Hands fitting a dark metal door knob onto a white door with a screwdriver, a tool belt at the waist.

Technician fitting a steel door knob into a door beside a deadbolt, with an open tool bag of screwdrivers nearby.

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

Locksmith · Markham

Change or Rekey Locks

New keys for the locks you have, or new locks where the hardware has worn out: rekeying, replacement, deadbolts, smart locks and older mortise hardware.

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Which one do I need?

Every copy of your house key seems to work a little differently.Lock Rekeying
The back door has a deadbolt in name only: a short bolt, a thin brass strike held by two little screws, and a jamb you…Deadbolt Installation
Every morning the front door key needs the same little dance: push in, lift, wiggle, turn.Lock Replacement & Upgrade
The key turns freely in the round cylinder on the door, all the way around and back, without the bolt shifting at all.Vintage Mortise Lock Service
The kids get home before you do and the spare key has been lost twice this school year.Smart Lock Installation
Every time the courtyard gate closes, it slams hard enough to rattle the fence panels, and the deadlatch never quite…Gate & Building Entry Locks

Change or rekey

Change or Rekey Locks

The back door is often the weakest one on the house, with a hollow slab, a short bolt and a strike held by two small screws. Residential upgrades usually begin there, and this section explains what changes and why.