Why the garage door deserves more security attention than it gets
Homeowners routinely think about locks, deadbolts, and alarm systems for the front door, but the garage door — often a much larger opening, and frequently connected directly into the house through an interior door — gets comparatively little attention. A little focused effort here closes a real gap in most home security setups.
Upgrade old fixed-code remotes to rolling code
Garage door remotes made before rolling code technology became standard transmit a fixed, unchanging signal every time you press the button. In theory, that signal can be captured by a code-grabbing device and replayed later to open the door without your knowledge. Rolling code technology generates a new, unique code with every use, making that kind of interception effectively useless. If your opener is old enough to predate this (generally openers made before the early 2000s, though it varies by brand), upgrading is a meaningful, one-time security improvement.
Be thoughtful about where you keep your remote
Clipping a garage remote to your visor is convenient but means a stolen or broken-into vehicle hands over garage (and often home) access along with it. Consider a keychain remote you keep on you instead of leaving one permanently in the vehicle, or rely on a smartphone app or keypad entry as your primary method.
Set a real PIN on your keypad — not the default
Exterior keypads are a common convenience feature, but they're only as secure as the code set on them. Change any default code immediately upon installation, avoid obvious sequences (birthdates, repeated digits, your house number), and change the code periodically, especially after any household changes like a departing tenant, contractor, or house-sitter who had temporary access.
Make sure the door actually closes fully every time
This sounds basic, but a door that doesn't fully seat closed — due to a misaligned sensor, worn weatherstripping, or a balance issue — is a genuinely common, overlooked vulnerability. If you've ever driven away unsure whether the door closed properly, that uncertainty itself is worth resolving. Smart openers that send a close confirmation to your phone solve this directly; otherwise, periodically verify the door seats fully and address any sensor issues promptly — see our sensor troubleshooting guide.
Add visible deterrents
- Motion-activated exterior lighting near the garage door is one of the most cost-effective deterrents available, particularly for garages set back from the street or house.
- A visible camera, even a basic doorbell-style or standalone unit aimed at the garage door, discourages opportunistic attempts and provides useful footage if something does happen.
- Keep the area around the door clear of tall shrubs or storage that could shield someone from view while they attempt entry.
Don't overlook the service door and windows
A side or interior service door into a garage is sometimes secured less carefully than the main door itself, and garage door windows, if present, are occasionally overlooked as an entry consideration — though as covered in our window options guide, standard inserts are rarely large enough for practical entry. Still, make sure the service door has a proper deadbolt, not just the doorknob lock it may have shipped with.
For detached garages specifically
Standalone structures set back from the house face a slightly different risk profile since activity is less likely to be noticed quickly from inside — see our dedicated post on detached garage doors: what's different for security considerations specific to that setup.
Vacation and extended absence checklist
- Unplug or disable the exterior keypad temporarily if you won't be using it, or at minimum change the code before and after an extended absence.
- Ask a trusted neighbour to periodically check that the door is fully closed, especially after any storm that might affect power or connectivity.
- If you have a smart opener, set up status alerts so you're notified if the door opens unexpectedly while you're away.
- Don't announce extended travel plans publicly in ways that could signal an empty house for an extended period.
Integrating the garage into a whole-home security plan
The garage door shouldn't be considered in isolation from your broader home security setup. If you have an alarm system, confirm whether the interior door between the garage and house is included as a monitored entry point — it's a common gap, since homeowners often focus alarm sensors on the front and back doors and forget the garage-to-house connection entirely, even though it's frequently a less-secured, less-visible entry path once someone is inside the garage.
What to do if you suspect your remote code has been compromised
If you have any reason to think a former tenant, contractor, or previous remote has access you no longer want active, most openers allow you to clear all programmed codes and reprogram only the devices you currently want to have access. This is a quick reset that fully closes any lingering access from an old remote or code, and it's worth doing proactively after any change in household access rather than waiting for an actual problem.
A final practical note
Most garage security improvements here are inexpensive and take very little time to implement — a rolling code check, a keypad PIN change, a motion light. None of this requires an elaborate security overhaul; it's mostly about not leaving easy, well-known gaps unaddressed. A few small, deliberate changes close the vast majority of the practical risk.
Physical hardware security, not just electronic
Beyond remotes and keypads, physical hardware matters too — a manual lock or slide bolt on the inside of the door, used when you're away for an extended period, adds a genuine physical barrier beyond what the opener's electronic lock provides alone. Some homeowners view this as excessive for day-to-day use but appreciate having the option for longer absences.
Common myths about garage door security worth dispelling
A widely repeated but largely outdated concern is that someone can open any garage door with a universal remote purchased online — this was a real vulnerability with very old fixed-code systems decades ago, but modern rolling code technology, standard on essentially all openers sold in the last couple of decades, makes this specific attack impractical. The more realistic, practical risks are the ones covered above: an old fixed-code opener, a remote left in an unlocked vehicle, or a default keypad code never changed.
A reasonable, non-paranoid approach
None of this is about assuming the worst or over-engineering your garage's security. It's about closing a handful of specific, well-understood gaps that are genuinely common and genuinely easy to fix — most requiring no cost at all beyond a few minutes of your time. Treat it the same way you'd treat locking your front door: a sensible baseline habit, not a source of ongoing worry.
A five-minute security audit you can do today
Right now, check three things: is your opener's code rolling (not a fixed decades-old code), is your remote out of sight in your vehicle rather than clipped to a visor in plain view, and does your interior garage-to-house door actually lock. Those three checks alone close most of the common, easily preventable gaps.
A note on smart locks and app-based access
If you've added smart lock or app-based access features to your opener, keep the associated app and firmware updated, since security patches for these systems are released periodically and matter just as much for a garage door as they would for any other connected home device. An outdated app or firmware version can occasionally leave a known vulnerability unaddressed even on an otherwise modern system.
Exterior lighting as a low-cost deterrent
A motion-activated light covering your garage door and driveway approach is one of the most cost-effective security additions available, and it works alongside every other measure covered above rather than replacing any of them. Well-lit exteriors are consistently cited by security professionals as a meaningful deterrent, simply because most opportunistic activity prefers to avoid being clearly visible.
Talking to neighbours in your specific area
If you're on a community Facebook group or neighbourhood app for your specific Ottawa area, occasional posts about attempted break-ins or suspicious activity can give you a realistic sense of local risk patterns rather than relying purely on general advice. This local awareness, combined with the practical steps above, gives a more complete picture than treating security as a one-size-fits-all checklist.
We can assess your opener, remote type, keypad, and general hardware condition for common vulnerabilities during any regular service visit across Ottawa and the surrounding region. Call (613) 884-1488 to book a check or ask about upgrading to a more secure system.