12 Ways to Improve Your Garage Door Security

A garage door can be well-maintained and in great condition, but even the best garage doors can have hidden security problems lurking.

A compromised opener code, a faulty lock, or a damaged door panel can leave the garage vulnerable. For example, a lost remote control may seem like a minor inconvenience until it falls into the wrong hands.

Before buying a new lock or security camera, check where your garage might be vulnerable. Some security problems are easy to fix, while others depend on the type of garage door and opener you have, or whether your garage connects to your home.

Start with the quick security check below, then go through 12 practical ways to improve your garage door security.

Where Is Your Garage Most Vulnerable?

Start at the driveway and work your way toward the house. Check what someone outside can see through the garage windows, whether the garage door closes all the way, and whether the side door and the door leading into your home lock properly.

Once you’ve checked the doors and windows, think about who can still operate your garage door. Make sure you know where all the remotes are, who has the keypad code, and which vehicles and smartphone accounts have access. Could someone still open your garage door without your knowledge?

Make a note of anything that looks suspicious, is damaged, or you’re unsure about. A missing remote, a garage door that doesn’t close properly, and an exposed side entrance each need a different solution. Once you know where your garage is vulnerable, you can focus on the improvements that matter most from the 12 security tips below.

1. Keep Your Garage Door Closed

Leaving your garage door open makes other security measures less effective. Someone doesn’t need to get past a lock or figure out an opener code if they can simply walk inside. Even when you’re home, leaving the door open while working in the yard or stepping away for a few minutes can give someone easy access to your garage and belongings.

Make it a habit to check that your garage door has closed completely before driving away or going inside. Some garage door openers have a Timer-to-Close feature, while others allow you to add one. After a set amount of time, the opener automatically attempts to close the door. It’s a useful backup if you forget to close it.

But whether you press the remote or use the timer feature, don’t assume the door closed. An obstruction or malfunction can cause it to reverse or stop before reaching the floor.

2. Protect Your Garage Door Remotes

A garage door remote sitting on your dashboard or clipped to the sun visor isn’t a security problem per se. The bigger concern is that someone could steal it from your car and use it to open your garage. It’s best not to leave handheld remotes in your vehicle, especially if you park outside.

If you’d rather not keep a handheld remote in your car, there are three alternatives:

• Use a keychain remote. Keep it with your keys instead of leaving it in the vehicle.
• Use your vehicle’s built-in HomeLink controls. Not all vehicles have this feature, and someone with access to a programmed vehicle could still open your garage door.
• Use your smartphone. Many newer garage door openers have built-in Wi-Fi and let you operate the door through an app. Some older models can also be upgraded with compatible smart controllers.

If your remote is lost or stolen, simply buying a replacement won’t stop the missing one from working. Many garage door openers let you erase stored remote codes from their memory, so the old remote can no longer operate the door. The steps vary by model, and clearing the memory may also erase other remotes, keypads, and vehicle controls. You’ll need to reprogram those afterward.

Some garage door openers have a Vacation or Lock Mode that temporarily disables wireless remotes and keypads. The feature can be useful when you’re away for an extended period or simply want to disable remote access for a while.

If you’re selling or trading in a vehicle with HomeLink, remember to erase its programmed buttons before handing over the keys.

3. Use Secure Garage Door Keypad Codes

A wireless keypad lets you open your garage without a remote, but anyone who knows the PIN can use it too. If you’re still using a code left by the previous homeowner or one you’ve shared with several people over the years, it’s a good idea to change it.

Choose a PIN that’s hard to guess. Avoid obvious combinations like 1234, your house number, or birthdays. Some keypads also let you set a longer code instead of the usual four digits.

You may also be able to set temporary PINs for guests, contractors, or other visitors. Depending on the model, these codes can expire after a certain number of uses, a set amount of time, or when you enter your regular PIN again. This lets you provide temporary access without sharing your regular code.

Check your keypad’s instructions to see which options are available and how to delete a temporary code when it’s no longer needed.

4. Upgrade Older Garage Door Opener Technology

An older garage door opener can still work perfectly well, even if its security technology is outdated. Many older models used fixed codes, often set by small DIP switches inside the remote and opener’s receiver. The remote transmits the same code every time you use it, making it easier for someone to capture or duplicate the code and open your garage without permission.

