Last updated: June 15, 2026
A lock rekey in Lakeshore involves changing the pin configuration inside a lock cylinder so it works with a new key code. Rekeying can be a practical option when the existing lock hardware is in working condition after a tenant turnover or key change. Understanding what happens inside a lock cylinder helps homeowners and property managers decide whether rekeying or lock replacement is appropriate.
- The exact sequence of steps we follow before touching the lock cylinder
- Why the plug removal step fails more often than any other and what we watch for
- Which brand cylinders resist rekeying and which ones cooperate every time
- The sensory signals that tell us a pin stack has corroded or seized
- What the customer should ask about timing, warranty, and re-keying paperwork
The Process, Step by Step
A lock rekey in Lakeshore requires careful inspection and testing, whether the lock is on a residential door or a commercial entry. Rushing any part of the process can affect how smoothly the new key operates.
- Identify the lock type and keyway. The lock cylinder, keyway, and hardware should be examined before rekeying begins. Different lock types may require different keys, pinning methods, or tools.
- Check the existing key and lock operation. Testing the current key can help identify binding, wear, corrosion, or other issues that may affect the rekeying work.
- Remove the cylinder from the door. The cylinder must be removed carefully to avoid damaging the door hardware, retaining components, or lock body.
- Inspect the plug and pin stack. Once the cylinder is open, the pins, springs, and internal components can be checked for wear, corrosion, or damage.
- Set the new pin stack to match the new key code. Rekeying involves selecting and placing pins that correspond with the new key. Accurate pinning is important for smooth lock operation.
- Reassemble the plug and test the new key in the cylinder. The cylinder should be reassembled and tested for smooth insertion, turning, and removal of the new key.
- Reinstall the cylinder in the door and verify operation. After installation, the lock should be tested from both sides of the door, including the latch or deadbolt function.
- Provide service details when applicable. Ask the locksmith what work was completed, what keys were provided, and whether any lock components need future attention.
Tools We Use
| Tool / Product | Purpose | Why It Matters |
|---|---|---|
| Rytan or Hpc Plug Follower | Holds driver pins in place while removing retaining screw | Prevents driver pins from falling out during disassembly; saves 10 minutes if you need to retrieve scattered pins |
| PB Blaster Penetrating Oil | Loosens seized screws and corroded pin stacks | Prevents screw damage on doors older than 2000; lets us work on Lakeshore heritage homes without stripping |
| Pin-Setting Gauge & Coding Chart | Maps key bitting to pin depths; ensures new pin stack matches new key code | Eliminates guessing; lets us rekey a five-pin Schlage in 4 minutes instead of 12 |
| Schlage & Baldwin Pin Assortments | Replacement pins in 10 different depths (0.250″ to 0.375″) | Lets us repair corroded pins on-site; most rekeying jobs don’t need new springs, just new pins |
| Spring Replacement Kit | New compression springs in multiple tensions for Schlage, Baldwin, and Weiser cylinders | Stiff or broken springs are the #1 reason a rekey fails within 6 months; replacing them during the job prevents callbacks |
Where It Gets Tricky
Removing the cylinder can be one of the more delicate parts of a rekey. A seized or damaged retaining screw may require careful handling to avoid breaking the screw or damaging the lock. Allowing penetrating oil time to work can help when corrosion is present.
Setting the pin stack requires accuracy. If a pin is incorrectly sized or positioned, the key may bind or the cylinder may not turn smoothly. Testing the key and rotating the plug during inspection can help identify issues before the cylinder is reinstalled.
Inspecting the pin stack can reveal wear, corrosion, or moisture-related damage inside the cylinder. When internal components are compromised, replacement may be appropriate before rekeying is completed. A professional locksmith can explain the condition of the lock and provide the exact price before any work starts.
What This Means for You as the Customer
When you schedule a lock rekey in Lakeshore, expect the job to take 45 minutes to 1 hour for a standard five-pin residential cylinder. This includes assessment, removal, pin replacement, reassembly, and testing. If the technician tells you it’ll be done in 15 minutes, they’re either confident about a locked-down process or they’re cutting corners. A thorough rekey is 45 minutes. Ask why, and the answer should include cylinder removal, pin inspection, and multi-cycle testing.
Lock rekeying is priced per job. The exact price is confirmed before any work starts and can depend on the lock type, condition, and required parts.
Ask what documentation or service details are available after a rekey. Keeping a record of the lock model, key information, and service date can be useful if the lock needs attention later.
Multi-unit rekeying is priced per job, with the exact figure confirmed before work begins.
Frequently Asked Questions
Can I rekey a lock myself, or do I need a professional?
You can attempt to rekey a lock yourself with the appropriate kit and lock information, but accurate pin setting is important. An incorrectly sized pin can cause the key to bind. If you are unsure about the lock type or internal condition, professional rekeying may be the better option.
How long does a rekey last, and what’s the warranty?
A rekey lasts indefinitely if the lock is maintained and not exposed to extreme corrosion. We offer a 2-year warranty on residential rekeying (covers manufacturer defect and pin failure from metal fatigue) and 1 year on commercial rekeying. Corrosion from saltwater or high humidity is not covered. On Lakeshore properties near the water, we recommend a maintenance rekey every 4 years if the lock is an exterior-facing cylinder.
What if my lock is a Mul-T-Lock or high-security brand?
High-security cylinders may require specialized key blanks or rekeying tools. Their tighter tolerances and more complex key systems can make the work more involved than rekeying a standard residential cylinder. A professional locksmith can confirm whether rekeying is appropriate for the lock.
Do I need a new lock installed, or is rekeying really enough?
Rekeying may be appropriate when the lock mechanism is working properly. If the lock is broken, the key gets stuck, or internal components are too damaged, lock replacement may be recommended. A professional locksmith can assess the lock and explain the available options before work begins.
Etobicoke Locksmith
Professional mobile locksmith service across Etobicoke and West Toronto, including lock rekeying, lock changes, emergency lockouts, car keys, smart locks, and door hardware.