wooden post for deep in-ground installations
  • Accepts all Mail Boss brand Locking Security Mailboxes
  • Includes 4 mounting bolts and clear instructions
  • Post made of heavy-duty 10- and 14-gauge electrogalvanized steel
  • Features durable powder-coated finish

26. Happybuy Extra Large Mailbox 30.3×17.3×7.9 Inch, Wall Mount Mailbox with 2 Keys, Security Locking Dropbox 1.2mm Galvanized Steel for Outside Home Office to Collect Package and Mail -Wall-Mount Mailboxes

By Happybuy
  • HOLDS BOTH MAIL & MEDIUM PACKAGES- This heavy-duty mailboxes for outside wall mount come with a slot big enough for all of your envelopes, mail, and packages.
  • GALVANIZED STEEL MATERIAL- This secure mailbox is composed of the 1.2 mm thick galvanized steel with a powder-coated, scratch-resistant finish that is rust-resistant and weatherproof, last you year after year of use.
  • SAFE & SECURE MAILBOX- The locking door access includes an anti-pry latch locking mechanism with laser cut keys to ensure that items dropped inside are safe and secure.
  • QUICK & EASY INSTALLATION- The wall mount mailboxes for outside is a breeze to install, with the process taking you no more than 2 minutes to mount it on your wall or porch.
  • VARIOUS USES- The drop box with slot is designed to accept keys, payments, small parcels, letters, and checks and widely used in the home, office, commercial Mailbox, etc.

27. Brightlight Mailbox, Premium Aluminum Mailbox and Post with Solar Address Light, Illuminated House Numbers for Easy Navigation, Decorative Mailbox with Magnetic Door Latch, House Number Signs (Bronze) -Tools & Home Improvement

By BRIGHT LIGHT MAILBOX
  • Mount 6″–8″ from the curb with the opening between 41″ and 45″.
  • EASY INSTALLATION: Watch our installation videos for best mounting results
  • ADDRESS NUMBERS FOR HOUSES: This customizable mailbox features modern house numbers that are personalized for your specific address number, whether it’s business or residential.
  • SOLAR ADDRESS SIGN: The only solar-powered lighted mailbox, this mailbox kit will help friends, family, emergency personnel, and other guests find your house quickly, during the day or in the dark.
  • It is built to withstand years of outdoor elements and all kinds of weather.
  • Make sure your mailbox is accessible for postal workers
  • BEAUTIFUL MAILBOX: Will be delivered in TWO separate packages
  • DURABLE CONSTRUCTION: These heavy-duty aluminum mailboxes feature a powder-coated finish for extra strength and durability

28. Qualarc E1-MLBX-LKIT-GRN Rust Proof Galvanized Mailbox with Locking Insert, Steel Latch and Red Aluminum Flag, Green -Tools & Home Improvement

By Qualarc
  • Secure your mail with this locking mailbox made of galvanized steel that will not rust
  • Tough powder coated finish will not scratch
  • Incoming mail slot opening: 6-3/8″W x 1″H
  • Locking door opening: 6-3/8″W x 5″H
  • Product dimensions: 5.8″W x 4.5″H x 14.9″D
  • Larger mail, magazines and outgoing mail can be placed on top of the locking insert

29. Winbest Steel Freestanding Floor Lockable Large Drop Slot Mail Box with Parcel Compartment, Black -Tools & Home Improvement

By winbest
  • Sheet Steel Construction
  • Tamper-Resistant Drop Slot
  • Included: Mounting Hardware and 2 Keys
  • Dimensions (L x W x H): 16.75 in x 13.5 in x 43 in
  • A stainless steel door lifts to reveal a drop slot, which can accept items up to 14 in wide x 7.5 in high
  • Weight: 39.5 lbs

30. Architectural Mailboxes 620020B-10 TriBolt High Security Parcel Mailbox, Black -Tools & Home Improvement

By ARCHITECTURAL MAILBOXES
  • 75-in x 4-in x 2
  • Constructed from heavy gauge galvanized steel for durability with a heavy gauge door and lock reinforcement
  • Accepts parcels 9
  • Anti-pry three-point lock engagement mechanism for extra high security
  • 75-in
  • Concealed outgoing mail clip
  • Doors fitted with weather-tite rubber seals and has stainless steel hinges and hardware
  • 5-in x 2-in to 9
  • 75-in x 6

31. Salsbury Industries – 4325SLV Roadside Mailbox, Silver, 12.5 in. W x 13.625 in. H x 18.25 in. D -Post-Mount Mailboxes

By Salsbury Industries
  • Include an outgoing mail tray and an adjustable red signal flag
  • Front and rear access locking door with 2 keys for each door (keyed alike)
  • Mailboxes can be mounted on posts and in columns, masonry or walls
  • Mail is deposited through a non-locking access panel on the front and includes an outgoing mail tray

