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Three rectangular door-handle sets with keyholes in black, silver-colored and gold-colored finishes standing on a countertop. — Commercial Rekeying, Toronto
Hands holding a silver-colored lock cylinder and a brass-colored key above a workbench with padlocks, keys and tools. — Master Key System Design, Toronto

Commercial · Toronto

Commercial Rekeying in Toronto

Two people left over the summer and the keys they handed back came up one short.

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In plain words

Losing a master key exposes every door it opened, and a commercial rekey brings that exposure back to zero. The locksmith first works out which level the missing key sat at: a single change key affects one or two cylinders, while a master reaches every lock in its group. Only the affected cylinders are repinned, which keeps the rest of the system intact and the response proportionate. Where a keying chart exists the work is precise; where the chart has been lost, the visit begins by reading and recording the existing cylinders so the new plan starts from facts rather than memory.

Sound familiar?

You have just signed the lease on a unit the previous tenant ran for a decade. The landlord handed over three keys, the back door wears a padlock nobody can open, and nobody can say how many front-door keys are still out there.

How the visit goes

Commercial Rekeying

How the visit goes

Handheld diagnostic unit with a screen and buttons lying on a dirty car floor mat, cabled to a port under the dash. — Toronto
Wooden door with a dark lever handle and empty round bore, beside a deadbolt, latch, screws and screwdriver on a case. — Toronto
  1. Cores and restricted keys already on site

    Some businesses already have more key control than they realize. Figure-eight shaped cores in the levers point to an interchangeable core system, which means a control key somewhere removes the core without unscrewing anything; finding out who holds that control key, or whether it left with a former manager, shapes the whole job. Keys with an unusual profile or a stamped number may belong to a restricted keyway whose blanks are only supplied against a signed letter of authorization, and the locksmith asks who the signatories are. Knowing what is already in place lets the new plan build on it rather than replace it, and flags any control that has quietly lapsed.

  2. Retiring the old keys

    The job is finished when the old keys are proven dead, not when the new ones work. At every rekeyed opening the locksmith tries a sample of the old keys, including the master if one existed, and confirms that each one enters the keyway and turns nothing. The collected old keys are then cut through with snips in front of the manager and can be handed back as scrap or taken away. Any door deliberately left on its original key is written on the chart in plain words so nobody assumes it changed. That last check is what turns a day of brass work into a genuine reset of who can open the business.

  3. How copies get made from now on

    If the business moved to a restricted keyway, the way keys are copied has changed for good. Hardware stores and kiosks do not stock the blanks, which makes running off a spare on a lunch break far harder to arrange. New keys are ordered from the locksmith by one of the people named on the authorization letter, who signs for them, and the register grows by exactly that many. On a standard keyway, the same discipline is kept by habit: the manager orders keys, the register records them and a key that turns up unlisted prompts a question. Either way the count on paper and the count in the world stay the same, which is what key control means.

Commercial Rekeying

In the van

  • Master pins

  • Cylinder removal and spanner tools

  • Mortise cylinder set screws and cams

  • Key stamp set and tags

  • Code key machine

Technician holding a three-button key fob at a workbench with a tablet, two spare fobs, a notebook and a pegboard behind. — Toronto

Commercial Rekeying

What affects the quote

  1. Upgrades chosen on the day

    Some businesses use the visit to move to interchangeable cores, add a lockbox for the alarm company or fit a heavier cylinder on the cash room. Each is a separate line you can accept or leave.

  2. Landlord and base-building coordination

    Suite doors that must accept both your key and the landlord's master, or work that needs the property manager on site, add coordination the quote allows for.

  3. No existing chart or keys

    When nobody knows what the current keys open, the locksmith reads and records each cylinder before planning the new keying, and that reconstruction is time in the quote.

What to have ready

  • Are any cylinders stiff, loose or hard to turn at the moment?
  • When is the premises quiet or empty enough for the work?
  • Are any of the locks interchangeable cores, and where is the control key?
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Commercial Rekeying: questions

Questions
Does stamping keys 'do not duplicate' stop people copying them?

Not reliably. The stamp is a request, and any key on a standard blank can be copied by anyone with the blank and a machine. What does work is controlling the blank itself through a restricted keyway, or controlling access to the lock through interchangeable cores and a tight register. Stamping still has a place: a serial code on each key, instead of the business name, lets you track it without telling a finder where it fits.

Can all our doors be put on a single key?

Yes, if the cylinders share a keyway or can be fitted with ones that do. Keying everything alike is popular with small shops because staff carry one key and spares are simple. The trade-off is that one key then opens the cash room as readily as the front door. Many businesses choose a middle path: the doors everyone uses on one key, the sensitive rooms on another, and an owner's master that opens both.

What is the difference between rekeying a business and replacing its locks?

Rekeying keeps every lock on the door and changes only the pins inside the cylinder, so a new key works and the old ones stop. Replacing swaps the hardware itself. Commercial cylinders are made to be repinned many times, so rekeying suits any lock in sound condition and leaves the levers, trim and door untouched. Replacement is chosen door by door for cylinders that are worn, corroded or too light for what they protect.

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