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Smart Door Lock Installation: A Step-By-Step Guide

Smart Door Lock Installation

Installing smart door locks can transform how people protect their homes and families. Several advanced features are available with these smart home gadgets, such as keyless entry, remote control, and integration with existing home automation systems.

Installing smart door locks on your own can be challenging. If you're considering upgrading to a smart lock but still need to figure out where to start, this step-by-step installation guide will walk you through the process and help you finish a perfect setup.

Why Need a Smart Door Lock?

People need a smart door lock mainly because of the incredible benefits that smart door locks offer. Compared to traditional door locks, they are equipped with advanced smart features, such as access control, guest management, and facial recognition, making them ideal for enhancing home security.

Furthermore, smart locks provide users with more convenience. Smart door locks can be controlled by smartphone apps or digital keys when connected to the Internet. For forgetful people, smart locks help eliminate the hassle of physical keys. They can enter homes with a password or fingerprint. Besides, using a key code means homeowners won't worry about a stray key falling into the wrong hands.

Smart Door Lock Installation: Step-By-Step Guide

The installation of smart door locks requires effort and time. Here is a comprehensive checklist for your reference.

1. Select the Right Door Lock

The first step you need to do is to choose the right door lock that fits your requirements. There are various types of locks available in the market, for example, keypads, RFID lock systems, WiFi door locks, Bluetooth door locks, etc. Most of these locks work with home automation systems. Before buying one, consider the compatibility with your smartphone and existing home hardware. For more information, you can check the manufacturer's website or specifications on the product page.

2. Gather Necessary Tools and Read the Manual

To make the installation process smooth, you must also prepare several tools. These required tools include a screwdriver, measuring tape, level, and a drill. If you need to know what tools to organize, don't worry. Most smart locks come with an installation kit that includes all the necessary hardware. Utilize the manual with the product box because each smart door lock may have specific installation instructions unique to its design.

3. Remove the Existing Door Lock

Most homeowners use smart door locks to replace the traditional deadbolt ones. You can start this step by unscrewing and removing the door handle and deadbolt from the interior and exterior sides of the door with a screwdriver, then unscrew and detach the latch plate on the doorframe. Later, inspect the door edge for any dirt, debris, or chipped wood since your new smart door lock needs a smooth surface.

4. Install the Smart Door Lock

After finishing all the steps above, the next step is to install the smart door lock. First, follow the manufacturer's instructions to attach the mounting plate to the interior side of the door. It needs to be aligned correctly and horizontally. You can achieve this by using a measuring tape and level. Next, If your smart lock includes a deadbolt component, insert it through the mounting plate and the hole on the edge of the door. Nail it in place with the screws provided.

At last, you should carefully connect the interior and exterior components of the smart lock through the pre-drilled hole in the door. You can also secure the correct placement by locking or unlocking the door several times.

5. Connect to Power Source

Once your smart door lock is installed, you need to connect it to a reliable power source. Some smart door locks are battery-powered, and you must insert the fresh battery properly. If your smart lock needs to be connected to a power source, follow the instructions to do so safely.

6. Configure Customized Settings

You need to connect the device to your home network, and then it's time to set up the accompanying system. This process includes downloading a mobile app, creating an account, and pairing the lock with your smartphone or home automation hub.

You can make the most of your device by setting up access codes or digital keys for family members or friends. By the way, for the enhanced security features, remember to adjust security settings and real-time notifications according to your preferences.

7. Test and Troubleshoot

After having all these steps done, the last step you need to follow is to test your device. You can lock and unlock your door lock to test its functionality and check out its connectivity to your smartphone or home automation system to confirm remote access functionality.

If the textual representation needs clarification, you can alternatively watch the video below for a better understanding.

Resource: Youtube Fix This Build That. Keep in mind that the particular installation process varies depending on the brand. To ensure proper setup, diligently follow the instruction manual that accompanies the product packaging.

Cost to Install Smart Door Lock

Before putting the installation into practice, you have a lot of things to prepare. If you find this job difficult, a professional installer will be better. There are costs associated with preparations and hires.

General Cost

We take the U.S. as an example. Installing a smart door lock and related accessories costs between $250 to $400, with an average of $330. Most homeowners pay $300 to install one WiFi smart lock and one compatible accessory. However, the cost may vary for different devices. Some simple models that fit the existing hardware require $125 to $150. On the other hand, high-end locks that integrate into the advanced home automation system may cost you as much as $1200.

Smart Door Lock Price by Type

Apart from the installation, you must also pay for the product. Standard prices for smart door locks are between $100 and $450. There are many different types of smart door locks available in the market. Each one has its price and special considerations. Check the list below.