32. Winbest Steel Freestanding Floor Lockable Drop Slot Mail Box with Parcel Compartment, Black -Tools & Home Improvement

By winbest
  • The lower parcel compartment also features a push-lock that secures the package after it is delivered
  • A separate bottom compartment can fit larger packages up to 13.75 in x 9.5 in x 16 in
  • Weight: 30.5 lbs
  • Dimensions (L x W x H): 13.5 in x 16.75 in x 38.5 in
  • Included: Mounting Hardware and 2 Keys
  • A stainless steel door lifts to reveal a drop slot, which can accept items up to 11 in wide x 2.5 in high

33. Simplay3 Dig-Free Easy Up Classic Mailbox (Black) -Post-Mount Mailboxes

By Simplay3
  • Color matched hardware, bonus funnel and address numbers included.
  • of sand required to secure base (sand not included)
  • Heavy-duty, durable, double-wall molded construction
  • Patent-pending unique design allows above ground installation – no digging or below ground post required!
  • Features include easy access, magnetized front and rear doors, and red “pick-up mail” indicator flag
  • Made in the USA.
  • Easy to assemble and install, 100lb

34. Gibraltar Mailboxes Pedestal Large Capacity Cast Aluminum Black, Mailbox & Post Combo, PED0000B -Tools & Home Improvement

By Gibraltar Mailboxes
  • Concealed locking compartment keeps mail secure
  • Large size capacity provides abundant space for multiple parcels
  • Cast aluminum steel construction provides strength and stability
  • Black powder-coated finish is rust-resistant to protect against outside weather

35. Mail Boss 7162 Metro, Black High Capacity Wall Mounted Locking Security Mailbox,Medium -Tools & Home Improvement

By Mail Boss
  • Patented anti-pry latch locking mechanism and 12-wafer disc lock to prevent leveraged entry
  • Includes 3 keys, reflective house numbers, 4 lag bolts and drill bit for installation
  • Large capacity security wall mount locking mailbox made of 14- and 16-gauge electrogalvanized steel for strength and durability
  • Includes innovative mounting bracket for quick and easy installation on most any surface
  • Stainless steel hinges and powder-coated finish for optimum weather resistance

36. Mail Boss Curbside, Wood Grain 7510 Mail Manager Locking Security Mailbox -Tools & Home Improvement

By Mail Boss
  • Includes concealed outgoing mail clip, 12-disc wafer lock, 3 keys and all necessary installation hardware
  • 75″ W
  • Dimensions: 21″ D x 11
  • 25″ H x 10
  • USPS-approved full-service residential locking mailbox prevents mail-identity theft
  • Innovative baffle door accepts small packages and deters fishing, and patented anti-pry latch locking mechanism prevents leveraged entry
  • 14- and 16-gauge electro galvanized welded steel construction defends against vandalism, with an elegant wood-grain finish on the front face

37. Gibraltar Mailboxes MB981W01 Reliant Locking Mailbox, Large, White -Tools & Home Improvement

By Gibraltar Mailboxes
  • Concealed locking compartment protects mail from theft
  • Aluminum outgoing mail flag
  • Magnetic latch keeps door securely closed
  • Match with any Gibraltar Mailboxes post with the designation letter C
  • Heavy-duty galvanized steel construction
  • Features decorative, satin nickel finished hardware
  • Internal mail clip for outgoing mail included
  • Mounting hardware sold separately
  • Two keys provided for access to delivered mail
  • Recessed door helps prevent moisture from entering

38. Architectural Mailboxes 950020B-10 Centennial Postmount Mailbox, XL, Black -Tools & Home Improvement

By ARCHITECTURAL MAILBOXES
  • Predrilled 4 in
  • Larger inner compartment can accept a USPS priority mail large flat rate box 12 in
  • and still has room for additional mail and parcels
  • x 12 in.
  • x 5.5 in
  • x 14 in
  • Heavy gauge galvanized steel body equipped with stainless steel door pins then fully powder coated for corrosion resistance
  • x 10 in
  • Mailbox measures 18 in
  • hole pattern in floor allows for mounting to existing post (installation hardware not included)
  • x 12 in
  • Sleek magnetic door closure provides reliability all while keeping door firmly closed

39. DuraBox Wall Mount Locking Drop Box Steel Mailbox for Rent Payments, Mail, Keys, Cash, Checks W500 (Gray) -Tools & Home Improvement

