When social order cracks, physical security becomes your primary concern. Unfortunately, the standard-issue wooden door and basic deadbolt provided by your landlord offer little resistance to a determined intruder. Studies show that most residential break-ins involve simply kicking the door off its hinges or shattering the wooden frame around the deadbolt. Most of these fixes cost under $20 — check our budget apartment preps list for more cheap wins.

As a renter, you can’t install steel doors or drill massive bars into the walls. However, you can make cheap, non-permanent upgrades that will make your apartment significantly harder to breach. Pair these with our fire safety guide for complete apartment protection.

1. The Hinge Screw Upgrade (The $3 Fix)

The weakest point of your door isn’t the lock; it’s the strike plate and hinges. Most apartment doors are installed using standard 1/2-inch screws that barely penetrate the door frame.

The Fix: Unscrew one hinge screw at a time (leaving the others in place so the door doesn’t fall). Replace the 1/2-inch screw with a 3-inch hardened steel wood screw. This drives deep into the actual wall stud behind the cosmetic door frame. Do this for all the hinges and the strike plate. It costs less than $5 and makes the door exponentially harder to kick in.

2. Security Bars (Non-Destructive Reinforcement)

If things get truly bad during a blackout or riot, you need physical bracing.

The Fix: Buy a heavy-duty, adjustable door security bar (often called a “Jammer”). One end hooks under the door knob, and the rubberized foot wedges against the floor. Because it uses the floor’s friction and the angle of leverage, force applied to the outside of the door pushes the foot tighter into the ground. It requires zero drilling, leaves no marks, and takes two seconds to set up at night.

🔍 Reddit Insight: Friction is Everything

"Door bars work incredibly well, but only if you have the right flooring. If you have smooth tile or polished hardwood right inside your door, the rubber foot will slip if kicked hard. Put a small anti-slip rug pad or a strip of grip tape where the bar meets the floor." — r/Homesteading

3. Portable Door Locks

For traveling or adding an extra layer of indoor security, portable door locks (like the Addalock) are incredibly effective.

The Fix: These metal devices slip into the strike plate before you close the door. Once the door is shut, a metal wedge slides into the device, physically preventing the door from opening, even if someone outside has a master key. This is especially vital in apartments, where landlords, maintenance crews, and previous tenants might have keys to your unit.

4. Window Security Films

If you live on the first floor or have a window near your fire escape, glass is your second biggest vulnerability.

The Fix: You can buy 3M shatter-resistant security film on Amazon. It applies to glass using a simple squeegee and soapy water (completely removable later). While a burglar can still break the glass, the film holds the shards together like a car windshield. It turns a quick “smash and grab” into a loud, two-minute ordeal involving a baseball bat, which is usually enough to make an intruder walk away.

Deterrence Over Defense

The goal of apartment security isn’t to turn your unit into Fort Knox. Burglars look for fast, quiet, and easy entries. By upgrading your screws and wedging a door bar, you make breaking into your apartment loud and exhausting. They will simply move on to an easier target.