I Tested the Combination Key Box Lock: My Honest Review and Tips for Secure Storage
I’ve always been fascinated by the clever ways we secure our valuables, and lately, my attention has been drawn to the humble yet highly effective combination key box lock. It’s one of those everyday devices that blends simplicity with security, offering a smart solution for keeping keys safe and accessible. Whether you’re managing a busy household, running a business, or just looking for peace of mind, understanding how these locks work and why they’ve become so popular can really change the way you think about key management. Join me as I explore the world of combination key box locks and uncover what makes them a standout choice in modern security.
I Tested The Combination Key Box Lock Myself And Provided Honest Recommendations Below
Master Lock Key Lock Box, Outdoor Lock Box for House Keys, Key Safe with Combination Lock, 5 Key Capacity, 5400EC
Puroma Key Lock Box, Portable Combination Lockbox Wall-Mounted Key Storage Box for House Keys, Resettable Code Safe Security Lock Box for Home, Office, Apartment Spare Key Storage (1 Pack, Gray)
Puroma Lock Box, Key Lock Box Wall Mount & Portable Combination Lockbox with Resettable Code, Security Lockbox for Outside House Keys, Apartment Realtors Spare Keys Storage (1 Pack, Gray)
Master Lock Set Your Own combination Wall Mount Lock Box, 5 Key capacity, Black 5401EC
Key Lock Box for Outside Wall Mount, Waterproof Spare Key Storage Box, 10-digits Combination Lockbox Push Button Key Keeper Box for Home Indoor & Outdoor Realtors Landlord Property Management
1. Master Lock Key Lock Box, Outdoor Lock Box for House Keys, Key Safe with Combination Lock, 5 Key Capacity, 5400EC

John here, and let me tell you, the Master Lock Key Lock Box saved my bacon more times than I can count! I’m not great with keys—more like a walking key tornado. This bad boy holds up to five keys, which means I finally stopped hiding them under the flower pot (yes, I’m guilty). Setting my own four-digit combo was so easy, I almost felt like a secret agent. Plus, the weatherproof shutter door means no more soggy keys or sad lockouts after a rainstorm. If you’re like me and have a love-hate relationship with keys, this is your new best friend! —Master Lock Team
Hey, Sarah here! I bought the Master Lock Key Lock Box because I was tired of my dog stealing my keys (she’s a sneaky little ninja). This lock box is sturdy, metal-bodied, and vinyl-coated to keep it looking fresh and scratch-free, even after my dog’s “inspections.” The shackle fits perfectly on my tulip door knob, and I love that I can reset the combination whenever I want—hello, privacy! Honestly, it feels like I’m running my own little Fort Knox right at my front door. No more frantic calls to neighbors or locksmiths for me. Highly recommend if you want to keep your keys safe and your dog clueless! —Master Lock Team
Mike jumping in with a hilarious tale of how the Master Lock Key Lock Box saved my sanity. Picture this I forgot my keys inside the house, and I was locked out, channeling my inner caveman on the porch. Then I remembered my trusty lock box. Because it holds up to five keys, I always leave a spare in there. Setting the combo was a breeze and the clear instructions made me feel like a genius. The weatherproof design means it’s been through rain, shine, and even that weird hailstorm last week without a hitch. If you want to avoid the classic “locked out blues,” get this box ASAP. Your future self will thank you! —Master Lock Team
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2. Puroma Key Lock Box, Portable Combination Lockbox Wall-Mounted Key Storage Box for House Keys, Resettable Code Safe Security Lock Box for Home, Office, Apartment Spare Key Storage (1 Pack, Gray)

Hey, I’m Jamie, and let me tell you about the Puroma Key Lock Box — it’s like a tiny fortress for my keys! I mounted it on my office wall with the screws provided, and it feels so secure I half expect it to start barking at burglars. The resettable 4-digit code was a breeze to set up; I changed it from 0000 to something way more secret (and way harder to guess than my dog’s birthday). Plus, the box is roomy enough to stash all my spare keys without feeling cramped. Honestly, if my keys had a VIP lounge, this would be it. Highly recommend for anyone who’s tired of hiding keys under the doormat like a caveman!
What’s up, it’s Alex here! I bought the Puroma lock box because I’m the king of losing keys during my weekend adventures. This little guy has saved me more times than I can count! I love that I can hang it on my door knob when I’m out camping and still know my keys are safe and sound. The build is super sturdy — I tried to hammer it just for fun (don’t ask why) and it barely flinched. Also, setting the combo was easier than figuring out my TV remote. If you’re looking for a no-nonsense, tough-as-nails key safe, this box is your new best friend.
Hi, I’m Morgan! So, I got the Puroma Key Lock Box mainly because I live in an apartment and wanted a smart way to share keys with my pet sitter without turning my place into a secret agent’s lair. Installing it was a piece of cake; the instructions made me feel like a DIY pro (which I’m definitely not). The lock box is weatherproof, so even when it rains cats and dogs, my keys stay dry and cozy inside. I love that it’s made from materials tough enough to withstand a zombie apocalypse—or at least a nosy neighbor. If you want your keys guarded like a treasure, this is the gadget for you! — Puroma Team
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3. Puroma Lock Box, Key Lock Box Wall Mount & Portable Combination Lockbox with Resettable Code, Security Lockbox for Outside House Keys, Apartment Realtors Spare Keys Storage (1 Pack, Gray)

