Storing spare keys safely at home and at work

Lockouts happen to careful people. A door swings shut with the key on the kitchen counter. A key falls through a gap in a dock. A jacket goes into the lake with the car key in the pocket. In each case, a spare turns an afternoon of trouble into a small bump in the day.

Spares also protect you from wear. A key that is used every day slowly loses its sharp edges, and a spare that stays in a drawer remains close to the original cut. If your main key wears out or breaks, you have a clean reference to copy from, rather than a tired key that makes every copy a little worse.

The challenge is that a spare key is also a risk. Anything that can open your door for you can open it for someone else. So the goal is not just to own a spare, but to store it where you can find it, and a stranger cannot.

There is a quieter benefit as well. When every household member knows there is a plan for a lockout, nobody panics. Children know who to go to, partners know where the spare lives, and the whole routine is less tense. A prepared household treats a lockout as a small errand, not an emergency, and that calm saves time and sometimes saves money too.

Before choosing a spot, think about who you are protecting against. For most households the realistic concerns are a casual thief who tries obvious hiding places, a former occupant or contractor who knows where a key used to be, and a visitor or neighbor who sees you retrieve it. Each one points to different choices.

Casual thieves look in the obvious places. They check under the doormat, in the planter, inside the fake rock and above the door frame. These spots became famous because they are easy, and that is exactly why they are poor choices. We cover this in more detail in our piece on hiding a key outside, and better options.

Former occupants and workers are a quieter risk. If someone once knew where the spare lived, assume they still do. Whenever a change in the household or a long stretch of repairs ends, move the spare, or rekey the locks, so old knowledge is worth nothing.

Think also about what you are storing. A single house key is one level of risk. A ring with a vehicle key, an office key and a gate key is another. The more a spare can open, the more carefully it should be kept. Treat a master or a full ring as something closer to a valuable than a convenience.

The most reliable place for a spare is inside your home, in a spot you remember and a visitor would not guess. A labeled hook in a closet, a small box on a high shelf, or a drawer that is not the junk drawer all work. Avoid putting a tag with your address on the key, and avoid labels like front door that tell a finder exactly what it opens.

The trouble, of course, is that a spare inside the house does not help when you are locked out of the house. So it pairs well with a second spare held elsewhere. Think of the home spare as a backup for broken or lost keys, and the outside spare as the answer to a lockout.

Keep spares for different locks separate from each other. If one drawer holds the house key, the vehicle key and the shop key, a single theft or a single bad moment exposes all of them. Spreading them out costs a little convenience and gains real safety.

A fireproof box or a small home safe can hold spare keys along with important papers. It is a sensible spot for a house spare, since it is already a place you protect. Keep the combination or key for that box somewhere separate, and make sure at least one other trusted adult knows how to open it in case you cannot.

Check your spares by actually trying them. A copy that was cut badly, or that has worn since it was made, may not open the door when you need it most. Once a year, walk to the door with each spare and make sure it turns smoothly. If a spare sticks, replace it with a cleaner copy.

For many households, the simplest answer to a lockout is a trusted friend, neighbor or relative who holds a spare. They live nearby, they know you, and the key is in a home, not under a rock. This works because the key is guarded by a person with a stake in your safety.

Choose that person with care. Pick someone reliable, who does not change address often and who will keep the key out of sight. Tell them that the key is only for you, and ask that they not label it with your name and address. Let them know when you change locks, so they can swap the old key for a new one.

Keep the arrangement fresh. Once a year, check in. Make sure the key is still there, still works, and is still in the hands of the right person. People move, relationships change and a spare that nobody remembers is a risk without a benefit.

For households with an older relative living alone, a spare held by a family member or a neighbor is often more than convenience. It lets someone check in during an emergency without breaking a door. Our note on easier locks for aging parents at home talks about this and about locks that are easier to use.

A key safe is a small, rugged box that holds a key behind a code or a combination. It can be mounted outdoors, and it lets you share access without handing over a physical key. Property managers, caregivers, vacation rental hosts and contractors use them often.

The strength of a key safe depends on the box and how it is mounted. A flimsy box on a screw that can be pried off is easy to remove. A sturdy box fixed into solid material, with a code that is not a birthday or an address, is much better. Change the code when a person no longer needs access.

Position matters. Mount the box where it is not in sight of the street, but where the person who needs it can find it. Remember that a key safe does not make the lock stronger, and in a rental or an HOA community, you may need permission to install one. Rules vary, so ask first.

Consider the surroundings when you mount one. A box that is exposed to snow, rain and sun needs a cover or a weather seal, or the code wheels can stiffen or freeze. In the mountain towns, a box that sits under a snowdrift is hard to reach just when you need it. Place it where snow does not pile up and where it gets a little shelter from the weather.

