Tenant Guide
A safe deposit box is the one lock most people cannot simply call a locksmith about. The box sits inside a bank, the bank controls the process, and the sequence that follows a lost key is more structured than most people expect.
A safe deposit box normally uses two keys. The bank holds a guard key and you hold the renter's key, and both are required to open it. Neither works alone, which is the entire design.
That means the bank is a necessary party. A locksmith cannot open a box in a bank vault on a customer's instruction, because the box is in the bank's custody and the bank has its own obligations to the renter and to anyone else with an interest.
Banks also typically do not hold a spare renter's key. They are not withholding it; the system is built so that no copy exists. If your key is gone, there is no second one to issue.
This is a feature rather than an inconvenience. The same design that makes a lost key difficult is what prevents someone else opening your box.
Notify the bank in writing as soon as you know. Most agreements require it, and the clock on fees generally starts from notification.
Expect to prove identity thoroughly, and expect it to be stricter than an ordinary counter transaction. Where the box is held jointly or by an estate, every party with an interest usually has to be accounted for.
The bank arranges for the box to be drilled, normally by a specialist it selects rather than one you choose. You are usually required to be present, and the contents are inventoried as they are removed, often with a witness.
The renter pays. Drilling, a replacement lock and new keys are normally charged to the box holder under the rental agreement, and the box is re-locked with new hardware before being returned to service or closed.
Timescales vary by institution and are rarely immediate. If you need the contents by a particular date, say so at the point of notification rather than assuming.
When the box holder has died, access is governed by estate rules rather than by family consensus. The bank will generally require documentation showing who has authority over the estate before granting access, and in some circumstances the contents are inventoried under supervision.
This frustrates families who need a will that is itself inside the box. It is worth knowing in advance, which is the main argument for not storing the only copy of a will in a safe deposit box.
Joint holders usually retain access in their own right, but the bank will confirm the account terms rather than take it on trust.
Not for a bank box, but for the things people confuse with one. A private safe at home or in an office, a deposit safe in a retail unit, or a strongbox inherited with a property are all work a locksmith who specialises in safes can carry out for the lawful owner with proof of ownership.
In those cases non-destructive opening is frequently possible, and it is worth asking for before anyone reaches for a drill. A drilled safe is damaged and, where contents are being inventoried for an estate, a clean opening is easier to account for.
If you are unsure whether what you have is a bank box or a private safe, the test is simple: if it lives inside a bank's vault, the bank controls it.
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No. The box is in the bank's custody and normally requires both the bank's guard key and your renter's key. The bank arranges drilling through a specialist it selects.
Normally no. The system is designed so that no copy of the renter's key exists, which is also what prevents anyone else opening your box.
The renter, under the rental agreement. The charge typically covers drilling, a replacement lock and new keys.
Access is governed by estate rules. The bank will usually require documentation showing authority over the estate, and contents may be inventoried under supervision.
Yes. A private safe at home or in a business can be opened for the lawful owner with proof of ownership, and non-destructive opening is often possible, which is worth requesting before drilling.