Garage Door Security: The Gaps Most Texas Homes Leave Open

Published 2026-01-07 6 min read Titan Overhead Garage Doors TX

An attached garage is a room of your house with a very large door and, usually, an unlocked door into the living space. It gets treated as an outbuilding and secured like one. Here's what actually matters.

1. The emergency release vulnerability

Every opener has an emergency release cord, and on many doors it can be reached from outside by pushing a coat hanger through the gap at the top of the door and hooking the cord. It takes seconds and it's a known method.

Fixes, in order of preference: fit a release cord shield, shorten the cord so it can't be hooked easily, or fit a purpose made blocker. Do not simply remove the release, because you'll need it in a power cut. If your door has a large gap at the top, that's worth fixing anyway for weather reasons.

2. Rolling code, not fixed code

Openers made before roughly 1993 use a fixed code that can be captured and replayed. Modern units use a rolling code that changes with every press. If your opener predates rolling codes it also predates mandatory photo eye sensors, which makes replacement a safety upgrade as well as a security one. See opener installation.

3. The interior door is a real door

Treat the door from garage to house exactly like a front door: solid core, a deadbolt, and locked at night. Enormous numbers of homes leave this unlocked on the assumption the garage door is enough. It's also usually the fire rated separation, so a hollow door there is a second problem.

4. Don't leave the remote clipped to the visor

A car broken into on a driveway, or parked at an airport with the registration address on the insurance documents in the glovebox, hands over the garage. Use a keychain remote, or better, a keypad on the door frame and no remote in the vehicle at all.

5. Cover or frost the windows

Garage windows let people inventory your tools, see whether a car is home, and see whether the interior door is standing open. Frosted film costs almost nothing.

6. Lock it manually when you're away

Most doors have a slide lock or can take a padlock through the track above a roller. Engaged, the door physically cannot be lifted even if someone defeats the opener. Do this for holidays, and make absolutely sure it's disengaged before anyone uses the opener again, because running an opener against an engaged lock destroys the door.

Worth adding if you're upgrading anyway

Wi-Fi enabled opener: alerts if the door has been open for a set period, and lets you close it remotely. The number of doors left open by accident is much larger than the number forced.
Motion activated lighting: cheap and consistently effective.
Battery backup: a door that still works in an outage means nobody props it open during a storm.
Timer to close: built into many modern units, closes automatically after a set time.

The most common failure of all

Leaving it open. Not defeated, not forced, just open, often for hours, sometimes overnight. Every security measure above is downstream of the door actually being shut, which is the strongest practical argument for a connected opener that will tell you.

If your door is stuck open right now

Don't leave it. Use the manual release to close and lock it as a stopgap, and get it looked at. We run 24 hour emergency service precisely because a garage standing open overnight is a genuine risk, not just an inconvenience.

We work across Texas, including Plano, Mesquite, Round Rock and Pasadena. Call (877) 230-8949.