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A colleague showed you a video of a lock being opened with a bump key in a few seconds. Then you went home and noticed your own deadbolt is the same style, bought at a hardware store a decade ago.

Safely, right now
Safely, right now
Safely, right now
Safely, right now
A door that latches on the first push, a deadbolt that throws fully, a key that slides in without a wiggle: these are small things that add up to a home that feels secure. We fuss over them so you do not have to.
Same fees day or night · 12 years in business
The fix, explained · Mississauga
The fix
Different locks call for different openings, and a lockout visit starts by reading the hardware on your door. A spring latch in a knob or lever behaves differently from a deadbolt, a mortise lock in an older home has its own internals, and a high-security cylinder resists shortcuts that work on builder-grade hardware.
The fix
Authority for a business is a question about the company, not just the individual at the door. An owner shows identification and something connecting them to the premises, such as the lease or the business registration.
The fix
Freezing is one of the bigger seasonal causes of broken keys here. Meltwater runs into the keyway during a thaw and freezes overnight, so the plug is locked in ice, and most people respond by turning harder.
The fix
Break-in damage lock repair is the visit that turns a forced door back into a locked one. The locksmith first confirms you own, rent or manage the property, then looks at everything the attack touched: the lock, the bolt, the strike plate and wood behind it, the door edge, the hinges and any glass beside the door.
Call (289) 805-7422Request a visit Break-In Damage Lock Repair
The fix
Most seized locks can be saved, and keeping your existing hardware is the aim. A cylinder that has stopped turning is usually recoverable with cleaning and fresh internal parts.
Call (289) 805-7422Request a visit Seized & Jammed Lock Opening
The fix
A missing key is also the moment a household can stop carrying four. Because a rekey sets a fresh combination in every cylinder anyway, the locksmith can set the same combination in all of them, provided they share a keyway family, so the front door, back door, garage entry and side gate open with one key.
Call (289) 805-7422Request a visit Lost Keys — Same-Visit Rekey

We keep a proper stock on the van, and that shapes how a visit goes. Cylinders in the common finishes, strikes, pins, blanks for the keys most houses around here use, closer parts and padlocks all ride with us, so most repairs are done with what is already on the shelf rather than something ordered in.
Applewood Acres, Cooksville, Fairview, Lakeview, Mississauga Valley, Port Credit and Shep
Time to understand first. We do not start work until you understand what we found. That might take two sentences or a longer chat; either is fine.
A quiet, careful approach. Locks are opened and fitted with patience rather than force wherever the design allows. Your door and frame matter as much as the lock.
Everything tested, everything explained. Before leaving we run through each lock and key with you, show you anything new and leave a note of what was done.
Let's sort out your door: (289) 805-7422
Locksmith services
We would rather you knew what a service involves before you book it. That is why every page below walks through the checks, the work and what you are left with afterwards, in plain language, with no assumption that you already know the names of the parts.
LockoutsLockout ServicesSome callers apologise for phoning about a lockout.Services Some callers apologise for phoning about a lockout. There is no need. Locking yourself out is ordinary, keys snap because brass wears, and locks jam because weather and time act on them.
EmergencyHome Lockout ServiceYou reached the front step with the groceries, patted every pocket twice, and the house key is simply not there.
EmergencyBusiness Lockout ServiceThe heavy glass door has been scraping the threshold for weeks.
EmergencyBroken Key ExtractionThe key went in like any other morning, you turned it, and something gave with a small metallic click.
EmergencyBreak-In Damage Lock RepairSomeone smashed the little window beside the door, reached in and turned the thumb-turn.
EmergencySeized & Jammed Lock OpeningThe shop's lever handle goes down as usual, but the latch inside the mortise case never pulls back.
EmergencyLost Keys — Same-Visit RekeyYou were shovelling the driveway after dark and the ring must have slid out of your coat pocket somewhere under a metre of snow.
Change or rekeyChange or Rekey LocksResidential services cover the whole life of a house: settling in, changing tenants, replacing worn locks, adding a smart lock, sorting out a stuck…Services Residential services cover the whole life of a house: settling in, changing tenants, replacing worn locks, adding a smart lock, sorting out a stuck mailbox and making sure the garage side door is as solid as the front.
High securityHigh Security LocksOrdinary locks keep out the curious.Services Ordinary locks keep out the curious. High security locks keep out someone who has decided to get in and has tools. The difference lives in four places: cylinder, bolt, strike and key, and each is explained here in plain terms.
CommercialCommercial LocksServices here appear in the order a business tends to need them: a lockout or a lost key first, then rekeying, then a master system, then exit…Services Services here appear in the order a business tends to need them: a lockout or a lost key first, then rekeying, then a master system, then exit hardware and access control as the premises grow and the staff list lengthens.
Car keysCar KeysTwo keys for every vehicle is the sensible number.Services Two keys for every vehicle is the sensible number. When you have one, a spare is straightforward to clone or program. When you have none, every step is harder.
Bigger photo, sooner job: Emergency Book soon Plan ahead
Sound familiar?

