Security Guide
It is one of the first things people notice once they start looking at their door as a security problem instead of a door. There are three hinges holding it up, each one has a pin running down the middle, and on some doors the top of that pin is sitting right there in the hallway where anyone could tap it out with a screwdriver. The question that follows is reasonable: if someone pulls the pins, does the whole door just come off?
The honest answer is that it depends almost entirely on which way your door swings, and for most New York City apartments the answer is that your hinges are not the problem. This guide explains how to tell in about five seconds which category your door falls into, what an exposed pin actually buys an intruder, the fixes that matter in the order they matter, and the hinge failure that is far more common in NYC than any of this: a door that has quietly sagged out of alignment and no longer locks the way it should.
Stand on the outside of the door, in the hallway or on the stoop, and look at the hinge edge. If you can see the barrels of the hinges and the heads of the pins, the door swings toward you. That is an outswing door, and the hinges are on the attack side. If you see nothing but the edge of the door and the frame, the door swings inward, the hinges are inside the apartment, and nobody in the hallway can touch them.
Nearly every apartment entrance door in a New York City multiple dwelling swings inward, into the unit. That is the normal arrangement for residential corridors, and it means the hinge question is already settled before you buy anything. The hinges are behind a locked door. An intruder would have to already be inside to reach them.
Outswing doors do exist here, and they are worth knowing about. You find them on basement and cellar entrances, on utility and mechanical rooms, on some rear and side doors of houses, on shed and garage service doors, and very commonly on commercial exits, where the door is required to swing in the direction people travel to get out. If a door opens toward you from the outside, that is the door this guide is really about.
Less than people expect, and more than nothing. Removing the pins frees the two leaves of each hinge from one another, but the door is still held on the latch side by the bolt and the latch, and it is still trapped in the frame by the stop and, on many doors, by the weatherstripping and the fit of the slab itself. What usually happens is that the hinge edge comes loose and the door can be levered and twisted out at an angle. It is noisy, slow and awkward, and it leaves marks.
Compare that with how forced entry normally happens in the city. The common attack is a hard kick or a pry bar at the latch side, aimed at the strike plate and the few inches of frame behind it, because that is where a door is weakest and where the attack takes one second instead of two minutes. A burglar standing in a shared corridor is working against time and noise more than against hardware. That is why reinforcing the strike side is a better first dollar than anything you do to a hinge, and why we treat strike plates and frame reinforcement as the starting point for almost every door.
So the fair framing is this: on an outswing door, exposed pins are a real gap worth closing, and closing it is cheap. On an inswing apartment door, pins are not a meaningful risk and money spent there is money not spent on the side of the door that actually gets attacked.
A non-removable pin hinge, usually written NRP, has a small set screw in the barrel that seats into a groove in the pin. With the door closed the screw is hidden inside the hinge and cannot be reached; with the door open you can back it out and service the hinge normally. Many hinges sold for exterior and commercial use already have this feature. On an outswing door it is the single most direct answer to the pin question, and it is often a matter of swapping a set of hinges rather than touching the door or the frame at all.
A security stud is a fixed pin on one hinge leaf that drops into a matching hole in the other leaf when the door closes. Even with the hinge pin gone, the two leaves stay interlocked and the door cannot be lifted off. Some hinges come with studs built in. On hinges that do not, the same effect can be created in the field by driving a headless screw partway into one leaf and drilling a shallow receiving hole opposite it. It is an old, inexpensive technique and it works.
This one applies to every door, inswing and outswing alike, and it is the fix most often skipped. Hinges are frequently hung with short screws that bite only the door jamb, which is a thin piece of trim. Replacing the longest screw in each hinge leaf with one long enough to pass through the jamb and into the structural framing behind it ties the door to the building rather than to a strip of wood. On a kicked door, that is often the difference between a scuffed frame and an open apartment.
In a prewar NYC building the frame may be steel rather than wood, in which case this does not apply and should not be attempted; the right move there is to make sure the existing fasteners are tight and intact. If you are not sure what your frame is made of, that is a good thing to ask a locksmith to look at while they are there.
