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When calculating the cost to change door locks, you need to separate two things: the cost of the labor (the locksmith’s time) and the cost of the hardware (the lock itself).
🛠️ Labor Cost
$75 – $150
Per trip (Service Call). Plus $30-$50 per lock for installation.
🔒 Hardware Cost
$30 – $300+
Depends heavily on quality (Grade 1 vs Grade 3) and brand.
Labor Costs: Fresh Install vs. Replacement
The price of labor depends on whether the door already has holes drilled.
| Service Type | Description | Est. Labor Cost |
|---|
| Standard Replacement | Removing old lock and fitting new one into existing holes. | $30 – $60 per lock |
| Fresh Installation | Drilling new holes into a wood or metal door for a deadbolt. | $75 – $150 per lock |
| Smart Lock Install | Installing electronic keypad/Wi-Fi locks (setup & calibration). | $100 – $200 per lock |
*Note: These labor prices are in addition to the initial Service Call fee ($65-$100).
Hardware Costs: You Get What You Pay For
Not all locks are created equal. The American National Standards Institute (ANSI) grades locks by security and durability:
- Grade 3 (Residential Standard): $20 – $50. Found at big-box stores. Good for interior doors, okay for entry, but easiest to pick or force.
- Grade 2 (Light Commercial / High-End Home): $60 – $150. Recommended for all exterior home doors. Stronger metal, harder to pick. (Brands like Schlage, Kwikset Signature).
- Grade 1 (Commercial / Maximum Security): $150 – $400+. Used in schools, hospitals, and high-security homes. Nearly impossible to kick in.
Pro Tip: You can buy your own locks from Home Depot or Amazon and just pay us for labor! However, if you buy from us, we usually offer a
warranty on the hardware itself.
Is it Cheaper to Use a Locksmith or DIY?
Many homeowners ask: “Can’t I just watch a YouTube video and do it myself?”
The DIY Route
Cost: Price of lock + Screwdriver.
Risk: If the door is slightly misaligned (which is common), the deadbolt won’t extend fully. A deadbolt that isn’t fully extended provides zero security. Also, installing a smart lock incorrectly can strip the motor, voiding the warranty.
The Professional Route
Cost: Hardware + ~$100 Labor.
Benefit: We align the strike plate so the door closes smoothly without pushing/pulling. We ensure the deadbolt “throws” completely for maximum security. We carry specialized tools to fix sagging doors.
Get a Quote for New Locks
Upgrade your home security today with professional installation.
Call for Pricing
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how much does it cost to replace a door lock, door lock change cost, cost to replace door locks, labor cost to replace door locks
Understanding Lock Grades and Their Importance
Lock grades play a crucial role in determining the security level of your door locks. The American National Standards Institute (ANSI) grades locks from Grade 1 to Grade 3, with Grade 1 being the most secure option suitable for commercial use, while Grade 3 is adequate for residential applications. When replacing a door lock, understanding these grades helps homeowners make informed decisions about the level of security they require.
For example, a Grade 1 lock, typically costing between $150 and $400, is designed to withstand intense force and tampering, making it ideal for high-security areas. In contrast, a Grade 3 lock, priced between $20 and $50, is more suited for standard residential doors. Knowing the differences can help you choose a lock that meets both your budget and security needs.
Factors Influencing Door Lock Replacement Costs
Several factors can influence the overall cost of replacing a door lock, including the type of lock you choose, the complexity of the installation, and regional labor rates. For instance, smart locks, which offer advanced features like keyless entry and smartphone integration, generally cost more both for the hardware and installation compared to traditional locks.
Additionally, if your door requires modifications for the new lock, such as drilling or reinforcing, this can add to the labor costs. Homeowners should also consider the warranty and maintenance costs associated with different lock types, as these can impact the long-term value of their investment.
Benefits of Professional Locksmith Services
Hiring a professional locksmith for door lock replacement offers several advantages over a DIY approach. Professionals bring expertise and experience, ensuring that the lock is installed correctly and functions as intended. This can save homeowners time and potential frustration, especially if unexpected issues arise during installation.
Moreover, professional locksmiths can provide valuable recommendations on the best lock types for specific security needs and help with any additional security measures, such as rekeying or installing additional locks. Their services often come with guarantees, offering peace of mind that the job will be done right.
Common Mistakes to Avoid When Replacing Door Locks
When replacing door locks, homeowners often make mistakes that can compromise security or lead to additional costs. One common error is selecting a lock without considering the door's specifications, such as thickness and material. Using the wrong size or type of lock can lead to improper installation and reduced security.
Another mistake is underestimating the importance of hiring a qualified locksmith. Attempting to install a lock without the necessary skills can result in damage to the door or lock, leading to higher repair costs. To avoid these pitfalls, it's essential to research lock options thoroughly and consider professional assistance for installation.