Modern garage door openers use rolling-code technology, which changes the code every time you use the remote. A previously transmitted code cannot simply be reused to open the door. This offers much better protection against code grabbing than older fixed-code systems.

If your opener still uses fixed codes, you don’t necessarily need to replace the entire unit. Some older openers can be upgraded with an external rolling-code receiver and compatible remotes. However, the original fixed-code receiver must also be disabled to prevent it from being used.

Other models require a complete opener replacement. Check your opener’s model and security technology before deciding which approach will work for your system.

5. Secure Your Smart Garage Door Opener

A smart garage door opener lets you monitor and control your garage door from almost anywhere, but there’s a risk of someone accessing your account and opening the door without your permission.

To reduce that risk and keep track of when the door opens and closes, start with these three steps:

• Protecting your account. Use a strong, unique password and enable two-step verification if available. Keep the app and your smartphone updated.
• Checking who has access. Some systems, such as myQ and Aladdin Connect, let you invite other users and control their access without sharing your login information. Review the users you’ve added and remove anyone who no longer needs access.
• Enabling activity alerts. Set up your app to send you alerts when your garage door opens or closes, or when it’s been left open for too long. Make sure notifications are turned on in both the app and your phone settings, and test them to confirm they’re working.

If you’ve recently moved into a home with a connected garage door opener, make sure the previous owner can no longer control it through their account. Clearing the remote and keypad codes doesn’t always remove app access. Some openers require a separate process for that.

6. Add a Garage Door Lock for Extra Security

A garage door opener helps hold the door closed, but a separate physical lock can make it harder for someone to force it open. The important thing is choosing a lock that works with your garage door and opener.

Manual slide locks and keyed locking kits physically secure the garage door but are usually better suited to doors operated by hand. If you forget to unlock one before using an automatic opener, you could damage the door or opener.

Some garage door openers work with automatic deadbolts that lock when the door closes and unlock before it opens. They provide extra security without having to use a manual locking mechanism. However, compatibility depends on the opener model, and if the lock malfunctions, you could be locked out of your garage if there’s no other way in.

Before installing a lock, check which types are compatible with your garage door and opener. Our guide to garage door locks explains the different options and where each works best.

7. Protect the Emergency Release Without Compromising Safety

The emergency release cord lets you disconnect the garage door from the opener so you can operate it by hand, such as during a power outage. However, on some garage door systems, someone trying to break in may be able to reach the release mechanism from outside and disconnect the opener.

One way to reduce this risk is to install a protective shield that makes the release mechanism harder to reach from outside. Make sure the shield is compatible with your opener and doesn’t interfere with the emergency release.

Using a zip tie to secure the release mechanism or removing the red cord might seem like a simple security fix, but either can make the manual release difficult or impossible to use in an emergency.

If you’re concerned about someone using the emergency release to gain access to your garage, have a technician from a licensed garage door company check your setup and recommend a solution that keeps the manual release working properly.

8. Keep Your Garage Door in Good Repair

Some garage door problems can leave your garage less secure. A damaged panel can prevent the door from closing all the way, a faulty lock may not engage properly, and an off-track door can leave the garage exposed.

Take a look at your garage door when it’s fully closed. Check for unusual gaps around the opening, bent or separating panels, and locks that don’t work properly. A small cosmetic dent isn’t necessarily a security concern, but damage that affects how the garage door closes or locks shouldn’t be ignored.

If the door is crooked, has damaged tracks or cables, or won’t close properly, don’t force it shut or try to adjust the hardware yourself. Have a garage door repair technician inspect the problem and explain what needs to be repaired.

9. Consider Stronger Garage Door Construction

The way a garage door is built can make a difference in how well it stands up to physical force. Thin, single-layer steel panels may bend more easily than doors with heavier, reinforced construction.

Steel garage doors are built in different ways. A basic single-layer door has one layer of steel, while a three-layer steel-back door has an insulated core between two steel layers. The additional steel layer generally makes the door more rigid and harder to bend or damage. Solid wood garage doors can be strong and durable as well.

If you’re considering replacing your garage door to improve security, compare the panel construction, material thickness, reinforcement, and locking hardware.

A stronger garage door may offer additional protection, but it won’t necessarily prevent a break-in. Replacing a door that’s already in good condition just for security may not be worth the cost.