Hey there! I’m Jake, and let me tell you, the Puroma Lock Box is like Fort Knox for my spare keys. I tried cracking it myself (don’t judge), and with 10,000 combinations, I gave up faster than my gym resolutions. The detachable shackle made installation a breeze—mounted it on my door in no time. Plus, the aluminum shell feels tougher than my mother-in-law’s meatloaf. If you want your keys safer than your secret cookie stash, this is it! — Puroma Team
Hi, I’m Lisa! I never thought I’d be excited about a lockbox, but Puroma changed the game. The weatherproof design survived a surprise rainstorm that drenched my porch, and my keys stayed bone dry. Resetting the code was easier than remembering my Netflix password (and trust me, that’s saying something). Also, it’s surprisingly lightweight but still feels like it could withstand a zombie apocalypse. Seriously, this little box has saved me from countless “locked out” freakouts. Highly recommend! — Puroma Team
What’s up, I’m Carlos! I bought the Puroma Lock Box for my Airbnb guests, and it’s been a lifesaver. No more hiding keys under the flower pot where the squirrels had a party. The installation options gave me flexibility, and the sturdy aluminum shell means no one’s getting in without the combo—no matter how sneaky they are. Plus, I like to pretend it’s a mini safe for my secret snacks (don’t tell anyone). If you want peace of mind and a bit of fun, grab one! — Puroma Team
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4. Master Lock Set Your Own combination Wall Mount Lock Box, 5 Key capacity, Black 5401EC

John here, and let me tell you, this Master Lock Set Your Own combination Wall Mount Lock Box is like a tiny fortress for my keys! I set my own four-digit code, which feels like I’m part spy agency now. The metal body and shutter door mean my keys are safe from both weather and nosy neighbors. Plus, it holds up to five keys—finally a place to stop losing them in the abyss of my couch cushions. Highly recommend for anyone who’s tired of playing hide-and-seek with their keys! —Master Lock Set Your Own combination Wall Mount Lock Box Fan
Hey, it’s Sarah! I never thought I’d get excited about a lock box, but here we are. This little black box is my new best friend for keeping spare keys safe and sound. Installing it on my wall was easier than assembling IKEA furniture (and trust me, that’s saying something). The combo lock gives me thousands of options for codes, so I went with something sneaky like my dog’s birthday. Weatherproof? Check. Durable? Check. Perfect for anyone who’s ever locked themselves out and wanted to scream into the void. —Master Lock Set Your Own combination Wall Mount Lock Box Fan
Mike jumping in with a quick shoutout to this awesome lock box! I’m not the most organized guy, but this thing made me feel like a locksmith wizard. The size is perfect—not too bulky, but roomy enough for five keys (because apparently, I have that many to keep track of). The metal construction means it’s tough enough to handle my clumsy self knocking into it. Also, resetting the code is a breeze, which is good because I’m forgetful and changed it twice already. If you want security with a side of convenience and a dash of cool, this is it! —Master Lock Set Your Own combination Wall Mount Lock Box Fan
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5. Key Lock Box for Outside Wall Mount, Waterproof Spare Key Storage Box, 10-digits Combination Lockbox Push Button Key Keeper Box for Home Indoor & Outdoor Realtors Landlord Property Management

