
Commercial · Ajax
Commercial-Grade Lock Replacement
Head office wants every branch keyed alike under one system, and half the locations are still running whatever lockset the original contractor happened to install years ago.
Call now · open 24/7(289) 275-3289In plain words
Commercial-grade lock replacement swaps hardware that is worn, damaged, mismatched or simply not rated for a business door with hardware built for that duty: a mortise lock body, a heavy cylindrical lockset, or a narrow-stile lock or hookbolt for an aluminum storefront door. The locksmith reads the door's construction, the traffic the opening takes, and any key or access-control system already running before choosing a replacement. New hardware is keyed into that existing system rather than left to stand on its own, so one business ends up with one coherent set of locks instead of a patchwork of whatever was fitted door by door over the years.
How the visit goesA new tenant moved into the unit next door, and the property manager just found three different cylinders on three doors, none of them cut to the same key.
Commercial-Grade Lock Replacement · Ajax
How the visit goes

- 1
Confirming who can authorize the work
Before any hardware is opened up, the locksmith confirms who is speaking for the business: an owner, a property manager, or a staff member the account recognizes as authorized to order and pay for the work. On a multi-tenant building this also means confirming which doors belong to which lease. This step exists for the same reason a home lockout starts with identification: a business's security is only as good as its record of who was allowed to change it, and a clear authorization at the start keeps that record clean.
- 2
Removing the old hardware cleanly
The existing lock, cylinder and strike come out without enlarging the door's mortise pocket or bore, since a clean prep is what lets the new hardware seat correctly. Any hardware that was previously mismatched to the door, an incorrect backset or a strike screwed in at an angle, is noted so the business understands why the last repair may not have held. The old hardware is set aside for the business to keep, dispose of, or use as a reference for other doors still running the same outdated lockset.
- 3
One key system instead of a patchwork
Where the visit brought hardware onto a shared master or interchangeable-core system, the business now has one coherent structure instead of a different cylinder on every door. A master key opens what it is supposed to, sub-master and change keys are limited to their own doors, and the key-control log reflects exactly who was issued what. The next time a lock needs attention, whoever handles it can read that log rather than guessing at what system, if any, the previous hardware belonged to.
In the van
- Mortise prep and installation tools
- Heavy-duty cylindrical lockset
- Hookbolt and deadlatch hardware
- Key cutting and coding machine
- Interchangeable-core cylinder
What affects the quote
- 1
Timing relative to a lease or renovation
Work scheduled around a tenant turnover, a renovation, or a building-wide upgrade across several units can be planned and quoted as a coordinated project rather than a series of separate calls.
- 2
Condition of the existing door and frame
A door and frame in good condition accept new hardware into the existing prep with little extra work. Damage from a break-in, a cracked frame or a previously mis-cut mortise pocket adds repair time the quote accounts for separately.
- 3
Key-control documentation
Setting up or updating a written key-control log, recording who holds which key and which doors share a system, is a small but distinct task the quote can name separately from the physical hardware work.
Same fees day, night or weekend.
Commercial-Grade Lock Replacement: questions
Can several branch locations be brought onto one master key system?
Yes, and it is a common request from businesses running more than one location. The locksmith works out a keying structure, a master for management, sub-masters per site or department, and individual change keys, then supplies cylinders across the locations that accept that structure. Keeping a record of the whole structure in one place is what makes it manageable afterward.
Do you replace hardware after an attempted break-in even if the door still locks?
Yes, and it is worth having it checked even when the door still appears to function. A cylinder that was drilled at, pried or struck can be weakened internally without showing it externally, and a bent strike or a cracked frame around the lock can let a door appear locked while offering far less resistance than it should.
Will replacing the lock affect my alarm or access-control system?
It can, if the door already carries a door position switch, an electric strike or a card reader, so the locksmith checks for that wiring before starting and reconnects and tests it alongside the new mechanical hardware. The goal is a door where the mechanical lock and the electronic system agree with each other rather than one working around the other.
Commercial-Grade Lock Replacement near you
Durham, Ontario
Ajax information
- Town
- Ajax, Durham, Ontario
- In business
- 29 years
- Hours
- Open 24/7 · nights, weekends and holidays, same fees
- Phone
- (289) 275-3289
- Visits
- On-site assessment preferred. Request a visit or call.
What the census means at the door
23%
Newer homes. About 23% of homes in Ajax were built in 1980 or earlier, according to the 2021 Census.
New homes frequently come with strikes held by short screws into soft framing. Replacing them with longer screws that reach the stud is inexpensive work that adds real strength, and it is one of the first things a locksmith checks in a newer area.
65%
Mostly houses. Single-detached houses make up about 65% of homes in Ajax (2021 Census).
Families in houses hand keys to children, cleaners, dog walkers and neighbours. A locksmith can set up a keypad on the side door for the household and keep the front door on a conventional key, so access matches how the family actually comes and goes.
Nearby
Open 24/7
Request a visit
Head office wants every branch keyed alike under one system, and half the locations are still running whatever lockset the original contractor happened to install years ago.
Call now · open 24/7(289) 275-3289- On-site assessment preferred
- Same fees day, night or weekend
- 29 years in business



