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Two people exchanging a key at an open front door, with a disassembled lock cylinder and small parts arranged on a cloth nearby. — Lost Keys — Same-Visit Rekey, Toronto
Person holding a removed black lock assembly beside a partly open brown front door with a long black pull handle. — Home Lockout Service, Toronto

Lockouts · Toronto

Lost Keys — Same-Visit Rekey

The renovation wrapped up in the spring.

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In plain words

A missing key is also the moment a household can stop carrying four. Because a rekey sets a fresh combination in every cylinder anyway, the locksmith can set the same combination in all of them, provided they share a keyway family, so the front door, back door, garage entry and side gate open with one key. Where a cylinder belongs to a different family, it can be swapped for one that matches during the same visit. The result is a single key on each ring, fewer copies to keep track of, and the certainty that the lost one operates none of them.

Sound familiar?

The spare under the planter by the side door is gone. Everyone in the family swears they did not take it, the planter has clearly been shifted, and you have no idea how long ago that happened.

How the visit goes

Lost Keys — Same-Visit Rekey

How the visit goes

Technician holding a key fob at a folding table with a tablet, loose fobs and a hard case beside a dark SUV.
Technician holding a three-button key fob at a workbench with a tablet, two spare fobs, a notebook and a pegboard behind.
  1. Which cylinders the key actually opened

    The locksmith walks the property with you and tries to think like the key. Front door deadbolt and handle, the back door, a side door, the door between the garage and the house, the shed, a gate padlock, a basement walkout, the door to a storage room or workshop. Each cylinder the missing key fitted goes on a list. Anything it fitted that is not yours to change goes on a second list: a shared lobby door, a parking gate, a community mailbox compartment, a workplace. The first list becomes the scope of the visit; the second becomes a set of calls you can make with the locksmith's help while the work goes on.

  2. Bringing every door onto one key

    When the household wants a single key, the locksmith pins each compatible cylinder to the same combination in turn, using the same cut key as the reference so nothing drifts between doors. A cylinder from a different keyway family is exchanged for one that matches, or the household keeps a second key for that door if they prefer. Where a home has a keyed garage entry, a shed and a gate on the same list, they follow the same process. The finished set is tried door by door with a single key, and the spare cylinders and old keys are gathered up so nothing that fits the old combination stays in circulation.

  3. One key on the ring

    If the house was keyed alike during the visit, the ring that goes back in your pocket is lighter. One key opens the front door, the back door, the garage entry and the gate. Each family member carries one thing instead of a jangle, and the question of which key goes to the dog walker has one answer. New doors added later, a shed or a workshop, can be pinned to the same code when they are installed. Guests and sitters find the arrangement easier too, and a single key is a good deal harder to lose than a bunch.

Lost Keys — Same-Visit Rekey

In the van

  • Pin tweezers and shims

  • Replacement cylinders

  • Dry graphite or PTFE lubricant

  • Cylinder retaining-clip and cap tools

  • Top pins and cylinder springs

Technician in safety glasses holding a steel deadbolt with a keyway beside a splintered door edge and a tool case.

Lost Keys — Same-Visit Rekey

What affects the quote

  1. Electronic credentials on the same ring

    Clearing a garage opener's memory and re-pairing remotes, changing keypad codes or helping report a building fob are small tasks the quote names separately.

  2. Number of keys cut

    New keys are cut on site and counted individually. Two for a couple or six for a household with teenagers and a sitter: name the number and the quote reflects it.

  3. Whether the doors can share one key as they are

    Cylinders from the same keyway family are pinned alike with no extra parts. A door from a different family needs a compatible cylinder swapped in if you want a single key, and that part is quoted separately.

What to have ready

  • Was anything with your address, such as a licence or a mail tag, lost with the keys?
  • Do you own the property, rent it, or manage it for someone else?
  • Is any lock a keypad, smart lock or homeowner-rekeyable type?
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Lost Keys — Same-Visit Rekey: questions

Questions
What about the mailbox key?

It depends on whose mailbox it is. A private box at your door or on your post is yours, and its small cylinder can be rekeyed or replaced in the same visit. A compartment in a community mailbox or an apartment mailroom belongs to the postal service or the building, which handles lost-key lock changes through its own process. The locksmith will tell you which you have and who to call.

Can I just have another key cut instead?

You can, and it solves being without a key. It leaves the lost one working, though, which is the half of the problem that keeps people awake. Rekeying takes about as much effort as a trip to a hardware store counter and ends with a new key in your hand and the old one retired. If the key was mislaid somewhere it will never be found and named nothing, a plain copy is a fair choice.

Do I have to prove I live here before you rekey?

Yes, and it is a step that protects you. A rekey changes who can open the door, so the locksmith confirms the person asking has the standing to decide: photo identification matched to the address for an owner, a lease or bill for a tenant, management records for a superintendent or property manager. Say on the phone what you have so the visit starts smoothly.

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