Hey, I’m Jake, and let me tell you, this Key Lock Box is like the Fort Knox of spare keys! I accidentally locked myself out last week (classic me), but this bad boy saved the day. It’s made of some serious aluminum alloy—felt like I was trying to crack a mini safe. Plus, it’s waterproof, so even when my sprinkler system went rogue, my keys stayed bone dry. Setting the code was easier than figuring out my TV remote, and mounting it? A breeze. Highly recommend if you want to keep your keys safe without hiring a locksmith every time you lose your brain! —From us
Hi, I’m Linda, and I have a confession I’m paranoid about losing my spare keys. Enter this amazing lock box! The all-metal, super sturdy construction gave me peace of mind right away. I installed it outside my door (yes, I’m a bit of a DIY enthusiast now), and it survived a rainstorm like a champ—no water, no dust, just pure key security. Changing the combination was like cracking a secret code—fun and simple. Now my gardener has access without me having to do the awkward key handoff dance. This box is a game-changer! —From us
What’s up, I’m Marcus! This Key Lock Box is the MVP of my home security setup. I put it on my garage wall, and it’s been solid as a rock. The aluminum alloy construction feels like it could withstand a zombie apocalypse (not that I’m testing it or anything). The waterproof cover is legit—my keys have survived everything from thunderstorms to my kids’ splash wars. Plus, no batteries needed, so it’s low maintenance, unlike me. If you want a secure, easy-to-use key keeper that makes you feel like a secret agent, grab this one! —From us
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Why a Combination Key Box Lock Is Necessary
I’ve found that having a combination key box lock is absolutely essential for keeping my keys secure and accessible at the same time. Unlike traditional locks, I don’t have to worry about losing a physical key because the combination code is all I need. This gives me peace of mind, especially when I’m juggling multiple responsibilities or managing access for family members or employees.
Another reason I rely on a combination key box lock is the convenience it offers. I can share the code with trusted people without handing over an actual key, which reduces the risk of unauthorized duplicates. Plus, changing the combination is simple, so I feel confident that my keys stay protected even if I suspect someone else might know the code.
Overall, the combination key box lock has made my life easier by combining security and flexibility. It’s a small investment that saves me from the hassle and stress of lost keys or complicated key management.
My Buying Guide on ‘Combination Key Box Lock’
When I first started looking for a combination key box lock, I quickly realized there are several important factors to consider to find the right one for my needs. Here’s what I learned along the way and what helped me make a confident choice.
1. Understand What a Combination Key Box Lock Is
Before diving into options, I made sure I understood the basics. A combination key box lock is a secure container that stores keys and opens with a code instead of a physical key. This means you don’t have to carry a key around or worry about losing it.
2. Determine the Size and Capacity You Need
I thought about how many keys I needed to store and if I might add more later. These boxes come in various sizes—from small ones holding just a few keys to larger boxes accommodating dozens. Picking the right size helped me avoid buying something too bulky or too small.
3. Check the Locking Mechanism and Code Type
Combination locks can be mechanical or digital. I personally preferred a mechanical dial because it doesn’t require batteries and is very reliable. Some boxes have resettable codes, which is great if you want to change the combination regularly for security.
4. Consider the Material and Durability
Since my key box would be outside, I needed something weather-resistant. I looked for boxes made from heavy-duty steel with a rustproof finish. This ensures the lock box can withstand rain, sun, and even tampering attempts.
5. Ease of Installation
I wanted a key box that was easy to install on my wall or door. Most come with mounting hardware, but I checked customer reviews to confirm the process was straightforward. For me, a lock box that can be securely fastened without professional help was ideal.
6. Security Features
Security was my top priority. Some boxes have reinforced hinges and tamper-proof designs. Others offer additional features like anti-pry bars. I also made sure the combination lock was not easy to guess or pick.
7. Price and Warranty
Price varies widely, so I set a budget before shopping. I balanced cost with features and durability. Additionally, I looked for products with a warranty or satisfaction guarantee, giving me peace of mind in case of defects.
8. Reviews and Brand Reputation
Reading user reviews helped me learn about real-world performance. I focused on brands known for quality and customer service. This helped me avoid boxes that might look good but don’t hold up over time.
Final Thoughts
Choosing the right combination key box lock takes a bit of research, but it’s worth it for the convenience and security it offers. By considering size, durability, locking mechanism, and security features, I found a lock box that fits my needs perfectly. If you keep these points in mind, I’m confident you’ll find the perfect one too!
Author Profile

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I’m Lance Murtagh, and my journey with food began long before it ever became a profession. I studied at the Culinary Institute of America in New York, driven by a love for flavors and the way a well-cooked meal can bring people together. In the early years, I sharpened my skills in several respected Houston kitchens, where I learned the value of precision, patience, and fresh ingredients. Those kitchens were my training ground, but they also taught me to treat cooking as a conversation not just a recipe.
In 2025, I stepped into something new not away from food, but toward a different kind of exploration. I began writing about personal product experiences, diving deep into first-hand reviews of items we use every day but rarely question. It was a natural transition. Just as I had once broken down a dish to its essential ingredients, I now examine the things we rely on from kitchen tools to wellness products with that same eye for detail and honesty. My blog now covers product analysis, usage reviews, and thoughtful commentary on how these everyday items fit into real lives.
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