Last updated: July 3, 2026
Yes, a locksmith can rekey your condo lock in Yorkville and Toronto without replacing the entire cylinder—and it's usually the cheaper, faster option. The process involves removing the cylinder, extracting the old pins, and installing new ones that match your new key. Most rekeying jobs run $95–$180 depending on the lock brand and whether the locksmith needs to service any stuck components.
The Short Answer: Rekeying Without Replacing
If you're a Yorkville or downtown Toronto condo owner, here's the reality: most residential lock cylinders can be rekeyed without replacing the whole assembly. The locksmith removes the cylinder from the door, pulls out the old springs and pins (tiny metal pieces stacked inside), installs a new set of pins calibrated to your new keys, and reinstalls it. The knob, deadbolt body, and all the mounting hardware stay exactly where they are.
Cost for rekeying a single lock cylinder in Toronto typically runs $95–$180. Full cylinder replacement (if the lock is damaged, corroded, or pinned in a way that resists rekeying) costs $180–$320. A professional job takes about 20–30 minutes per lock, and you'll have a new set of keys that match your home's needs.
The Full Answer: How Rekeying Works Without Replacing
1. What Exactly Happens Inside the Lock Cylinder
A pin-tumbler lock—the standard mechanism in nearly every residential condo door in Yorkville, the Annex, and Leslieville—works by stacking five or six metal pins of slightly different lengths inside a cylinder. When you insert the correct key, it pushes each pin to a precise height. If all pins align at the exact boundary between the cylinder and the lock body, the cylinder rotates and the bolt retracts. Wrong key? The pins don't align, and nothing moves.
When a locksmith rekeyes your condo lock, they're changing only those pins. The cylinder itself—the brass or steel tube that rotates—stays put. The lock housing, springs, bolts, handles, and door mounting brackets are untouched. That's why it's cheaper and faster than replacement.
2. The Step-by-Step Rekeying Process
The locksmith unscrews the lock set from the inside of the door (usually 2–3 screws) or removes a retaining pin, then slides the cylinder out. Takes about 3 minutes on a standard Schlage or Weiser lock; high-security locks like Mul-T-Lock take longer because they're engineered to resist manipulation.
The locksmith inserts your old key to align all pins at the shear line, then uses a cylinder removal tool to twist the plug (the rotating part) out of the bible (the fixed housing). This is where a stuck or corroded lock sometimes reveals itself—if the plug won't budge, rekeying may not be possible.
Using a specialized key-shaped pin removal tool (called a plug follower), the locksmith pushes the springs and pins out one by one. A tiny spring launches each pin into the air if you're not careful—we've all scrambled to find a pin that bounced across a Yorkville kitchen floor.
The locksmith reads your new key blank and selects the correct pin heights from a kit. Standard residential locks use five pins; each pin size (heights 1–5) matches a specific tooth cut on your new key. The pins are stacked back in, springs reseated, and the plug is reinserted.
The locksmith tests the new key twice (we always test twice) before putting the cylinder back in the door. Once it's confirmed to work smoothly and securely, the lock set is reinstalled and the old keys are confirmed dead. You're done.
3. Price Comparison: Rekeying vs. Replacement
| Service | Typical Price Range (Toronto) | Time to Complete |
|---|---|---|
| Rekey single cylinder (standard lock) | $95–$145 | 20–30 min |
| Rekey high-security lock (Mul-T-Lock, Medeco) | $160–$220 | 40–60 min |
| Replace cylinder (standard lock) | $180–$280 | 30–40 min |
| Replace cylinder (high-security) | $240–$420 | 45–75 min |
| Rekey two locks (common condo setup) | $160–$280 | 40–60 min |
4. What Lock Brands Rekey Most Easily
The lock brand on your door makes a real difference. Standard residential brands—Schlage, Weiser, and Defiant—are engineered for easy rekeying and are among the most common in Toronto condos. A locksmith can rekey these in 20–30 minutes with standard tooling and typically charges the lower end of the price range ($95–$130).
High-security locks like Mul-T-Lock (recognizable by an unusual keyway and an extra anti-rotation pin) or Medeco (also distinctive keyway with rotating pins) take longer because the locksmith needs specialized tools and a deeper working knowledge of the mechanism. Rekeying a Mul-T-Lock cylinder typically costs $160–$220 and takes 45–60 minutes. These locks are common in higher-end condo buildings in Forest Hill and Casa Loma because they're harder to pick.
Kwikset locks (common in mid-range residential settings) fall somewhere in the middle—$110–$150 to rekey, 25–40 minutes. The brand doesn't change the concept; it just affects the cost and time.