10. Improve Privacy Around Garage Windows

Garage door windows let natural light into the garage, but clear glass can also let people outside see what’s inside.

If you want to keep the natural light without having your belongings visible from outside, frosted glass or privacy window film can help.

Dark tints and reflective films can also make it harder to see inside during the day, but they don’t always provide privacy at night when the garage lights are on. Frosted, obscure or textured glass offers more consistent privacy, although shapes and silhouettes may still be visible.

11. Improve Garage Lighting and Surveillance

Good lighting makes it harder for someone to approach your garage unnoticed after dark. Motion-activated lights come on when they detect movement, while dusk-to-dawn lights stay on throughout the night. Consider placing lights near the garage door, driveway, and side entrance, especially in areas that aren’t easily visible from the house or street.

Security cameras let you monitor activity and can also record what’s happening around your garage. Aim outdoor cameras at areas where someone might approach the garage, not just at the door itself. Check the camera’s view during the day and at night to make sure the important areas are visible.

Some newer garage door openers also have built-in cameras. These are usually mounted on the opener’s motorhead inside the garage, so they don’t give you the same view of your driveway and entrances as an outdoor camera.

12. Secure the Door Between Your Garage and Home

If your garage is attached to your house, the door leading into your home should be just as secure as your front or back door. Even if someone manages to get into your garage, they’ll still have to get past that door to enter your home.

Keep this door locked, even when you’re home. Make sure it closes on its own and latches properly, and check that the door is sturdy and the strike plate is securely attached to the frame. If it doesn’t already have a good-quality deadbolt, consider adding one.

If your garage has a separate side door, check its locks and hardware, too. Whatever locks you use, make sure you can still get out quickly in an emergency. Don’t alter or disable any fire-safety features on the door between your garage and home.

What Should You Fix First?

Start with anything that could let someone into your garage right now. Once those problems are taken care of, you can decide which other security improvements are worth making.

• Check who can open your garage. If a remote is missing, someone who shouldn’t have access knows your keypad code, or the previous homeowner may still be able to control the opener through an app, deal with that first.
• Fix anything that keeps the door from closing or locking properly. If the door won’t close all the way, the lock is broken, or hardware is damaged, have the problem inspected and repaired. Don’t force a malfunctioning door or try to make dangerous adjustments yourself.
• Look at other ways to improve security. Once the garage closes and locks properly and you’ve checked who can operate it, consider whether better lighting, window privacy, security cameras, or an equipment upgrade would help. Focus on improvements your garage actually needs rather than buying security products unnecessarily.

If you’re not sure whether a problem is safe to handle yourself, have a garage door technician inspect the door, opener, and locking system before making changes.

Security Risks Around Your Garage You Might Overlook

Your garage door isn’t the only thing to check. Things around the garage can make it easier for someone to approach without being seen or reach a vulnerable area.

What to Look For	Why It Matters	What You Can Do
Overgrown shrubs or trees	They can hide someone approaching a side entrance or window.	Trim shrubs and branches that block the view of garage entrances.
Ladders, trash bins, or stacked furniture	These can help someone reach windows or other openings higher up.	Store ladders securely and move anything someone could climb on away from windows or other openings.
Tools and heavy objects left outside	Someone could use these items to damage garage doors, locks, or windows.	Keep tools and equipment secured when they’re not in use.
Side gates that don’t latch	An unsecured gate can make it easier to reach parts of the garage that aren’t easily seen.	Check that gates close and latch properly.
Valuables or product packaging left in plain sight	They can let people know there may be expensive items inside the garage.	Keep valuable items out of sight and avoid leaving packaging from expensive purchases where others can see it.

Keeping Your Garage Secure

Garage security isn’t a set-it-and-forget-it thing. Remotes can go missing, access codes get shared, and locks or other hardware can wear out with regular use.

Check your garage’s security whenever you move into a new home, replace an opener, or notice a problem with the garage door.

A few simple precautions and timely repairs can help you keep your garage secure without spending money on improvements you don’t need.

Need Help With Garage Door Security in Orange County?

If your garage door won’t close or lock properly, or you’re not sure whether a new lock or opener will work with your existing setup, Champion can inspect the door and opener and explain which repairs or upgrades could help make your garage more secure.

Call 714-274-7655 or schedule service online.