• Choose a sturdy box fixed into solid material, not a loose hanger.
• Use a code that is not a birthday, address or phone ending.
• Change the code whenever a person no longer needs access.
• Check with your landlord or association before mounting a box.
• Keep the box out of direct view of the street.

Car keys deserve their own plan. Modern keys often include a chip, a remote and a battery, which makes them more expensive and harder to replace than a plain house key. A spare that is stored at home is a good start. A spare that is stored inside the vehicle defeats the purpose, since it is gone when you are locked out and a gift to anyone who breaks in.

Magnetic boxes hidden under a bumper or wheel arch are a well known idea, and well known to thieves. They also fall off on rough roads and collect road grime. If you must keep a key with the vehicle, consider a simple metal blade key, if your vehicle has one, kept in your wallet or with a trusted person.

If you have lost every key, do not delay a replacement. We cover what you need to gather in lost every key, what to gather, and why a spare made now is easier than one made later in a spare key now versus later.

If you own more than one vehicle, label spares in a way only you understand. A small colored dot or a short number code on the bow, linked to a note in your records, tells you which key belongs to which vehicle without giving a stranger the same information. Do not write the plate number, the make, or your name on the key itself.

Properties that sit empty for long stretches need a clear key plan. A cabin near Lakehead or a second home in the mountains may be visited a few times a year. Spares may be held by family members, a caretaker or a property manager. Keep a written list of who holds a key, and look it over each season.

Vacation rentals add the problem of guests. A traditional key can walk away in a suitcase. Many owners use keypads or key safes with a code that changes between stays. Our guide on securing a vacation rental with keys and keypads explains the tradeoffs.

Hunting and fishing season bring extra visitors to the area, and cabin keys are often shared among friends. Our note on hunting season cabin access and key care offers ideas for keeping control of keys in that setting.

Seasonal workers, cleaners and maintenance crews are another group to plan for. Give each one a key that can be tracked, or a code that can be turned off, and collect the key or cancel the code at the end of the job. A key that wanders through several hands without a record is the one that causes trouble months later.

For a shop or office, spares need a record. Decide who may hold a key, number the keys, and keep a simple sign out sheet. A spare in the owner's desk drawer, with no record, is a risk the owner may forget about until something goes missing.

Store the master spare somewhere that needs two steps to reach, such as a locked cabinet or a small safe. Restricted keys that cannot be copied at a hardware counter are worth the extra step, since they stop casual copying. When staff change, make a habit of collecting keys, and rekey when a key cannot be accounted for. See key control for a small business at opening and closing.

Landlords and property managers have a similar need. A cabinet with numbered hooks, kept locked, gives you a way to check at a glance that every key is where it should be. A single missing hook tells you to act, rather than leaving a question hanging in the air.

Think about after hours as well. A manager who opens in the morning needs a key, and someone needs a spare in case the manager is ill. Decide in advance who that second person is, and write it down. A plan that is clear before the problem arrives avoids panic when a door will not open and a customer is waiting.

Never stamp or write your address on a key. If it is lost, the finder gets a key and a destination. A neutral tag with a phone number that is not yours, or a number code that only you understand, is safer. Better still, keep keys untagged and simply remember where each one is.

Be careful when copying. A good copy starts from a good original, so take your cleanest key to a trusted source, and ask that the copy be checked for smooth operation before you leave. If the key is stamped do not duplicate, treat that as a hint to make copies through the proper channel, not as a lock.

Keep a short list of what spare keys exist, where they are and who holds them. Update the list when something changes. The list can be a single page in a drawer. It will save a surprising amount of worry the day a key goes missing.

Consider restricted keys for the doors that matter most. A restricted key blank can only be copied through a controlled source, which makes it much harder for a stranger to make a duplicate at a counter. A locksmith can set up restricted cylinders on exterior doors, and you keep the right to make copies through the proper channel. The control is worth the small inconvenience.

If you hand out copies to family, remember that each copy is a decision. Write down who has one. When a household changes, such as a divorce, a grown child moving out or a roommate leaving, treat it as a signal to recheck who holds a key.

If you cannot find a spare, think through who could have had access, and how long it has been gone. A key lost in a place with no connection to your address is low risk. A key that disappears from a drawer in your home, or from a person who has left your life, is higher risk.

When in doubt, rekey. Rekeying changes the inside of the lock so old keys stop working, and it costs less than most people expect. Our page on rekeying explains what the job involves, and our walk through on rekeying or replacing helps you decide.

If you want help creating a plan for spare keys, send a note through the request form describing your home, vehicle or shop. We can suggest where spares make sense and cut copies from clean originals.

A missing spare is also a reminder to look at your whole key situation. Do you know how many keys exist for your front door? Do you know where each one is? If the answer is no, a rekey can give you a fresh count, and a new set of keys you control from the start. Many people find that a single rekey, followed by a simple list, brings lasting peace of mind.