Maple GUARD SECURITY MISSISSAUGA
Locksmith Service

Residential Locksmith Services in Mississauga & the Mississauga area

When you're standing on your porch in Port Credit realizing your keys are on the kitchen counter, or you've just closed on a townhome in Churchill Meadows and want the previous owner's keys to mean nothing, you need a home locksmith who actually shows up. Maple Guard Security Mississauga runs a 24/7 mobile service across the city, from Erin Mills and Meadowvale to Streetsville, Clarkson, and the neighbourhoods around Square One. Our trained, insured technicians come to you in fully stocked vans, so most residential work — including how to rekey a lock the right way — happens in a single visit.

Open 24 hours, 7 days a week · Licensed, bonded & insured

This page walks through the real residential situations we handle every day: emergency entry when you're locked out of your house, changing or rekeying locks after a move, upgrading to a smart lock or a modern mortise lock, and hardening entry points that burglars actually test. We don't quote scare prices or push work you don't need. Instead, we explain the factors behind a fair, up-front quote and confirm the exact price before we touch a single cylinder.

Local & Mobile
Based in Mississauga, ON
Insured Technicians
Background-checked pros
24/7 Service
Day, night & weekends
Up-Front Pricing
Clear quote before work starts

What we do

Mortise Lock Specialists

We repair, rekey, and replace mortise locks common in older Port Credit and Streetsville homes.

Door Knob & Deadbolt Swaps

Upgrade worn door knob locks to Grade 1 deadbolts sized for standard GTA door prep.

Condo-Board Approved

Hardware and finishes that meet Mississauga condo corporation and insurance requirements.

Same-Day Rekeying

New homeowner? We rekey every exterior lock so old keys stop working the day you move in.

Locked out of your house? What our emergency locksmith actually does — Maple Guard Security Mississauga

Locked out of your house? What our emergency locksmith actually does

Being locked out of your house is stressful, but it's rarely an emergency in the dangerous sense — and that matters, because it means you have time to make the smart call rather than the destructive one. Before you do anything, do a quick loop of the property: check back and side doors, a garage entry, unlatched ground-floor windows, and any spare key you may have left with a neighbour or in a lockbox. If you're locked out of your house with no key and none of that works, that's when a professional entry saves you money and a broken door.

When our emergency locksmith arrives, the first thing we do is confirm you have the right to enter — a piece of ID with the address, a lease, or a utility bill keeps everyone honest and protects your home. From there, our goal is damage-free entry wherever the hardware allows, whether it's a standard door knob lock, a deadbolt, or a heavier mortise lock on an older Mineola or Lakeview home. We carry the tools and picks to open most residential cylinders without drilling; drilling is a last resort we only reach for on high-security or seized locks, and we tell you before we do it.

What to do if you're locked out of your house is simple: stay safe, don't try to force a window or climb where you could fall, and call us. Our home lockout service is available around the clock, and because we're mobile and local, response times to most Mississauga addresses are short. Locked out of the house at 3 a.m. in Cooksville? Call (289) 779-3062 — we answer 24/7 and dispatch the nearest technician.

Lock grades explained (Grade 1 to 3) and which doors need which — Maple Guard Security Mississauga

New-home security audit: what to change after you move in

Closing day is exciting, but the truth about a resale home is that you have no idea how many keys are floating around out there — previous owners, their kids, contractors, dog walkers, the cleaning service. That's why a lock change or a full rekey should be near the top of your move-in checklist. A rekeying resets every exterior door so old keys stop working, giving you a clean slate without necessarily replacing hardware you like.

Our residential security audit goes further than the front door. We inspect the back and side entries, the door between the garage and the house (frequently the weakest link, since it's often just a builder-grade knob), patio slider locks, and any basement or secondary suite access. In many Mississauga subdivisions — the newer builds around Churchill Meadows and Lisgar, for instance — we can key several exterior doors alike so one key runs the whole house, which is both convenient and safer than hiding spares outdoors.

We also flag anything that's worn, misaligned, or under-specced for the door it protects. A strike plate held by short screws, a deadbolt that doesn't fully throw, or a hollow strike box will all fail under a shoulder before the lock ever does. If you'd rather sort this before your first night in the new place, call (289) 779-3062 and we'll schedule an audit around your move.

