Rekey vs. Replace Your Locks: When Each Makes Sense
By Mega Lock And Key · MD Locksmith License #394 ·
Rekey when the lock is in good shape and you only need old keys to stop working, such as after a move or a lost key; replace the lock when it is damaged, worn out, low-security, or you want a different style or feature such as a smart lock.
What rekeying is
Rekeying changes the pins inside the cylinder so a new key works and every old key stops working. The lock itself stays on the door. It is usually quicker than replacement, and a whole house can often be done in one visit.
Rekey when
- You just moved in and do not know who has keys.
- A key was lost or not returned.
- A tenant or employee left.
- You want every door on one key.
Replace when
- The lock is damaged after a break-in or a forced entry.
- It is worn, sticky, or the key barely turns.
- It is a low-security lock and you want a Grade 1 deadbolt or a high-security cylinder.
- You want a keypad or smart lock.
Rowhouse and older locks
Many Baltimore rowhouses have mortise locks. These can usually be rekeyed or repaired rather than replaced, which keeps the look of an older door.
Get it done
See residential locksmith service in Baltimore or, for rentals, the landlord rekeying guide.