5. When Rekeying Isn't Possible (and You Need Replacement)
Not every lock can be rekeyed. Here are the three most common scenarios when we arrive at a Yorkville or Cabbagetown condo and realize replacement is the only answer:
Corroded or stuck cylinders. If the lock hasn't been serviced in years, rust or mineral buildup can seize the pins and springs inside. When the locksmith tries to remove the plug with the old key aligned, it won't budge. Forcing it risks breaking the cylinder further. In these cases—and we see this every few months on older buildings in Cabbagetown and Riverdale—replacement is safer and faster than attempting a risky rekeying.
Non-standard or damaged keyways. Some entry-level locks have been modified (keyway widened, cylinder filed, etc.) or damaged in a lockout attempt. Once a keyway is out of spec, the locksmith can't safely insert the old key to align the pins, and rekeying becomes impossible without new parts.
Master key or restricted keyways. If your building uses a master key system (common in larger condos and apartment complexes in downtown Toronto), the lock may have extra pins or a pinned architecture that doesn't allow a simple customer rekey. The building's master key won't work if you rekey to a single new key. You'd need to coordinate with building management or have the lock replaced with a non-master-keyed cylinder.
6. What About Rekeying to Match Another Lock
One of the best-kept secrets in locksmithing: you don't have to create entirely new keys. If your condo has a deadbolt and a knob lock, you can rekey both to use the same key. This is called "rekeying to suite"—the locksmith rekeyes both cylinders so they accept one master key for your unit.
The cost is the same ($160–$280 for two locks). The convenience is huge: no more fumbling with two different keys at your Yorkville condo door. If you're doing a full entry upgrade or just moving in, ask your locksmith about suite-matching.
When the Answer Is Different
If Your Lock Is Pinned for Multiple Keys
Some condo locks are pinned to accept multiple different keys—a common setup in commercial buildings or large residential complexes. If your building uses a master-key system, the pins inside your lock are stacked differently than a standard residential lock, and the locksmith will need to know the building's master-key code to rekey safely. If you're unsure, ask your building manager or show the locksmith your old key—they'll know immediately if it's a master-key cylinder.
If You Need Electronic or Smart Lock Features
Rekeying only works for traditional mechanical pin-tumbler locks. If you're installing a keypad, smart lock, or biometric reader on your Yorkville condo door, you're not rekeying—you're replacing the entire lock set with a new electronic one. That's a different project, typically $180–$500+ depending on the system and whether you need new electrical wiring.
If Your Old Keys Are Lost (Not Just Unwanted)
Rekeying requires the locksmith to use your old key to align the pins while removing the cylinder. If your old key is completely lost and you don't have a backup, the locksmith will need to drill out the cylinder (destructive entry) to gain access, and then the cylinder must be replaced anyway. If you have one old key, you're fine—bring it with you. If you don't, replacement becomes mandatory.
FAQ: Rekeying Condo Locks in Toronto
How long does it take to rekey a lock cylinder?
Most standard residential locks (Schlage, Weiser, Kwikset) rekey in 20–30 minutes, including removal, pin extraction, installation, and testing. High-security locks like Mul-T-Lock take 45–60 minutes because they require specialized tools and careful handling. If the locksmith encounters a stuck or corroded cylinder, add 15–30 minutes for troubleshooting or drilling.
Can I rekey my lock myself, or do I need to hire a locksmith?
Technically possible, but not recommended unless you're experienced. A rekeying kit costs $15–$30 and includes blank pins and springs, but requires a specialized removal tool, detailed knowledge of your lock's pin heights, and patience with tiny springs that fly everywhere. One mistake (wrong pin order, misaligned springs) and your lock won't open. Most homeowners hire a locksmith for $95–$180 rather than risk damaging the lock or leaving it insecure.
If I rekey my condo lock, can the previous owner still open the door?
No. Once the pins are changed, the old key no longer aligns them, and the lock simply won't turn. The old key becomes useless. This is the entire point of rekeying—you're ensuring only your new keys work. If the previous owner still has a key, it will be dead after rekeying.
Should I rekey my condo door lock or replace it entirely?
Rekey if the lock is in good working condition, you don't need fancy features, and you want to save $100–$200. Replace if the lock is corroded, damaged, or you want to upgrade to a high-security brand, smart lock, or better-looking hardware. For a typical move-in scenario in Yorkville, downtown Toronto, or the Annex, rekeying is the right choice 90% of the time.
The Bottom Line: Rekey First, Replace Only If Necessary
If you're moving into a Yorkville, Annex, or downtown Toronto condo and you want to ensure only your new keys work, rekeying your condo lock without replacing the cylinder is almost always the right move. It's cheaper ($95–$180 vs. $180–$320), faster (20–30 minutes vs. 30–45), and works perfectly on standard residential locks like Schlage and Weiser.
The locksmith removes the cylinder, swaps the old pins for new ones calibrated to your new key, tests the lock, and reinstalls it. Your old keys become useless, and you're the only one with access.
Only consider full replacement if the lock is corroded, damaged, pinned for a building master key, or you want to upgrade to a smart lock or high-security brand. For a standard move-in, rekeying solves the problem and keeps money in your pocket.
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