10 Best Outdoor Key Lock Box 2025 in the United States

The Master Lock Key Lock Box, model 5400EC, is a solid choice for outdoor key storage. Made of durable metal with a powder-coated finish, it offers strong protection. The lock box can hold up to five standard house keys, which is quite practical for most households. Its mechanical code lock allows for thousands of personalized combinations, making it secure and adaptable to your needs.

This lock box is designed to fit various doorknob styles, which adds to its versatility. Additionally, it has a vinyl-coated shackle to prevent scratching and a shutter door to protect the combination dials from weather elements, ensuring it can withstand outdoor conditions effectively. The dimensions are relatively compact, not taking up much space while still being functional.

However, it may be slightly bulky for those looking for something extremely discreet. Also, setting up the combination might require some initial effort, but once set, it’s straightforward to use. Suitable for real estate agents, families, or anyone needing secure key storage outdoors, this Master Lock model offers a good balance of security, durability, and ease of use.

The Puroma Key Lock Box is primarily made of high-quality aluminum alloy and steel, which makes it robust and resistant to rust, cutting, and other forms of damage. This ensures that your keys are kept secure. It features a mechanical combination lock that you can reset with a custom 4-digit code, offering up to 10,000 possible combinations, which adds a high level of security. The initial code is set to 0-0-0-0, making it easy to reprogram to your desired combination.

The box's dimensions are 1.54 inches in depth, 3.07 inches in width, and 5.75 inches in height, providing ample space for storing multiple keys. This makes it particularly useful for homeowners, office workers, or even Airbnb hosts who need to share keys securely. It is designed to be weather-resistant, so it can withstand outdoor conditions, although the extent of its water resistance is not specified in detail.

The lockbox offers versatile mounting options; it can be hung on a doorknob using the removable shackle or securely mounted to a wall with the provided screws and expansion plugs. Users have found it relatively easy to set up and use, appreciating its large capacity and sturdy build. However, it’s worth noting that while it is weather-resistant, it may not be fully waterproof, so ensuring it’s placed in a sheltered location could be prudent. Additionally, while the combination lock mechanism is generally reliable, it requires careful handling to ensure longevity. With a weight of just 0.6 pounds, it is lightweight and portable. This product is well-suited for anyone needing a secure key storage solution, particularly in environments where multiple people need access to keys, like rentals or offices.

The Master Lock Digital Lock Box for Keys is made of durable zinc material, which is robust and suitable for both indoor and outdoor use. It's equipped with an electronic locking mechanism and supports Bluetooth connection to iOS and Android apps, allowing for convenient code sharing. This feature is particularly useful for Airbnb hosts, vacation rental properties, and real estate agents who need to provide temporary or permanent access to different users. The lock box has a generous internal space, accommodating multiple keys or access cards with ease. It also includes a replaceable CR123A battery, which is already provided in the package.

The weather resistance capability down to -40° ensures that the contents remain protected under harsh conditions, making it a reliable choice for outdoor use. Additionally, it offers tamper and low-battery alerts for added security and convenience. The mounting process is straightforward with included hardware, though the size and weight of the unit may require careful placement to ensure secure installation. On the downside, reliance on a Bluetooth connection for some functionalities might be limiting for users who prefer non-digital solutions. The Master Lock Digital Lock Box provides a comprehensive solution for secure key management but might not be ideal for those who prefer simpler, non-electronic lock boxes.