  • Keypad Door Lock: Keypad door lock allows users to input a pre-set numeric code or password to unlock the door. The average cost of a keypad lock is between $100 and $250.
  • RFID Lock System: In an RFID lock system, the traditional mechanical keys are replaced with RFID cards or fobs containing embedded RFID chips. The price of an RFID system is between $100 and $300.
  • WiFi Door Lock: WiFi door lock utilizes WiFi connectivity for remote access and control. Usually, it can be operated and managed through a mobile app or a web portal. The average cost of a WiFi door lock ranges from $100 to $300.
  • Bluetooth Door Lock: Bluetooth door lock uses Bluetooth technology for access control and unlocking. This type costs around $100 to $200.
  • Biometric Door Lock: These door locks rely on biometric authentication methods to grant access. These methods include fingerprints, iris patterns, facial features, voice, and hand geometry. The average price of these devices is $250 to $450.


Common Installation Problems

When installing smart locks, you may encounter several common problems. Here are some of them.

Power Source

For those smart door locks that require a power source, users may need help with issues if their lock isn't near an electrical outlet. In terms of the battery-powered ones, the battery life may be shorter than expected. You can carefully plan the wiring diagram before installing or using an extension power cable for installed wires. If your lock needs a battery to power on, choose the rechargeable battery first. If there are no such alternatives, buy some backup batteries at home in an emergency.

Compatibility Issues

Some smart door locks may only be compatible with some doors or existing lock hardware. This issue can lead to difficulties in fitting the device correctly. So for the correct setup, check out your existing hardware and purchase a compatible one.

Internet Connectivity

Smart locks that rely on WiFi may experience connectivity issues. For example, a weak WiFi signal or poor coverage in the area can lead to delayed response times for your door lock. So ensure the smart lock is within the WiFi or Bluetooth range, and consider using range extenders or access points to improve connectivity.

Physical Security Concerns

Some users may need help with the overall security of smart locks compared to traditional locks, especially if they encounter technical problems during installation. Internet connectivity makes it a target for hackers. At the same time, physical intrusion can also damage the device. Try to combine your door lock with other home security gadgets to create a comprehensive protection barrier.

Bonus Tips: How to Choose Smart Door Lock

Right now, let's get back to the first step. If you haven't used the smart lock before, what factors must be considered when choosing one? Here are some key factors to take into account.

Lock Type

Different types of smart door locks are available, such as keypad locks, Bluetooth locks, WiFi locks, and biometric locks. Different varieties offer you distinct options to unlock the door. For instance, biometric locks can be opened with a registered fingerprint. Each type provides different levels of convenience and security. So measure your needs and determine which type aligns with your specific requirements.


The installation of smart door locks is based on your existing door structure. Ensure the smart lock is compatible with your door's size, style, and existing lock setup. Some smart locks may require specific door thickness or handle types.

Security Considerations

You also need to take security features into account. Door locks are the first barrier for your home and help manage access control. Before purchasing one, ensure that your chosen device has some security measures implemented. These measures include encryption, two-factor authentication, and anti-tamper features.

Smart Home Integration

Smart door locks are often an essential part of a smart home system. If you already have a home automation system, having the smart lock compatible with your existing smart devices is better for seamless integration and automation. Pay attention to the communication technology your lock uses. Standard smart home protocols include Zigbee, Z-wave, Thread, and Matter.

Price and Budget

Last but not least, consider the price and compare it to your budget. You'll spend between $100 and $450 when buying a smart lock. You can compare products from different brands to pick out the best choice.


How much does it cost to get a smart lock installed?

The average cost of installing a smart lock is $300 in the United States. Installing a smart door lock and related accessories costs between $250 to $400. The lowest price can be $150 for the installation of a simple model, while for some advanced ones, the cost can be high, up to $1200.

Can I put a smart lock on an old door?

It depends on the device you've chosen. You can put it on if your new smart lock is compatible with old door setups. But some smart locks require specific door thickness or handle types.

Do smart locks deter burglars?

Yes, smart locks can deter burglars in several ways. First, their advanced security features, like encryption and multi-factor authentication, make unauthorized access more challenging. The keyless entry system reduces the risk of burglars picking or bumping traditional locks. Furthermore, remotely monitoring and controlling safety can create the impression of an occupied home, deterring potential intruders.

What if my smart lock battery dies? How do I access my home?

If your smart lock battery dies, you may lose access to keyless entry options like mobile app control or biometric authentication. However, most smart locks offer backup access methods, such as physical keys or PIN codes, to provide access.


Smart door locks can add extra security for your home and loved ones. The installation of smart door locks is based on the existing door setup and hardware, and sometimes this process can be challenging. You can handle this work more efficiently by following the steps mentioned above.

Installing smart locks costs about $300 or higher. Consider the cost when you try to finish the work. How did you install your smart door locks? Do you find the installation complex? Tell us your experience in the comment section below and share this article with someone who may need it!


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Editor from Reolink. Interested in new technology trends and willing to share tips about home security. Her goal is to make security cameras and smart home systems easy to understand for everyone.