The 9 Best through door Key Drop boxes (2023 reviews)

The fayleeko through door key drop box is capable of outshining several other box featured in this list in overall features. This key lock box is made of zinc alloy, and it is providing powerful resistance to cutting, hammering, and sawing. It is also a perfect solution for key storage in the real estate business. It comes with all necessary mounting hardware, consisting of 4 screws and 4 nylon expansion plugs, and a manual, which makes it simple to mount it on the wall with no additional hardware purchases.

The 4-digit combination provides 10, 000 unique choices, which makes the key storage box have high security to protect your keys. It is easy to install, use, safe and secure, and easy to hide. The inside provides plenty of room for spare keys and other necessities that you may want to include in the box.

Why We Like This:

Looks great, low profile, easy to install, easy to set the pass code
Easy to install and easy to code & use
Easy to mount with plenty of mounting options
Works great as a secure key hider

Best For All weather types: Keter through door Key Drop Box

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Next on the list, we've got yet another box that manages to win our hearts. It's the keter through door key drop box and it's widely considered as one of the best convenient box you can buy. It is made of plastic, so a very determined thief could get into it, but it will deter someone, which is about all one can hope for. It has specifically drilled holes and instructions on how to assemble. It does create a lot more peace of mind and a bit more protection from porch pirates.

This is plastic and snaps together, so easy to unsnap the panels from each other. It has holes in the bottom and comes with anchor bolts to bolt it down. It is light weight so something has to be done to hold it in place. It is easy to install, with only needing a screwdriver for some of the screws. It is very secure though, especially if you use a lockdriver for some of the screws.

Why We Like This:

Excellent product, little hard to assemble
Makes life so much easier knowing packages and fedex envelopes are safe and secure
Does very well as long as it's not too windy out

Best For porch: flybold through door Key Drop Box

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This product belongs to the flybold stable of brands, known for outstanding design, exceptional product quality and affordable prices. It can be used to receive mails, envelopes and letters at home (or) check, deposit, rent and money payment from the tenants (or) key drop box in the car rental garage and as drop boxes with lock for business. It comes with step-by-step instruction manual and all necessary mounting hardware to easily install the drop box.

These are also called as mail catcher for mail slot, security mail slot, double door mailbox, mail slots for doors, cash box with slot, door mail slot, drop box with lock and slot, locked drop box, door slot mailbox through wall. The bolts provided to secure the box to the door are three inches. It is quite strong and easy to install and provides hood security.

Why We Like This:

Get yourself undisturbed from frequent door opening
Easy to install and looks discreet
Powder coated steel box and cover, doesn’t rust and withstands weather conditions

Best For Package: Toriexon through door Key Drop Box

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The toriexon through door key drop box gives the top-tier box a run for their money by offering flagship specs at a much more affordable price. This box is located in the garage and has the slot on the front porch side. It offers ample storage space and will fit through the purposely confined 3" x 10.4" wide drop slot. It comes with a cushion for when things are deposited in.

The key drop box provides secure all. It is heavy duty. There is a small opening on the mail slot which is made of acrylic so you can confirm it quickly that if there are some items in the drop mail box without opening the door. The door of the drop box can stay shut if you leave the combination set to open. It is a brand that aims to delight users with products and services.

Why We Like This:

Hinged 10½ ” x 10 " door to protect against prying
Lot of satisfied buyers

Best For convenience stores: Barska through door Key Drop Box

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We would, of course, be remiss if we didn't mention barska through door key drop box for daily usage. It is great way to keep cash and checks in a secure location. It features anti-fishing baffles to prevent the contents from being retrieved by an unauthorized user, and has a dual key operated lock for added security. It comes with a heavy duty dead bar that prevents door removal during a forced entry attempt. The safe comes with 4 anchor holes and mounting hardware, provided to secure your safe to the floor or counter. It includes the mounting kit for securing on the floor or counter. It is ideal for convenience stores, restaurants, hotels/motels, and small cash businesses.

Why We Like This:

Delivers what they promise
Lot of satisfied buyers

Best For collecting rent payments: Protex Safe Co through door Key Drop Box

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We would, of course, be remiss if we didn't mention protex safe co through door key drop box for regular usage. This is a wonderfully made drop box. It is made of heavy gauge steel and painted with powder coating. It can be installed on the wall between standard 4 x 4 wall studs. The piano hinge door provides an elevated level of security and privacy. It comes with it doesn't have screws for the trim pieces and there is no template. These are able to pry it open easily.

It is the right solution for property managers, offices, and car dealerships/bodyshops that are in need of a quick-drop solution. It can be used in a dry location.

Why We Like This:

Designed to be installed in the wall between standard (16" on center) wall studs
Access to contents is good and the lock is secure
Adjusts to fit through walls anywhere between 4" to 10" in thickness

Best Quality Product: Metateel through door Key Drop Box

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The metateel through door key drop box should be able to handle its purpose and duties with ease. This through the door drop box makes it easy to collect your mail without having to go outside. It is perfect for keeping your mail safe and organized. The door mount drop box has a 12 " x 4.25 " x 15" storage bin and allows people to drop off keys, leave off checks and deposit other documents or items after hours. It has anti phishing design to help prevent theft.

The door mount drop box is made of steel making it sturdy and durable. It is equipped with a key lock on the retrieval side which includes two keys. It is perfect for use at office, home or school.

Why We Like This:

Small window feature to see through mailbox and see when mail has been delivered
Very well made, good quality product
Good investment for long term

Best With mail slot: Protex Safe Co Lock Box

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The protex safe co lock box might be a relatively new release, but it's still nothing short of impressive this year. This is a great little drop box safe and safe once they are in. It is designed for dropping the different sizes of items, like car remotes, keys, small envelopes, and more. It does just what it is supposed to do, it is sturdy, easy to install, not too big. It comes with trim for the back side of the door to cover up the cut out. It is not even close to air/water tight as you can see plenty of light on both sides (top and bottom) of the slot from the inside. It is easy to install in the office door and gives a piece of mind that no one can fish the keys out of it from the outside. It is excellent for security and confidentiality. It will also accept small envelopes.

Why We Like This:

Well made and secure key drop box
Very nice and durable inside, lined and lights up when you open it
Solid heavy construction and easy to install
Perfect size for jewelry, papers, etc

Best For protection: Southeastern through door Key Drop Box

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For a low asking price, southeastern through door key drop box has managed to overwhelm their customers by packing as many features as they could. It is designed for protection against robbery as well as internal theft, allowing quick deposits and secure storage for cash and miscellaneous valuables without actual access inside the safe. It is well made and anchors to the floor easily.

Why We Like This: