Lock Change and Rekey on the Upper West Side: Which One Do You Need?

Rekey your locks when the hardware works well and you only need old keys to stop working. Replace them when the lock is worn, damaged, mismatched, or no longer the type you want. A rekey changes the pins inside the cylinder to fit a new key and leaves the lock in place. A replacement swaps the whole lock. Amsterdam Locksmith handles both jobs on the Upper West Side.

Rekeying changes the key, replacing changes the lock

The simplest rule: if the problem is who has a key, rekey. If the problem is the lock itself, replace it.

Most door cylinders hold a row of small spring-loaded pins, called pin tumblers. A key's cuts lift each pin to the right height so the cylinder can turn. Rekeying swaps those pins for a set that matches a new key. The lock looks the same from the hall, but the old key no longer lines the pins up. A replacement goes further and takes out the whole lock, so the hardware and the keys are both new.

What prompted the question usually points to the job

People ask about this after moving into an apartment or office, losing a key, or when a tenant or employee leaves without handing a key back. Those are key-control problems. The lock still works. The trouble is who can open it, and a rekey answers that directly.

A lock that grinds, sticks, or wobbles is a hardware problem. New keys won't fix worn parts, so a rekey on tired hardware just gives you fresh keys for a lock that still feels bad. When the trigger is how the lock behaves, lean toward replacing it.

Three ways to handle a lock change or rekey

Rekey the existing lock

The door and hardware stay exactly as they are. Old keys stop working and new ones are cut to the new pins. Several locks that share the same keyway, the shaped slot the key slides into, can usually be set to one key. That is called keying alike.

Replace with a similar lock

A new lock of the same type goes on the door, so the look changes little while both the hardware and the keys are new. This suits a worn or damaged lock whose style still fits the door.

Move to different hardware

A lock built to resist attack, or one that opens by code or phone, is a different job from a straight lock change. Amsterdam Locksmith handles those as separate services: high-security locks and smart locks.

How to read the lock you have now

A short look at the door tells you which way to lean, and nothing needs to come apart.

• Turn the key slowly. A key that drags, needs jiggling, or works only at one angle points to wear inside the cylinder.
• Close the door gently. The latch should drop into the strike, the metal plate on the frame, without you pushing or lifting the door.
• Wiggle the knob, lever, or deadbolt. Play you can feel, cracks, or bent parts lean toward replacement.
• Decide whether you want this type of lock at all. If not, rekeying it puts effort into hardware you plan to remove.

A latch that catches only when you lean on the door is often a door problem. A sagging door or a strike out of line with the latch will wear on any lock, new or rekeyed. Door repair is the service for that.

What to have ready before you call

• How many locks there are, and which doors they are on
• The type of each lock, such as a deadbolt, a knob or lever lock, or a mortise lock, which sits in a pocket cut into the door's edge
• Whether any lock is damaged, sticking, or not working
• Whether you want to keep the current hardware or change it
• How many keys you need, who should hold them, and whether several locks should share one key

Amsterdam Locksmith works with residents, property managers, and business owners on the Upper West Side and nearby in Morningside Heights, Manhattan Valley, and Lincoln Square, and is open 24/7. Call (917) 200-2978 with that list and the condition of each lock, and the first conversation can start with the right job.

Frequently asked questions

Will my old keys still work after a rekey?

No. After a rekey, the pins inside the cylinder match only the new key, so old keys will not turn the lock. An old key may still slide into the slot, since the keyway shape stays the same, but it won't open the lock. Copies held by a former tenant, roommate, or employee stop working too.

Can every lock be rekeyed?

Most pin tumbler locks can be rekeyed, but not every lock is worth it. A cylinder that is badly worn or corroded still feels rough with new pins, and some low-cost or unusual locks are not made to be repinned. For those locks, replacing the whole lock is the practical choice.

Should a property manager rekey between tenants or replace the locks?

Between tenants, the condition of the locks decides it more than the turnover does. If the locks work smoothly and match the rest of the building, rekeying cancels the outgoing tenant's keys and keeps the hardware consistent. If a lock is worn, damaged, or a different type from the others, replacing it at turnover is the better fit.