Door Knob Lock Replacement

If the knob itself is loose, the latch doesn't spring properly, the cylinder is visibly corroded or the key turns with significant resistance, you're looking at a mechanical replacement — rekeying only changes the internal pin stack in the cylinder and won't fix worn or broken hardware. If the lock mechanism still functions reliably and you simply want to change who has access — after moving into a new home, for example — a rekey is often all that's needed and costs less than a full replacement. Our technicians assess this on arrival and will always tell you honestly which solution your situation calls for.

In most cases, yes. Standard residential doors are bored to accept common backset measurements and cylinder diameters, which means a new knob lock of the same configuration typically drops in without modification. The exception is when upgrading from a tubular knob lock to a mortise lock, which requires cutting a new pocket into the door edge — that's a more involved job but one our technicians are skilled in completing cleanly. We always inspect the door before recommending any work that involves cutting or modification, and we explain exactly what's involved before we start.

We'd advise against it. Improvised attempts at picking a lock without proper tools and training almost always cause damage to the cylinder pins, the keyway, or the plug — turning a simple lockout into a full lock replacement job. There's also the question of how it looks to neighbours or passersby. The safe and practical steps when you're locked out are: check for an unlocked window or secondary entrance, look for a spare key with a trusted neighbour or family member, and if neither option works, call a professional locksmith who can verify ownership and open or replace the lock without unnecessary damage. Our team handles lockouts 24/7 and can reach most Oshawa addresses quickly.

Several variables shape the final quote: the type of lock being replaced (a standard interior privacy knob versus a commercial-grade mortise lock are very different jobs), the specific hardware selected, whether any door or frame reinforcement is needed, the time of day the work is being done, and travel distance to your location. We never quote a fixed price before we've seen the door, because a price given without that information would either be misleading or padded to cover unknowns. What we commit to is confirming an exact price before any work begins — what you approve is what you pay.

Both. Our commercial locksmith services cover retail storefronts, office suites, property management companies, and light-industrial facilities throughout Oshawa. Commercial hardware selection is different from residential — higher cycle-count ratings, key-control cylinders, reinforced strikes, and in many cases mortise lock systems that integrate with access policies for multiple keyholders. We also work with property managers who need multiple units serviced on a schedule. If you manage a commercial address, call (289) 512-8567 and describe your setup — we'll tell you exactly what the job involves.

A knob lock alone is generally not recommended as the sole security hardware on an exterior door. Most security guidance — and most home insurance requirements — suggest pairing it with a properly installed deadbolt. The knob latch holds the door in the frame day-to-day, while the deadbolt provides the real resistance to forced entry. If you're considering upgrading to a mortise lock, that's a strong alternative because it combines both functions in a single reinforced body set deep into the door. We can assess your current door and frame and recommend the right combination for your specific situation — no upselling, just an honest assessment of what will actually make your door more secure.