How to rekey a lock, and when a full lock change makes more sense — Maple Guard Security Mississauga

Lock grades explained (Grade 1 to 3) and which doors need which

Residential locks are graded 1, 2, and 3 based on how many operating cycles and how much force they withstand in standardized testing. Grade 3 is the entry-level residential standard you'll find on many big-box shelves; Grade 2 is a meaningful step up in durability and security; and Grade 1 is commercial-strength hardware built to take abuse and heavy daily use. Knowing the grade tells you far more about real-world protection than the finish or the price tag.

For most homes, we recommend at least a Grade 2 deadbolt on every exterior door, with a Grade 1 upgrade on the primary entrance and any door hidden from the street — a side door behind a fence or a back door facing a ravine, common on the leafier lots near the Credit River. Interior privacy sets and a bathroom door knob lock can safely stay Grade 3, since they're about privacy, not security. Matching the grade to the door's exposure is where a lot of DIY setups go wrong.

This is also where the mortise lock earns its keep. A mortise lock installs into a pocket cut into the door edge, giving it far more strength and a longer service life than a bored cylindrical lockset. We service, repair, and install mortise hardware on century homes in Old Streetsville and Port Credit as well as on modern doors that use a mortise smart lock — and because the pocket cut is precise work, it's worth having a skilled technician handle both the retrofit and the alignment.

Locked out of your house? What our emergency locksmith actually does — Maple Guard Security Mississauga

Smart lock ecosystems: compatibility, installation and setup

Smart lock installation is one of our fastest-growing residential requests, but the right product depends entirely on your door and your household. Keypad deadbolts are ideal if you want to ditch spare keys for the cleaners or the kids; Wi-Fi and Bluetooth models let you grant and revoke access remotely; and a mortise smart lock suits heavier doors and multi-point systems where a standard bored lock won't fit. We help you pick hardware that matches your existing prep so we're not carving up a door unnecessarily.

Compatibility is the part people underestimate. Backset, door thickness, bore size, and whether you run Apple Home, Google, Amazon, or a standalone app all change what will work. We install and configure popular Schlage and Kwikset smart deadbolts along with mortise-style smart hardware, calibrate the auto-lock and door-sensor features, and walk you through setting up user codes and app access before we leave. A smart lock that isn't set up correctly is just an expensive way to get locked out.

We'll also give you an honest read on when a smart lock isn't the right move — a warped door, a poorly aligned strike, or an unreliable Wi-Fi zone in a lower-level entry can all cause frustrating false failures. If you're weighing options for a keypad, a mortise smart lock, or a hybrid setup that keeps a physical key as backup, our technicians will match the ecosystem to your home rather than sell you the flashiest box.

Lock grades explained (Grade 1 to 3) and which doors need which — Maple Guard Security Mississauga

How to rekey a lock, and when a full lock change makes more sense

Here's the practical distinction people ask about most. Rekeying changes the internal pins of an existing lock so a new key works and all old keys are dead — the lock body, finish, and hardware stay exactly as they are. Learning how to rekey a lock through us is the fast, sensible option when your existing hardware is in good shape and you simply want to control who has access: after a move, a breakup, a lost key, or once a renovation crew wraps up. Searching rekey locks near me almost always points back to this: same lock, new key, clean access.

A full lock change or replacement is the better call when the hardware itself is the problem. If a lock is worn, corroded, sticking, damaged from an attempted break-in, or simply below the security grade the door deserves, no amount of lock rekeying fixes that — you need new hardware. A replacement is also the natural moment to upgrade a tired builder-grade door knob lock to a proper deadbolt, add a mortise lock to a heavy door, or move to a keypad.

We carry both paths in the van, so we can rekey a lock on the spot or swap in new hardware in the same visit without a second trip. What determines your quote is straightforward: the number of locks, the type and grade of hardware, whether we're rekeying or replacing, the time of day, and how far we travel. We confirm that exact figure with you before any work begins — no surprises after the fact.

