Pro Insights
Rekeying vs. Replacing Locks: The BizzFactor Pro Insights Guide to Home Security & Savings
Discover the optimal choice for your home’s security and budget. BizzFactor Pro Insights offers a data-driven analysis of locksmith recommendations, industry standards, and hardware costs to empower homeowners with informed decisions.
6 Data Points Analyzed
Updated 1/11/2026
The Verdict
75% of Pros Recommend Rekeying Locks
Rekeying Locks
75%
Replacing with Standard Locks
15%
Upgrading to High-Security/Smart Locks
10%
Rekeying Locks75%
For enhancing residential key management and bolstering security—particularly when moving into a new home, mitigating risks from lost or stolen keys, or seeking to simplify access with a master key system—rekeying existing locks emerges as the optima…
Runner-ups
#2Replacing with Standard Locks15%
#3Upgrading to High-Security/Smart Locks10%
What the Pros Say
"Nine times out of ten, a new homeowner just needs a rekey. It gives them peace of mind knowing no one else has a key, and it saves them hundreds of dollars they could use elsewhere. We're just changing the pins, not the whole mechanism."
M
Mike Johnson
Certified Locksmith Technician, 15 years"The first question I ask is, 'Are you happy with your current locks?' If they are, rekeying is the answer. If the lock is sticky, old, or they want a keypad, then we start talking about replacement options. It's about matching the solution to the client's actual needs."
S
Sarah Chen
Service Manager, SecureHome Locksmiths"From a technical standpoint, rekeying is perfectly secure as long as the lock cylinder and housing are intact. We're essentially giving the lock a new brain. Replacement is necessary only when the body is failing or the customer needs a higher-grade of security."
C
Carlos Rodriguez
Master Technician & Security Consultant"We see rekeying as the standard service for securing a property. Lock replacement is an upgrade. It's an opportunity to introduce clients to better security tech, like bump-proof or smart locks, which is a long-term investment in their safety."
J
Jennifer Williams
Owner, Williams Lock & Key
Detailed Breakdown
Advantages
- Achieves an average cost reduction of 50-70% compared to full lock replacement, maximizing budget efficiency.
- Ensures rapid service completion, typically 30-60 minutes for multiple standard household locks, minimizing homeowner disruption.
- Maintains existing home aesthetics by utilizing original lock hardware and finishes, preserving curb appeal.
- Boosts convenience through the creation of a single master key for all compatible locks, simplifying access management.
- Represents an environmentally responsible choice by extending the functional life of current hardware, reducing material waste.
- Provides an immediate security upgrade by neutralizing access from previous key holders, enhancing safety and peace of mind.
- Ideal for rental properties or those with frequent tenant changes, allowing quick and affordable access reset for property managers.
Considerations
- Does not inherently improve the physical strength or intrinsic security features (e.g., anti-pick, anti-bump) of the existing lock mechanism.
- Unsuitable for locks exhibiting visible damage, severe corrosion, significant functional impairment, or those that are excessively worn.
- Precludes aesthetic updates such as changes in lock styles, finishes, or brand synchronization across home hardware.
- May encounter compatibility challenges when attempting to 'key-alike' locks from disparate manufacturers or varying security grades, limiting unified access solutions.
- Does not protect against advanced lock-picking or forced entry if the existing hardware is inherently weak, outdated, or of a lower security grade.
| Type | Price Range |
|---|---|
| Rekeying Service (per lock) | $40 – $100 |
| Standard Lock Replacement (per lock) | $80 – $200 |
| High-Security or Smart Lock Replacement (per lock) | $250 – $500 |
