When it comes to securing your home or business, you may find yourself choosing between rekeying your locks or changing them entirely. While both options enhance security, they differ significantly in cost, process, and when they are necessary.
In this blog, we’ll compare the cost of rekeying vs. changing locks, helping you make the most cost-effective and secure choice.
You may also like this: Rekeying Vs Changing Locks: Which One Should You Choose?
Rekeying vs. Changing Locks Cost Comparison
| Factor | Rekeying | Changing Locks |
| Cost per lock | $15 – $40 | $50 – $500+ |
| Service fee | $50 – $100 | $75 – $200 |
| DIY Option | Yes ($10 – $30) | Limited (requires tools & expertise) |
| Best For | Lost keys, key duplication, security update | Broken locks, high-security upgrade, new property |
What is Rekeying a Lock?
Rekeying involves changing the internal mechanism of an existing lock so that the old keys no longer work. A locksmith adjusts the lock’s pins and provides you with a new set of keys without replacing the entire lock hardware.
When Should You Rekey?
- Lost or stolen keys – Prevent unauthorized access.
- Moving into a new home – Ensure previous owners or tenants can’t enter.
- Employee turnover – If a key-holding employee leaves.
- Multiple locks, different keys – Rekeying allows all locks to use a single key.
Cost of Rekeying a Lock
The cost of rekeying a lock depends on several factors, including lock type, labor charges, and service fees.
- Typical locksmith service fee: $50 – $100
- Rekeying cost per lock: $15 – $40
- Total cost for multiple locks: $80 – $200
DIY Rekeying Kits
- Available for $10 – $30 per kit (compatible with certain brands).
- Recommended only if you have locksmithing experience.
✅ Cost-effective if you have multiple locks of the same brand.
What is Changing a Lock?
Lock replacement involves removing the entire existing lock and installing a new one. This is necessary when the lock is damaged, outdated, or when upgrading to a high-security option.
When Should You Change Locks?
- Old, worn-out locks – If your locks are difficult to operate.
- Upgrading security – Installing a high-security deadbolt or smart lock.
- Break-in attempt – A damaged lock should be replaced immediately.
- Changing property ownership – In rental properties or businesses.
Cost of Changing a Lock
Lock replacement costs vary based on lock type, brand, and installation fees.
- Basic lock replacement: $50 – $150 per lock
- High-security locks: $200 – $500+ per lock
- Smart locks: $150 – $600 (plus installation fees)
- Labor cost: $75 – $200 per hour (depending on complexity)
✅ Best if your locks are outdated, damaged, or need an upgrade.
Which Option Should You Choose?
- Rekeying is the best choice if your existing locks are in good condition and you simply want to prevent old keys from working. It’s a budget-friendly solution.
- Changing locks is ideal if you want to upgrade to more secure options, need new hardware, or have a damaged lock.
Final Thought
If cost is your primary concern, rekeying is the cheaper solution. However, if you need to enhance security or replace old hardware, changing locks is a worthwhile investment.
Need help? Contact a professional locksmith in Boca for advice and service cost estimates!
Or Ben Haim is a seasoned writer specializing in locksmithing and security solutions. With a passion for providing practical insights, Or creates engaging content that empowers readers to make informed decisions about their safety. His expertise ensures accurate, up-to-date information for homeowners, businesses, and vehicle owners alike.