By DuraBox
  • MOUNTING HARDWARE INCLUDED – Designed to be mounted on a wall
  • QUALITY DESIGN – Durable steel construction provides secure all-day depositing of valuables or private items such as cash, checks, car keys, remotes, small envelopes, and more
  • The security baffle prevents fishing from the drop-slot, and a continuous piano hinge on the retrieval door prevents prying
  • Product weight 16 lbs
  • DIMENSIONS – Exterior dimensions: 15″ H x 12″ W x 4-1/4″ D
  • Includes mounting hardware for wood and concrete
  • Retrieval door clearance of 5-1/4″ H x 9-1/2″ W
  • This unit is not ideal for receiving large mail items such as books, magazines, catalogs, manila envelopes, and other larger mail because of the anti-phishing baffle
  • EFFICIENT DESIGN – The deposit slot opening is 9-3/8″ wide and accommodates items up to 7/8″ thick
  • Perfect for daily residential and commercial use
  • Made from 14-gauge scratch and rust resistant powder-coated steel
  • SECURE – Comes with a tubular style key lock and 2 keys that are difficult to copy
  • Keep your packages and mail organized and secure

40. Salsbury 4850BLK Heavy Duty Rural Mailbox – Black -Tools & Home Improvement

By Salsbury Industries
  • Include an adjustable red signal flag and a magnetic door catch
  • Mailboxes can be mounted on posts and in columns, masonry or wall.
  • Feature a durable powder coated finish available in black, green, beige and white
  • Made entirely of aluminum
  • Does not come with hardware kits

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41. Architectural Mailboxes Oasis Classic Large High Security Parcel Mailbox, White -Tools & Home Improvement

By ARCHITECTURAL MAILBOXES
  • Postmaster General approved and patented design allows delivery of mail bundles and small parcels – perfect for Internet and catalog shoppers
  • Doors include rubber seals to keep deliveries clean and dry – all hardware made from stainless steel and other corrosion resistant materials
  • 18-Inch d x 15-Inch h x 11.5-Inch w, 23-Pound – Use Adapter Plate 7530-10 for 4×4 wood post installation
  • Body constructed of heavy 16 and 18 gauge galvanized steel fully powder coated prior to assembly for durability and long life
  • Suitable for installation into a pilaster or column – the entire outer shroud is one piece to resist moisture and the elements

42. ADDRESSES OF DISTINCTION Magnolia Large Mailbox & Post System – Black Rust Resistant Mailbox – Includes Plaque, Decorative Bracket, Pineapple Finial & Mounting Hardware – Customized Address Numbers -Tools & Home Improvement

By ADDRESSES OF DISTINCTION
  • SINGLE PIECE POST FOR STURDY CONSTRUCTION: The Addresses of Distinction posts feature a robust single-piece construction that is placed 18-28 inches into the ground
  • INCLUDED WITH YOUR PURCHASE: The Magnolia Mailbox & Post includes one black mailbox 21″ Long x 11″ Tall x 8.25″ Wide, one 6-foot Charleston post, one decorative bracket, one pineapple finial, one address plaque, up to five 2-inch street numbers that we place on both sides of your address plaque, red aluminum flag, and all hardware needed for assembly
  • This heavy-duty construction ensures that your mailbox system will withstand the elements and act as a beautiful introduction to your home for years to come.
  • POWDER COATED ALUMINUM MAILBOX SYSTEM: This Post and Mailbox System is cast from 100% rust free, powder coated ¼” aluminum
  • The powder coating is the same coating used on industrial tractor equipment
  • We ship custom orders the SAME DAY!
  • The Magnolia includes the Addresses of Distinction decorative Charleston post, metal mailbox, pineapple finial, address plaque, and up to five 2-inch address numbers that we place on each side of your address plaque
  • Select your font color and type your text in the box that says “House Numbers.” You can add up to 5 numbers
  • Addresses of Distinction includes a 1-year Manufacturer’s Warranty with your purchase.
  • The cast aluminum box measures 21″ Long x 11″ Tall x 8.25″ Wide and sits atop the str
  • Our postal system will stand up to heavy winds, rains, blizzards, and storms.
  • When you’re finished customizing, click the yellow “Add to Cart” button to submit your custom order
  • We place your street numbers on each side of the address plate
  • TRADITIONAL MAILBOX AND POST SYSTEM: The Magnolia Mailbox & Post System features a traditional American Eagle embossed on the front door
  • CUSTOMIZING IS EASY: To customize your address plate, look to the right of your screen and click the large yellow “Customize Now” button
  • All components of this system feature a satin black finish
  • Similar systems have multi-piece posts which can weaken and bend over time

43. Qualarc LKIT Galvanized Steel Universal Locking Insert for E1 Economy Mailboxes 14.9″D x 5.8″W x 4.5″H -Tools & Home Improvement

By Qualarc
  • Comes with 2 keys and heavy duty lock
  • 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
  • Product Dimensions: 5.8 inch w x 4.5 inch H x 14.9 inch D
  • Turn your E1 economy mailbox into a locking mailbox with this insert