How to rekey a lock, and when a full lock change makes more sense — Maple Guard Security Mississauga

Harden your entry points without a big spend — from door knob lock to strike plate

A surprising amount of home security comes down to inexpensive fixes that most people skip. The single most valuable upgrade on many Mississauga homes is swapping the short screws in your strike plate and hinges for longer ones that bite into the wall framing behind the trim — this alone dramatically increases how much force a door can take before the frame splits. A reinforced strike box and a deadbolt that throws its full length do the rest.

Beyond the front door, look at the entries you forget: the garage-to-house door, patio sliders that lift out of their tracks, and secondary suite entrances common in Mississauga's basement rentals. Add a security bar or an anti-lift pin to sliders, upgrade a flimsy door knob lock to a graded deadbolt, and make sure motion lighting covers dark side yards and back doors. None of this is exotic, and much of it can be done during a single service call.

Good habits close the gap: don't hide keys under mats or planters, keep your smart lock firmware updated, and store one spare with a trusted neighbour rather than outdoors. If you'd like us to walk your property and prioritise the changes that matter most for your home, we're glad to help — our technicians handle residential upgrades and, when needed, coordinate commercial locksmith work for landlords managing multiple units across the city.

Brands We Service

We install, repair and rekey all major lock brands — from everyday deadbolts to high-security cylinders.

  • Schlage logo Schlage
  • Kwikset logo Kwikset
  • Medeco logo Medeco
  • Emtek logo Emtek
  • Baldwin logo Baldwin
  • Yale logo Yale

Don’t see your brand? We service virtually every make — just call.

Before you call — what to expect

What Customers Usually Ask Before Booking — Mortise Lock, Door Knob Lock & Emergency Locksmith Services in Mississauga

Q: How do I know the price before the technician starts work? A: When you call (289) 779-3062, we ask about your specific situation — the lock type (such as a mortise lock or door knob lock), your vehicle make if it is an automotive job, the time of day, and your location in Mississauga. We use those details to confirm an exact up-front price with you before any work begins, so there are no surprises on the invoice.

Q: Can you handle the mortise lock on my older Mississauga home or commercial building? A: Yes. Mortise lock work — whether that means a re-key, a full replacement, or a repair on a multi-point mortise body — is one of the core services our technicians are trained and experienced to perform. Older Mississauga properties near areas like Port Credit or Cooksville often have legacy mortise hardware, and our team brings the parts and tools specific to those units.

Q: What factors affect the final quote? A: The quote reflects several real variables: the type of lock or hardware involved (a mortise lock cylinder differs from a standard door knob lock or a high-security deadbolt), the vehicle make and year for auto lockouts, the time of day your call comes in, the travel distance to your address, and whether replacement parts are needed on the spot. We walk through each factor with you so the number we confirm is the number you pay.

Q: Do I need to prove I own the property or vehicle before you help me? A: Yes, and this is non-negotiable for your protection and ours. Before our technician begins any lockout service or lock work, we verify ownership or authorization. For a home or commercial property, that typically means showing a lease, deed, or utility mail. For a vehicle, a driver's licence matching the registration is standard. If you are locked out right now and ready to go, call (289) 779-3062 and we will walk you through exactly what to have ready.

How Our Quote Process Works — From First Call to Confirmed Up-Front Price

Step 1 — Tell us what you are dealing with. When you call (289) 779-3062, a real person answers around the clock. Describe the situation: a mortise lock that will not turn, a door knob lock that snapped, a commercial locksmith job at your Mississauga office, or an emergency locksmith call because you are locked out at Square One at midnight. The more detail you share, the more accurate our assessment.

Step 2 — We assess the job variables. Our team identifies the key cost factors: lock or hardware type, vehicle make and model if applicable, time of day, parts availability, and the travel distance to your Mississauga address. We do not use flat-rate guesses; we build the quote around your actual job.

Step 3 — We give you an exact price before any work begins. Once we have a clear picture of the job, we quote you a firm price. Nothing moves forward until you verbally confirm that price. If the situation on-site turns out to be different from what was described — for example, a mortise lock body that is more damaged than expected — our technician explains the change and you approve any revision before work continues.

