To get several copies of the same key in one go, bring one good source key, a firm count, and a note of who each copy is for. If the key is restricted or high-security, settle approval with whoever controls that key first and bring their details. Planned as a single request, the batch comes from one source and you are not coming back to fill gaps.
A batch is one request, not several single copies
Copies of one key match each other most closely when they are all cut from the same source key in the same order. So treat the batch as one planned request. Before you leave home, have these ready:
- One source key: the straightest, cleanest working key you have for that lock
- A firm number of copies, decided at home
- A short written note of who each copy is for
- For a restricted or high-security key, the approval or the name of whoever controls that key
What changes the request: the count and the type of key
The number of copies shapes everything after it, so pin it down first. Count people, not doors. Write down each person or role that will carry the key, such as household members, a dog walker, or the staff member who closes up. Add a spare only if it has a specific home, like a lockbox or a locked office drawer. A spare with no assigned place tends to wander, and a key nobody can account for is a gap in your control over that lock.
The second question is what kind of key you are copying. A standard key can usually be cut from any blank that fits the lock. A restricted key works differently: the blanks are controlled, and copies are normally made only for people the owner of that key system has approved. Many high-security keys fall into this group. If the key belongs to a building, an employer, or a property owner, the person who manages those keys is usually the one who can approve copies.
Raise restriction early. A whole batch can stall on that one detail. If you are unsure whether a key is restricted, say so at the start rather than after the count is settled.
For a staff door or shared entrance where the list of holders keeps growing, it is fair to ask whether keys are still the right tool. Access control systems manage who can open a door without cutting more keys.
Working through the batch at home
Pick one source key
Choose one key that opens the lock smoothly and use it for the whole batch. A copy reproduces its source, flaws included. If the source key is bent, chipped, or worn along its cut edge, that wear carries into all of the copies at once, and you end up with several keys that stick in the same spot. Whether the source should be the original or an older copy is covered in its own article. Here the point is to pick one and stay with it.
Check that the source key looks fit to copy
Hold the key at eye level and sight down the blade, the flat metal part that goes into the lock. The blade should look straight. The cuts along the edge should show clear peaks and valleys rather than rounded humps. Wipe off any grime. If the key looks bent or badly worn, deal with that before ordering several copies from it.
Settle the number and name the holders
Take the count from your list of holders, not a rough guess. Then give each copy a number and a name on paper: copy one for the front desk, copy two for weekend staff, and so on. That list stays with you and turns a pile of keys into something you can account for later.
What to hand over with the order
Keep everything for the order together:
- The source key you chose, as the only key to copy from
- The count, written down so it can't be misheard
- Your numbered note of who gets each copy
- Any spare keys to the same lock that you want compared, kept apart from the source
- A description or photo of the door or lock, if you are not sure which lock the key belongs to
- For a restricted key, the approval or contact details for whoever controls that key system
Describe the batch plainly: all copies from one source, cut in one order, matched to your numbered list. If one copy misbehaves later, you know who holds it and that it shares a source with the rest, which narrows down where the problem sits.
Try each new copy in its lock before handing it out. A key that turns smoothly at the door before it leaves your hands is one the holder won't have to bring back.
When to settle something before ordering the batch
Hold off on a batch if the key is unidentified, restricted, or damaged. Each of those needs an answer first, and ordering several copies before you have it multiplies the problem. Separate articles deal with keys you can't identify and keys that are bent or worn.
Upper East Locksmith, on the Upper East Side, offers key cutting and duplication, high-security locks and restricted keys, and commercial and storefront work for staff keys. To talk through a multi-copy request first, call Upper East Locksmith at (347) 444-9725.
Frequently asked questions
Is it better to order all the copies at once or a few now and more later?
Ordering all the copies of one key at once is usually simpler, because they come from the same source key in one order and match each other. Ordering a few now and more later also works, but the source key may wear in between and you will need it again. If you expect new holders soon, include them in the first batch.
Should each copy be labeled before I hand them out?
Labeling each key copy with a number or a colored tag, matched to your written list of holders, makes it easy to know who has which key. Avoid writing an address or unit number on the key itself, since a lost key with that label tells a finder where it goes. Keep the list somewhere separate from the keys.
What if I am not sure how many people will need a key?
When you are unsure how many people will need a key, order copies for the people you can name now and put the source key you used somewhere safe. Copying later from that same key keeps new copies consistent with the first batch. Ordering extras for people who may never need them only leaves loose keys you have to track.
Can I bring a property or business key if I am not the one who normally holds it?
If you are copying a property or business key you don't normally hold, check with the person who controls that key before ordering. For a standard key, that keeps their record of who has access accurate. For a restricted key, copies usually depend on that person's approval, so bring their name and a way to reach them.