On average, the cost of having locks re-keyed ranges from $40 to $100, plus $5 to $25 for each lock cylinder. For example, a typical locksmith charges an average of $18 per keyhole to re-key locks, and $25 when there are circumstances that require more work such as an electronic lock installation or deadbolt.
Can you drill out a door lock?
Drill a hole through the lock cylinder through the guidance point. This destroys the pins inside the lock cylinder, allowing you to force the lock open. Most locks have about five tumbler pins to drill through, although some have six or more.
How can I open a locked door without a key?
To unlock a door without the key, start by jamming the edge of a credit card between the door frame and the lock. Then, bend the card back toward the frame to force the lock back into the door so it opens.