10 Best Key Lock Boxes 2026 in the United States

The Master Lock Key Lock Box 5400EC5 is designed for secure outdoor storage of up to five standard house keys, making it a solid choice for realtors, landlords, and property managers who need quick yet safe access to properties. Its metal body combined with a vinyl-coated shackle offers good durability and helps prevent damage or scratching to door hardware. The four-digit combination lock lets you set and reset your own code, providing keyless convenience without the worry of lost keys or batteries. This lock box is weather-resistant thanks to a protective shutter covering the combination dials, which is important for outdoor use.

At about 6¼ inches tall and 3¼ inches wide, it’s compact enough to be portable but still large enough to hold multiple keys securely. The shackle fits most common door knob styles, allowing easy mounting on various doors or fixtures. One drawback is that it only holds up to five keys, which might be limiting if you have many keys to secure. Also, while it’s built for outdoor use, extreme weather or tampering could still pose challenges, so placement matters.

The package includes five lock boxes, which is great for managing several properties or sharing among a team. The product comes with a limited lifetime warranty, backing its reliability. If you want a straightforward, robust lock box with a customizable code system and reasonable capacity, this Master Lock is a dependable option.

The Master Lock Digital Lock Box is designed to securely store keys and access cards, making it particularly suitable for vacation rentals like Airbnb and VRBO, unmanned locations, and real estate use. One of its notable strengths is the ability to share access via Bluetooth and keypad codes, allowing flexibility for both temporary and permanent access. This is especially useful for managing multiple guests or service personnel without needing physical keys. Additionally, it offers a large internal capacity, ensuring you can store multiple keys at once, and it is weather resistant down to -40°, making it durable for outdoor use.

On the downside, some users may find the reliance on a battery for operation a drawback. The lock requires a CR123A battery, which needs to be replaced periodically, although it does come with one included. The lock box is also slightly larger than some might expect, measuring 3-1/4 inches wide, which could be a concern for those looking for a more compact solution.

If you seek a reliable and user-friendly solution for key management, especially in rental or real estate scenarios, the Master Lock Digital Lock Box is a compelling option. Just be prepared for the need for battery replacements and some potential learning curve with the app functionalities.

The Barska 600 Position Key Cabinet is a sturdy and practical choice for anyone needing to organize a large number of keys, especially in office or commercial settings. Made from alloy steel, it offers strong durability and security, which is important for protecting keys. The mechanical key lock provides reliable access control without the need for batteries or electronic components, making it simple to use and maintain. With space for up to 600 keys, it’s great for businesses or facilities with many users or rooms to manage.

The adjustable racks and colorful key tags make it easier to keep keys sorted and quickly identifiable, which reduces time spent searching for the right key. It mounts securely on the wall with included hardware, helping save floor space and keeping keys out of reach from unauthorized access. This cabinet is quite large and relatively heavy, so it’s not designed for portability or use outside of a fixed location. It also lacks weather resistance features, so it’s better suited for indoor use rather than outdoor environments.

Another limitation is the absence of a warranty, which might be a concern for some buyers. This key cabinet serves as a solid, no-frills option for organized key management in offices or businesses that need to store many keys securely and in one place.