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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, Oshawa
Person holding a removed black lock assembly beside a partly open brown front door with a long black pull handle. — Home Lockout Service, Oshawa

Lockouts · Oshawa

Lost Keys — Same-Visit Rekey

Your purse was taken from the back of a chair at a restaurant.

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In plain words

When a key disappears, cutting yourself another copy solves the wrong half of the problem. You can get in again, but so can whoever finds the original. A same-visit rekey turns that around: the locksmith works through each cylinder the missing key operated, fitting new bottom pins on a conventional lock or resetting a homeowner-rekeyable one through its own procedure, and refits the lock to the door. The lost key still slides into the keyway but no longer lifts the pins to the right height, so it turns nothing. You leave with fresh keys cut on site and the same locks you already had.

Sound familiar?

A roommate moved out on bad terms and says the key was left on the counter. It was not. You have already changed the Wi-Fi password, but the front door still opens for a key that could be anywhere.

How the visit goes

Lost Keys — Same-Visit Rekey

How the visit goes

Person in a green cap holding a brushed-metal deadbolt against a dark door while a yellow drill rests below it.
White door with a black keypad deadbolt and knob, beside a towel holding a lock body, latch, screwdriver and a tool bag.
  1. Reading each cylinder before it comes off the door

    Every cylinder on the list gets a close look while it is still in the door. The keyway shape and the maker's stamp tell the locksmith which pin kit fits and whether the keys can be cut on the van. The feel of the plug with a working key, if one exists, says whether the pins and springs are healthy or tired. Corrosion on the face, a wobbly plug or a key that needs a jiggle points to a cylinder that will benefit from cleaning or replacing while it is out. A homeowner-rekeyable cylinder, recognisable by its small reset slot beside the keyway, calls for a different tool and gets noted.

  2. Setting a new combination pin by pin

    On a conventional pin-tumbler cylinder, with it on the bench, the plug is turned slightly and a follower is slid in behind it so the springs and top pins stay in the housing rather than scattering. The plug comes out and the old bottom pins are tipped away. The new key is cut first, then a pin whose length matches each cut is dropped into the corresponding chamber, checked flush with a gauge, and the loaded plug is guided back under the follower. The plug should turn with a light, even feel and no catch. If it drags on one chamber, that pin is sized again before anything goes back on the door.

  3. The code written down for next time

    The new combination is recorded as a short code, either on a card the locksmith gives you or on the key tag, and a copy stays in the locksmith's job notes if you wish. That code is what makes future copies accurate: a key cut to code has fresh, original depths, while a copy of a worn key inherits every rounded edge. It also means a lost key years from now is met with a different code, never a repeat. Keep the card with the house papers, and when a new key is needed, ask for it to be cut from the code rather than traced from a tired one.

Lost Keys — Same-Visit Rekey

In the van

  • Cylinder retaining-clip and cap tools

  • Key blanks in common keyways

  • Pin tweezers and shims

  • Code key machine

  • Dry graphite or PTFE lubricant

Technician holding a small key fob at a bench with a key-cutting machine, loose keys, and a motorcycle and scooter behind.

Lost Keys — Same-Visit Rekey

What affects the quote

  1. Getting to each cylinder

    Doors spread across a large lot, a suite up several flights behind a locked lobby, or a gated property with a padlock at the road add walking and waiting time that the quote allows for.

  2. Outbuildings, gates and padlocks

    Sheds, gates and detached garages often carry padlocks or light cylinders. Bringing them onto the house key may mean a new padlock of a matching keyway, quoted as a part.

  3. Upgrades chosen during the visit

    Some people take the moment to move to a heavier deadbolt, a restricted keyway, a reinforced strike or a lockbox for the spare. None of it is required; each option is a separate line.

What to have ready

  • Have any of the locks been stiff, sticky or hard to turn lately?
  • Do you currently have a way inside, or are you locked out as well?
  • Was a garage remote, building fob or car key on the same ring?
Call (289) 274-8033

Lost Keys — Same-Visit Rekey: questions

Questions
How long does a whole-house rekey take?

Plan on an hour or two for a typical house with three or four cylinders, including the walk-through, identification, pinning, cutting and testing. Each additional cylinder adds a little, as does swapping a cylinder to bring a mismatched door onto the same key, resetting a homeowner-rekeyable lock or clearing a garage opener. The locksmith gives a realistic window on the phone once the list of doors is known.

A garage door remote was on the ring. What happens with that?

The opener on the garage ceiling holds a memory of every remote paired to it, and it can be erased in one step so the lost remote is forgotten. The remotes still in the household are paired again afterwards, and a keypad on the outside of the garage gets a new code if you have one. The locksmith can do this during the visit, and it takes only a few minutes at the opener.

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.

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