How much does it cost to change door locks?
Avg. range: $133–$296

Before you buy a lock or call a locksmith, here's what you need to know about door lock installation costs.

Reviewed by Luke DaughertyHome Improvement ExpertLast updated Jun 16, 2026
Luke Daugherty is an experienced editor and DIY enthusiast with deep expertise in home improvement, having crafted and shaped content for top home services and smart home brands since 2019.
Last updated Jun 16, 2026

Highlights

  • The national average cost to install door locks ranges from $133-$296.
  • The total cost varies depending on the type of lock, labor rates, and any necessary modifications.
  • DIY may save you money, but a pro can help ensure a proper, secure lock installation.
  • You might save by bundling services or choosing a standard, non-electronic lock.
  • Smart lock installations or drilling new holes in the door will often cost more.

Door lock installation cost range

The national average cost to install a door lock typically ranges from $133-$296, according to Thumbtack data. Your final price depends on several factors, including the project's complexity, the type of lock, and your location.
National average cost range$133-$296
Low-end cost$76
High-end cost$523

Cost breakdown

What affects the cost of installing new door locks?

Several key factors influence your total door lock installation cost, including:
  • Lock type: The lock itself is a major cost factor. A basic cylindrical lock is less expensive than a high-security deadbolt or an electronic smart lock with features like keyless entry or Bluetooth.
  • Project complexity: Installing or replacing a simple lock with a similar model is usually straightforward. However, installing a smart lock or a mortise lock often requires more time and skill, which can increase labor costs.
  • Door modifications: If the new lock doesn't fit the existing holes in your door, a professional will need to drill new ones or modify the door frame. This extra work will add to the final cost.
  • Labor rates: The hourly rate for a professional locksmith or handyman varies by location and experience level. A more experienced locksmith might charge more per hour but could complete the job faster.
  • Urgency: If you need an emergency replacement, you may pay a premium for after-hours or immediate service.

DIY vs. hiring a pro for a door lock installation

Deciding whether to install a door lock yourself or hire a professional comes down to your skill set, budget, and the job’s complexity. Each approach comes with some key considerations.

DIY:

  • You may save on labor costs by doing the work yourself. However, you might need to purchase specific tools, such as a drill or a chisel set, which can increase your overall expenses.
  • A simple lock installation can be a quick project if you have the right skills. But if you're unfamiliar with the process, you may spend longer than expected. An improper installation might also damage your door or compromise the lock's security.
  • Installing a lock yourself is often a reasonable option for replacing an old lock with a new, identical model. This type of straightforward swap typically doesn't require special tools or changes to your door.

Hiring a pro:

  • Hiring a professional typically costs more up front due to labor charges. In return, you get the benefit of their expertise, which often results in a faster, higher-quality installation.
  • Many pros guarantee their work, and they should have insurance coverage. This can provide peace of mind and protection in case of damage during the installation.
  • Hiring a pro is usually a good idea for complex jobs that involve installing smart locks, drilling new holes, or maximizing security. Professionals typically also understand local building codes, which can be important for certain properties. Check local codes or consult a licensed professional for requirements in your area.

How can you save money on a door lock installation?

Installing a door lock is an important security upgrade, but it doesn't have to break the bank. With some planning, you can often find ways to lower your lock installation cost without compromising on safety.
  • Compare quotes from several professionals. Getting multiple estimates can help you understand the typical price range in your area, but be sure each quote details the lock type and all labor for an accurate comparison.
  • Bundle multiple lock replacements. If you need to replace several locks, doing them all in one visit may be cheaper than scheduling separate appointments. Many pros offer better rates for larger jobs.
  • Choose a standard, quality lock. While smart locks offer convenience, a durable mechanical deadbolt typically provides excellent security at a lower price point, saving you on material costs.
  • Schedule during regular business hours. Emergency or after-hours calls almost always come with premium service fees, so planning your installation ahead of time can help you avoid these extra charges.
  • Clarify the project scope in writing. A clear, written agreement that outlines the exact work, the specific lock model, and the total cost can prevent unexpected charges later on.
  • Prepare the work area in advance. Ensuring the door is easily accessible and the area is clear might help the professional work more efficiently and reduce the total labor time.

FAQs

What's a typical price for replacing a standard door lock?

The national average cost to change door locks is typically between $133-$296. A simple replacement with a basic lock might fall on the lower end, while a more complex installation or a high-security lock could increase the price. Your final cost will depend on the lock you choose and local locksmith prices.

Are there any safety codes or permits required for changing a door lock?

In most cases, you may not need a permit for a simple front-door lock replacement on a residential property. However, certain properties, such as rentals or commercial buildings, might have to meet fire safety or security standards. Check local codes or consult a licensed professional to ensure compliance.

How does a lock's lifespan affect its long-term cost?

Investing in a higher-quality lock may cost more up front but can save you money in the long run. Cheaper locks might wear out faster, requiring more frequent replacements and potentially leading to higher lifetime costs. A durable, well-maintained lock can often provide reliable security for many years, reducing the need for repeated service calls.

How often should I replace my door locks?

There is no set schedule for replacing locks, but it's a good practice to do so when you move into a new home or if you've lost a key. You might also consider an upgrade if your current locks are old, rusted, or difficult to operate. A professional can assess the condition of your locks and recommend replacements for security.

Is it worth paying more for a high-end or smart lock?

Whether a premium, high-tech lock is worth the extra cost depends on your needs and budget. High-end smart locks offer convenience with features like remote access and keyless entry. A standard mechanical deadbolt often provides excellent security for a much lower price if you don’t need the extra features of a smart lock.
*A note about project costs featured in this article: Figures represent national average cost estimates using data provided by Thumbtack pros and additional research. These figures are provided for educational purposes only and are subject to change at any time due to various factors. Details about your specific project and local rates can impact costs. For a personalized cost estimate, request a quote from a professional.

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    How do we know these prices?

    Millions of people ask Thumbtack for help with their projects every year. We track the estimates they get from local professionals, conduct our own research and then we share those prices with you. The prices reflected in the article above are for informational purposes only and are subject to change at any time. Contact a professional near you to receive a personalized cost estimate for your project.

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