On a heavy or high-traffic door, the upgrade that pays is usually mass rather than gadgetry. Thicker hinge leaves, ball-bearing hinges, or a continuous geared hinge that runs the full height of the door spread the load along the whole edge instead of concentrating it at three points. Continuous hinges are standard on busy commercial entrances for exactly that reason, and they have no exposed pin to pull because they have no pin at all.
Most hinge service calls in this city have nothing to do with security. They are about a door that has dropped. Hinge screws work loose over years of slamming, the top hinge takes the most strain and lets go first, and the door settles a fraction of an inch. The symptoms are familiar: the door scrapes the saddle, you have to lift the handle or shoulder the door to get the bolt to throw, the deadbolt only turns smoothly when the door is pulled tight, or the latch misses the strike entirely and the door drifts open.
It is tempting to blame the lock, and people often replace a perfectly good cylinder before anyone looks up at the hinges. If your door has started fighting you, read why a door will not lock properly before you buy hardware. A sagging door is also a security issue in its own right, because a bolt that is not fully extended into the strike is doing a fraction of the work it was designed to do.
The fix is usually cheap: tighten or replace the hinge screws, move to longer screws where the holes have worn oversize, and in bad cases fill and redrill the jamb so the fasteners bite fresh material. It is a short visit, not a project.
Apartment entrance doors in NYC multiple dwellings are normally self-closing fire-rated assemblies, and the rating covers the entire assembly, not just the slab. The door, the frame, the closer and the hinges are all part of what was listed and approved together. Substituting hinges on a rated door is not a free choice, and the wrong swap can compromise the rating even if the new hinges are objectively heavier. Our guide to fire and exit door requirements in NYC covers the same principle as it applies to locks.
If you live in a co-op or condo, the building usually has its own say about anything visible from the corridor or anything attached to the entrance door, and hinges are attached to the entrance door. Ask before you schedule work. Getting co-op board approval for door hardware walks through how that conversation normally goes and what the managing agent will want to know.
Renters have a simpler rule and a narrower one: the entrance door is the landlord's, alterations generally need permission, and a sagging door or a loose hinge is a repair request rather than a project you pay for.
Anything on that list that comes back wrong is a short service call, not an emergency. If several of them come back wrong at once, the door is overdue for attention and the locks are probably doing more work than they should. Broader hardening options are covered in how to improve apartment door security.
Say which way the door swings, whether it is an apartment entrance in a multiple dwelling, whether it is labeled as fire rated, what the frame appears to be made of, and what the door is actually doing wrong. Those five answers get you the right visit. A hinge question and a sagging-door question often turn out to be the same job, and both are usually handled in one trip by a residential locksmith.
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Only if the hinges are on the outside, which means the door swings toward you when you are standing outside it. Even then the door is still held by the bolt and the frame stop, so it has to be pried and twisted out rather than simply lifted away. Most NYC apartment doors swing inward and the hinges are not reachable at all.
Stand outside the door and look at the hinge edge. If you can see the hinge barrels and the tops of the pins, they are exposed and the door is an outswing door. If you see only the edge of the door and the frame, the hinges are inside and nobody in the hallway can get to them.
It is a hinge with a small set screw in the barrel that locks the pin in place. With the door closed the screw is hidden inside the hinge, so the pin cannot be driven out. With the door open the screw can be backed off for normal service. It is the most direct fix for an outswing door with exposed hinges.
Usually yes, and for a different reason than hinge pins. Short screws grip only the thin jamb, while a longer screw passes through the jamb into the framing behind it and ties the door to the building. That helps against a kick at the latch side. It does not apply to a steel frame, so confirm what your frame is before drilling.
Very often it is. Hinge screws loosen over the years, the top hinge usually gives first, and the door settles just enough to push the bolt out of line with the strike. Tightening or replacing the hinge fasteners is cheap and frequently fixes a lock that seemed to be failing.
Check first. An apartment entrance door in a multiple dwelling is normally part of a listed fire-rated assembly, and the hinges are part of what was approved with it. Co-op and condo buildings also tend to have rules about the entrance door, and renters need the landlord's permission. Ask the building before scheduling any work.