Step 4 — We dispatch the technician. Only after you confirm the price do we send a mobile unit to your location. Our technicians operate throughout Mississauga, from Lakeview and Malton to Erin Mills and Meadowvale, so dispatch routes are planned to reach you efficiently wherever you are in the city.

What to Expect from the Technician — Professional, Insured Commercial Locksmith & Emergency Locksmith Service

Arrival window communicated clearly. After dispatch, your technician will give you a realistic arrival window based on current traffic and their location in Mississauga. We do not promise a minute-precise ETA we cannot control, but you will not be left wondering. If anything changes en route — a Hurontario Street backup, for example — we call ahead.

Marked mobile unit and technician identification. Our technician arrives in a clearly identified Maple Guard Security vehicle and carries professional identification. Before any work begins on your mortise lock, door knob lock, commercial lock, or vehicle, confirm who you are speaking with. We expect and encourage you to check.

Walkthrough of the work before and after. Your technician explains what they are going to do, why, and what it involves — whether that is extracting a broken mortise lock cylinder, re-keying a door knob lock set across a commercial property, or programming a transponder key. After the job, they demonstrate that everything operates correctly and answer any questions about maintaining the hardware going forward.

Clean, tidy finish every time. Lock work — particularly mortise lock installation or repair — can involve removing door hardware, drilling, or working with metal components. Your technician cleans up the immediate work area before leaving. No shavings, no packaging, no tools left behind. If you are on a commercial site along Hurontario or a residential street in Streetsville, the standard is the same: the space looks the same or better than when we arrived. Ready to get started? Call (289) 779-3062 — we answer 24/7.

Service area

Areas we cover around Mississauga

Based in Mississauga, we reach the Mississauga area fast — 24/7. Don’t see your street? Call us, we very likely cover it.

(289) 779-3062

Frequently asked questions

How does rekeying a lock differ from replacing it?

Rekeying changes the internal pins so your old keys stop working and a new key takes over, while keeping the same lock body and finish. Replacing installs entirely new hardware. Rekeying is ideal when your locks are in good shape and you just want fresh access; replacement makes sense when hardware is worn, damaged, or you want to upgrade the grade.

Can you get me back in without damaging my door?

In most cases, yes. Our technicians carry the tools to open standard residential cylinders, deadbolts, and many mortise locks without drilling. Drilling is a last resort reserved for seized or high-security hardware, and we always explain the situation and confirm your approval before taking that step.

What should I do first if I'm locked out of my house with no key?

Stay calm and do a quick, safe check of other doors, an unlatched ground-floor window, a garage entry, or a spare key left with a neighbour. Don't try to force a window or climb where you could get hurt. If nothing works, call our home lockout service and we'll come to you around the clock.

Do you verify that the home is actually mine before opening it?

Yes, and it protects you. Before we open a residential lock we ask for proof of residency such as photo ID matching the address, a lease, or a recent utility bill. It's a quick step that keeps everyone's home secure.

Which smart locks do you install, and will one fit my door?

We install and set up popular keypad and Wi-Fi deadbolts from brands like Schlage and Kwikset, plus mortise smart locks for heavier or multi-point doors. Fit depends on your door thickness, backset, and bore, so we check compatibility first and configure user codes and app access before we leave.

What is a mortise lock and why might my home have one?

A mortise lock fits into a pocket cut into the edge of the door rather than through a bored hole, which makes it stronger and longer-lasting. They're common on older homes in areas like Old Streetsville and Port Credit, and on heavier modern doors, including mortise smart lock versions we service and install.

How do you decide the price for residential work?

Your quote depends on the type and grade of hardware, the number of locks, whether we're rekeying or replacing, the time of day, and travel distance to your address. We assess these on site and confirm one exact, up-front price before any work starts, so there are no surprises.

Are you available at night and on weekends?

Yes. We operate 24/7 across Mississauga, including evenings, weekends, and holidays. Whether you're locked out in Cooksville at midnight or need a lock change on a Sunday in Meadowvale, call (289) 779-3062 and we'll dispatch the nearest technician.

Locked out or need a lock fixed? We are on the way.

We answer 24/7 — talk to a real local locksmith now.

(289) 779-3062