Cost to Change a Lock in 2024
On February 25, 2026 By newsroom Topic: Home Services
Average Costs
- Rekeying a Lock: $40–$100 + $15–$40 per lock
- Replacing a Lock: $50–$200 (standard locks)
- Professional Locksmith: $50–$100 per hour (average $75/hour)
Cost Breakdown
1. Lock Type
| Lock Type | Cost Range |
|--------------------|----------------------|
| Knob Lock | $40–$80 |
| Deadbolt | $40–$200 |
| Keyless Lock | $50–$300 |
| Electronic Lock| $100–$350 |
| Smart Lock | $200–$800 |
2. Rekeying vs. Replacing
- Rekeying Locks: Rearranges internal pins; cheaper option.
- Cost: $40–$100 + $15–$40 per lock
- Replacing Locks: Involves new hardware.
- Cost: $50–$800 depending on lock type and features.
Labor Costs
- Hourly Rate: $50–$100/hour
- Emergency Locksmith Rates:
- After-Hours Fee: $75–$125
- Emergency Trip Charge: $100–$150
Lock Grade and Durability
- Grade 1 (High-Security): 800,000 cycles (durable and expensive).
- Grade 2 (Mid-Range): 400,000 cycles (good for exterior doors).
- Grade 3 (Basic): 200,000 cycles (suitable for interior doors).
DIY vs. Professional Installation
DIY Installation
- Cost: Lock hardware only ($40–$800).
- Tools: Screwdriver, electric drill.
- Ideal for simple locks like knob locks or deadbolts.
Professional Installation
- Necessary for smart locks or advanced security systems.
- Some warranties require professional installation.
Additional Costs
- Emergency Lock Changes: $100–$200 for immediate service.
- Home Insurance: Updating locks may qualify for a discount.
FAQs
1. Should I replace or rekey my locks?
- Rekeying: Cheaper, keeps existing locks.
- Best if locks are in good condition.
- Replacing: Better for upgrading security or worn-out locks.
2. How often should locks be replaced?
- Every 7 years or sooner if damaged or for security upgrades.
3. What is the most secure lock type?
- Deadbolts (Grade 1) provide superior security for entry doors.