44. Architectural Mailboxes 6400P-R-10 Oasis Eclipse Locking Mailbox, Pewter -Tools & Home Improvement

By ARCHITECTURAL MAILBOXES
  • 3 in
  • x 5-3/8 in
  • x 10 in
  • H x 18
  • Anti-fishing security comb keeps mail safe
  • to 8-5/8 in
  • W x 11 in
  • Dual outgoing mail clips discreetly hidden behind hopper door with a magnetic intake door closure
  • 5 in
  • Galvanized steel lock with reinforced bracket with pry resistant retreival door
  • Accepts envelopes and small parcels sized 12
  • 2 in
  • x 1-5/8 in.
  • Mailbox is 11
  • 5 in
  • D with predrilled 4 in
  • 5 in
  • mounting holes in floor allowing for easy installation

45. Mail Boss 7412 High Security Steel Locking Wall Mounted Mailbox-Office Comment Letter Deposit, Black Drop Box -Tools & Home Improvement

By Mail Boss
  • Features heavy duty 16-gauge galvanized steel construction with a powder-coated finish and an innovative bin door design to prevent fishing
  • 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
  • Stainless steel hinges for durability and ease of use
  • Suitable for social distancing and safe transfers
  • Security wall mounted mailbox for convenient drop box applications including night drops, key drops, payment drops, interoffice mail and more

Heavy duty locking mailbox – The Buyer’s Guide

You must have checked the above list, aren’t you mind-blown by the quality of products? Well, if you are then here’s a secret formula which we’ve used to choose them. You can use them too! The best part is, it works for all the product purchases you make! Besides, wouldn’t it be helpful to you, if you knew the factors we’ve considered to choose the heavy duty locking mailbox in the above list? So shall we begin with the guide and help you learn about the important factors?

1. Does it have the features you need?

Wait for a minute before you buy the heavy duty locking mailbox, check if it has all the features in your requirement list! If it doesn’t have them, then you should avoid buying that particular model and start looking for an alternative. We always suggest our editors to make a list of important features before adding a product to a list and based on the feature, the quality of the product, brand-assurance, rank it! So if it has all you need, you should not mind paying a bit extra. However, if you end up buying the best heavy duty locking mailbox which doesn’t have the feature you need the most, then it won’t make sense! Would it? To us, it wouldn’t! That’s why you should make up a list which includes the features you are looking for, technical specifications if any, etc and come up with a budget.

2. Budget and Price Match

Well, you obviously can’t buy the best heavy duty locking mailbox with a low budget. That’s why it’s important to make note of all the important features, specs, factors and come up with a budget. Once you are ready with it, look for the products which are either equal to your budget or are close to it. Stick to the budget, because while browsing, you’ll see a model which is slightly better and has an additional feature with a really small price difference. Well, in that case you’ll have to calculate the price of the product which has all the required features and the heavy duty locking mailbox with the additional features. See if the difference in amount is worth for the feature? If you don’t have second thoughts, you shall probably increase your budget.

3. Warranty and Brand

Most of the heavy duty locking mailbox industry experts we got in touch suggested us to always buy the one which comes from a reputable brand. They also explicitly asked us to include the best brands so that users don’t buy the models from unknown brands or non-reputable companies. Because heavy duty locking mailbox from an unknown brand might be cheap at first glance, but could have high-maintenance and could cost a lot in repairs.

Another benefit of buying a heavy duty locking mailbox from a reputable brand would be warranty. Most of the heavy duty locking mailbox from reputable brands come with good warranty. However, cheap products do come with a warranty, but claiming it can be a herculean task. That’s why buy the models which come from known brands and have good warranty.

4. Check for Reviews and Ratings

Back then when the Internet wasn’t as big as it is today, local stores charged high and even ended up selling the products which sucked or wasn’t future proof. It’s because the salesman threw technical terms and confused the buyer. But nowadays, there are sites like ours which does all the research and lists down the best models and there are eCommerce stores like Amazon which has user reviews which can be read to know the experience of the user with that particular heavy duty locking mailbox. Isn’t it great?

The Verdict

We hope that you loved the heavy duty locking mailbox we’ve listed in our best list. If it has been helpful, please bookmark our website and share it with people you know whenever they plan to buy something.

To wrap up this guide,

About the author

Toni Morrison

Toni is the Senior Writer at Main Street Mobile. She loves to write about the Internet and startups. She loves to read stories of startups and share it with the audience. She is basically a Tech Entrepreneur from Orlando. Previously, She was a philosophy professor. To get in touch with Matt for news reports you can email him on toni@mainstreetmobile.org or reach her out on social media links given below.

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