Very secure. A shipping container is a sealed box of 14-gauge Corten steel with one working opening: the cargo doors, which lock from a single point and already carry a welded lockbox over that point on every unit we sell or rent. What actually changes the picture from there is the padlock you choose, which way the doors face, and whether you add lighting or a camera mount.
Start with the box itself. Every wall, the roof, and both doors are 14-gauge Corten steel, thick enough that a crowbar or a hand drill gets nowhere fast. There is exactly one way in without a torch, and that is the cargo doors. Everything about container security comes down to how well that one opening is protected, because the rest of the box is already about as hard a target as a piece of steel can be.
That is why the security question has a short answer and a longer one. Short answer: very secure by default. Longer answer: it stays that way only if you do not treat the one weak point like an afterthought.
A welded lockbox ships on every container we deliver, sold or rented, no extra line item and nothing to ask for separately. It is a steel shroud built over the padlock position so the lock sits recessed instead of hanging out in the open, and it goes on before the truck ever leaves the yard.
The lockbox does its job, but it only protects whatever padlock you put inside it. A cheap hardware-store lock with an exposed shackle wastes the protection the box is built to give. See our page on which lock actually holds up for the specifics.
Door orientation matters too. A container with its cargo doors backed against a fence, a building, or another container gives an intruder nothing to work with. Doors left facing open ground are an easier approach, even with the same steel and the same lockbox.
Beyond the doors, lighting and a camera do more for deterrence than they do for stopping a determined break-in, but deterrence is most of the job on a residential lot or a quiet jobsite. Mounts and rough-in electrical for those can be added; see our security upgrades page for what that involves.
On an active jobsite, the container usually sits with tools and copper inside it and nobody around after the crew leaves for the day. That is exactly the setup a lockbox and a hardened padlock were built for, and it holds up far better overnight than an open trailer bed or a chain-link gate.
On a residential lot the risk profile is lower, but the same rules apply: lock quality and door orientation still do the heavy lifting. A container in a driveway with the doors facing the house and a decent lock is not a target most people bother with.
For most storage and jobsite use, the standard setup, steel box, single lockable point, welded lockbox, is enough. If you are storing something worth more than the container itself, or the site sits somewhere with a real theft history, extra hardened hasps for a second lock and camera-ready mounts are available as add-ons. Pricing on those is quoted per job, so call and describe what you are protecting.
Call and describe the site and what's going inside. We'll tell you what's already covered and what's worth adding.
Same-day reply. We'll send a real number, a real delivery window, and any photos we need to confirm fit.
You'll hear back from us today (or first thing tomorrow if it's late). For anything urgent, call (276) 237-6144.