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A colleague showed you a video of a lock being opened with a bump key in a few seconds. Then you went home and noticed your own deadbolt is the same style, bought at a hardware store a decade ago.
2 / 3
The brass handleset has gone blotchy and green where the winter salt reaches it, and the coating on the deadbolt is lifting in flakes. It still locks, but it looks tired beside the fresh paint on the door.
3 / 3
Your roommate moved out last weekend. Rent is settled, the room is empty, and the key is still on their ring. You trust them, but the lock on your front door should answer to the people who actually live here.
ThenFrame repair, a new strike and a fresh cylinder.
The wood is rebuilt before new hardware goes in, so the door locks tonight.
ThenRekey every lock those keys operate.
Anything those keys open needs new pins: house, garage and shed, and a taken car key should be deprogrammed.
ThenA security check of that door and the others.
We look at what held and suggest reinforcements that make a second attempt pointless.
Freezing is one of the bigger seasonal causes of broken keys here.
ThenBreak-In Damage Lock Repair.
Break-in damage lock repair is the visit that turns a forced door back into a locked one.
ThenSeized & Jammed Lock Opening.
Most seized locks can be saved, and keeping your existing hardware is the aim.
Open 24/7 in Mississauga
Cooksville Locksmith Co.
Job ticket · open 24/7
1 Call
Describe the property, the hardware and what has changed, and the visit starts from what you have seen.
(289) 805-7422 · open 24/7
2 Questions
Who comes and goes, whether you want codes or phone access, how the door is used in winter. The answers shape which lock suits you and how it should be set up.
3 On the way
Mississauga to Applewood Acres, Cooksville, Fairview, Lakeview, Mississauga Valley, Port Credit and Shep.
4 Fixed
Fitting it to the door. We check the door alignment before mounting anything, because a smart lock needs a door that closes freely. Then we install, wire or pair it and set the first codes with you.
Showing you the controls. We walk through adding and removing codes, changing batteries and what to do if the electronics ever sulk. You leave able to manage it yourself.
Same fees day, night or weekend · on-site assessment preferred
Peel, Ontario
38%
Homes of every age. About 38% of homes in Mississauga were built in 1980 or earlier, according to the 2021 Census.
In an area of varied housing ages, rekeying is the one job that fits every door. Old cylinders and new ones both take fresh pins, so a household moving into either kind of home can start with keys that nobody else holds.
37%
Single-detached houses make up about 37% of homes in Mississauga (2021 Census).
Attached housing turns over more often than detached, so rekeying between tenants or owners is a constant. Because suite doors tend to be standard, the job is usually a straightforward pin change and a fresh set of keys cut on site.
On a door people leave through while the building is occupied, the door needs to open from inside with one motion and no key, so a key-both-sides bolt is not the right tool there. Security is added instead with a heavy-duty exit device and a reinforced strike, a keyed trim outside, an alarm contact, or a door position sensor on the access system, all of which keep the way out clear.
It depends on the hardware and what else is wired to it. A standard storefront cylinder or office lever on a well-hung door is often a short job once authority is confirmed. A high-security cylinder, a frozen lock, a dropped door or a dead access controller adds time, and so does rekeying several doors afterwards. The locksmith gives you a realistic idea on the phone once you describe the door and the situation.
Yes, and it makes the visit smoother. The alarm station is told an entry is expected and the authorised person handles the disarm and password. For access control, the provider can often confirm the controller's status, unlock a magnetic lock remotely, or re-enrol fobs once you are inside, while the locksmith handles the mechanical side and the override cylinder. Nobody's wiring is cut; each party does the part it is set up to do.
Not at all. Homes are the most common place they are fitted, especially after a move, a break-in nearby, or the realisation that too many keys have been handed out over the years. A graded deadbolt with a patented cylinder and a reinforced strike is a modest, quiet upgrade for a front or side door. Businesses tend to go further, with laboratory-rated cylinders, heavy lock bodies and a documented key system across many doors.
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Call and tell us about the door.
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What is the door doing?
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