
Change or rekey · Markham
Lock Rekeying
Your basement tenant has given notice, and a new one arrives on the first. The lock on the separate entrance works perfectly well.
Lock Rekeying
In plain words
The choice between rekeying and replacing comes down to the condition of the lock and what you want from it. A cylinder that turns smoothly, sits firmly in a solid deadbolt and matches the look of the door is worth keeping, and rekeying gives it a new key for a fraction of the effort of replacement. Replacement earns its place when the hardware is worn, low grade, damaged, a mismatched keyway that cannot join the house key, or when you want a keypad or a heavier deadbolt anyway. A locksmith looks at each door and tells you which one applies.
How the visit goesOne key for the front door, another for the back, a third for the side door into the garage, and a fourth for the shed. You stand on the step every evening flipping through them in the dark, trying each one until something turns.
Markham
How the visit goes
Doors that belong to someone else
A few openings around a home are not the occupant's to change, and sorting them out early avoids awkwardness later. In a condominium, the lobby, the garage, the locker room and the mailroom are the corporation's doors, and the suite door itself may need to remain on a system the building can access in an emergency. In a rental, the landlord has a say and must be given a key. A shared side entrance in a semi-detached or a duplex serves two households. The locksmith asks about each of these, confirms who needs to agree, and keeps them separate from the doors that are plainly yours.
Cutting the new key and gauging the depths
On this cylinder type, the new key comes first, then the pins to match it. The locksmith cuts a fresh key from a blank on a code cutter or duplicator, choosing a combination that is not close to the old one, and reads each cut with a key gauge to find its depth on the manufacturer's scale. Bottom pins of the matching lengths are picked from a graded pin kit and dropped into the plug chamber by chamber, so that when the new key is inserted every pin top sits exactly at the shear line. A key cut from a clean blank and pins matched to it by gauge is what gives a rekeyed lock that crisp, new feel.
Handing keys out with a little method
Rekeying gives you a clean start on who holds a key, and a few habits keep it clean. Give a key only to people who need one regularly, and know who they are. If a dog walker, a cleaner or a contractor needs access for a season, a lockbox with a code you can change afterwards is simpler than a key you have to ask for back. Tag spares with a colour or a number rather than the address. When a key does leave your control, a lost ring, a departing tenant, a relationship that has ended, that is the trigger to rekey again, and the next visit is simpler because the doors are already on one system.
Lock Rekeying
In the van
- Reset tool for user-rekeyable cylinders
- Pinning tweezers and tray
- Cylinder shim
- Key tags and keying record
- Replacement cylinder for odd keyways
What affects the quote
Same fees day, night or weekend
1Access to each door being rekeyed
A rekeying visit goes smoothly when every door is reachable without delay: an empty unit, a cleared hallway, or someone available to let the locksmith into each room. Locked common areas, tenants who are out, or furniture blocking a cylinder all add time the locksmith accounts for on site.
2Records, tags and labelled key sets
A homeowner needs a short note. A property manager may want a keying chart, tagged sets for each suite and a key-issuance log, which is more office work and is quoted as such.
3Mismatched keyways needing a cylinder swap
Where one door's cylinder cannot take the key the other doors share, a compatible replacement cylinder is fitted and pinned to match, and that hardware appears as its own line in the quote.
Lock Rekeying: questions
Can all my doors be made to work with one key?
Usually, yes. Where the cylinders accept the same style of key blank, each can be pinned to one new combination, so a single key runs the front, back, side and garage doors. A lock from a different keyway family is brought into the group by exchanging its cylinder for a compatible one in the same finish. During the first walk around the property the locksmith reads every keyway and tells you up front which doors can be keyed alike.
Can a smart lock or keypad deadbolt be rekeyed?
The mechanical part of it can. Many keypad or app-controlled deadbolts hide a small keyed cylinder under a cap for the day the batteries fail, and that cylinder can be pinned to your house key so the backup key on your ring is the same one that opens the other doors; some models are key-free and rely on an external battery backup instead. Codes are a separate matter: the locksmith will suggest deleting any code belonging to someone who no longer needs access at the same time.
What should I have ready before the locksmith arrives?
A list of the doors you want included, a working key for each lock if you have one, and a clear idea of whether you want everything on one key or some doors kept separate. Have your identification and something tying you to the address handy. If you rent, have your landlord's agreement ready to mention. Knowing roughly how many new keys the household needs saves a second trip to cut more.
Change or Rekey Locks

- Lock Replacement & UpgradeEvery morning the front door key needs the same little dance: push in, lift, wiggle, turn.
- Vintage Mortise Lock ServiceAfter a wet summer the entry door sits lower in its frame.
- Smart Lock InstallationYou have just taken possession of the house and the previous owners handed over a keypad deadbolt…
Lock Rekeying near you
Below, each lock and key service we offer in Markham gets its own page, with a description that assumes no prior knowledge. Start anywhere. Many customers arrive for a lockout and leave knowing exactly why the strike plate on the back door has bothered them for years.