US Locksmith is a licensed (Lic #00443LK) locksmith company serving all of South Florida since 2004. Changing the locks on your house in South Florida typically takes 15 to 30 minutes per lock when done by a professional; or 20 to 60 minutes per lock as a DIY project. This guide covers the factors that affect timing and when to call a locksmith instead of doing it yourself.
How Long Does a Locksmith Take to Change One Lock?
A certified locksmith can replace a standard residential lock in 15 to 30 minutes. The technician arrives with the tools and hardware needed, removes the old lock, installs the new one, aligns it with the strike plate, and tests the mechanism, all in a single visit. Multiple locks on the same visit take proportionally longer, but the per-lock time decreases because setup is already done.
How Long Does a DIY Lock Change Take?
If you are replacing locks yourself, expect to spend 20 to 60 minutes per lock. Especially if you are unfamiliar with the hardware. The process involves removing the old lock, installing the new one, aligning the bolt with the strike plate, and testing for smooth operation. Tricky deadbolts or non-standard door preparations can add significant time.
What Factors Make a Lock Change Take Longer?
Several factors can increase the time required for a lock change:
- Number of locks. More doors mean more time overall
- High-security or smart locks: these require additional configuration and programming
- Door condition — warped or damaged doors need adjustments before installation
- Non-standard door prep: older South Florida homes may have unusual door sizes or bore holes
- Alarm or smart home integration. Connecting new locks to an existing system adds setup time
Is Rekeying Faster Than Changing the Lock?
Yes. Rekeying a lock takes just 10 to 15 minutes per lock because the locksmith changes only the internal pins; the existing hardware stays in place. Rekeying is the right choice when the lock is in good condition and you simply need a new key to work it, such as after moving into a new home or after employee turnover.
Read our full rekey service page or our DIY rekey guide for more detail on when rekeying makes sense over full replacement.
When to Call a Pro Instead of DIY
Call a locksmith if you have multiple locks, if the locks are part of a smart home system, if the door is misaligned, or if you simply want the job done right the first time. A locksmith in Palm Beach can handle all lock types and guarantee the result.
Bottom Line
A professional locksmith changes a standard lock in 15-30 minutes. DIY takes 20-60 minutes and carries the risk of improper installation. Rekeying is faster (10-15 minutes) when the hardware is still in good shape. US Locksmith handles lock changes and rekeying across South Florida; call 1-866-776-6062.
Frequently Asked Questions
Most professional locksmiths can change a standard lock in 15 to 30 minutes. Replacing multiple locks or installing smart or high-security systems may take up to an hour or more.
Factors include the complexity of the lock, the number of locks being changed, whether the door or frame needs adjustments, and whether the locks connect to a smart home or alarm system.
Yes. Rekeying typically takes 10 to 15 minutes per lock because the existing hardware stays in place. Only the internal pins are swapped so a new key works and the old one does not.
Yes. Being present lets you test the new locks, ask questions, confirm everything works, and receive your new keys before the technician leaves.
Absolutely. A locksmith can install smart locks during the same visit. It is a practical opportunity to add features like remote access, digital keys, and activity logs to your home security.
Need Help With Your Locks? Call US Locksmith
US Locksmith is available 24/7 across Miami-Dade, Broward, and Palm Beach County. Licensed (#00443LK), bonded, and insured.
Call 1-866-776-6062Further guidance is published by the Palm Beach County Division of Consumer Affairs.