Commercial Locksmith
A restaurant has more doors than almost any other business its size, and most of them get used by people carrying something with both hands. The locksmith work that matters in a NYC restaurant or bar is unglamorous: a rear door that locks from outside and always opens from inside, a roll-down gate that actually closes, a key system that survives staff turnover, and a walk-in nobody can be shut inside.
Walk a typical New York restaurant and count the openings. Most owners are surprised by the number, and by how many are unsecured during service because propping a door beats carrying a key.
Start here, because it is the one place where a security decision can become a life-safety problem. Where a door is a required means of exit, people inside have to be able to get out without a key, without special knowledge and without special effort. That rules out any arrangement where a staff member would need to find a key, a padlock or a manager to leave the building.
The practical hardware answers are familiar: a deadbolt with a thumbturn on the inside so the door locks from the street but opens from the kitchen, or panic hardware with key-controlled trim on the outside, so staff push the bar to leave and the door relocks behind them while management decides who gets back in. What is not an answer is the chain and padlock that quietly appears on a back door after a theft - see NYC fire escape and egress door lock requirements and panic bar and push bar repair.
Two practical notes. First, the failure mode is almost never the hardware - it is the propped door. A back door wedged open through a dinner service is an unlocked building, and the usual response to the resulting theft is to add the wrong hardware rather than fix the habit. Second, whether a specific door in your space counts as a required exit is a code question for the Department of Buildings, the FDNY or your architect or expeditor, not something to settle from a blog post or a hardware catalogue. Get that answer first, then buy hardware.
Commercial door hardware does not fail randomly. It fails from cycles, weather and the hand truck that hits it twice a day.
This is as New York as it gets. A large share of restaurants in older buildings take deliveries through a pair of steel doors in the sidewalk and store half their inventory below them. The hardware is almost always a hasp and padlock, almost always exposed to weather and road salt, and almost always ignored until it seizes on a delivery morning.
A few things make that opening behave. Use a padlock rated for outdoor use with a shrouded or closed shackle rather than whatever was on the shelf - choosing a padlock that holds up in NYC explains the difference and why it matters more here than almost anywhere. Keep the hasp itself in good condition, because an excellent padlock on a rusted hasp secures nothing. Service the lock on the same schedule as the rest of the equipment; a dry lubricant in the keyway twice a year prevents most seizures, and the general-purpose spray in the janitorial closet is a solvent rather than a lubricant - door lock maintenance covers the routine.
Hospitality has high turnover. That is not a criticism of the industry, it is the operating condition, and it is why key control is the single highest-value locksmith conversation a restaurant owner can have. The question is never "did we get the key back from the person who left." The question is how many copies of that key exist, and the honest answer in most restaurants is that nobody knows.
Shrinkage in a restaurant mostly walks out the back door in small amounts over a long period. The controls that address it are ordinary, and one of them has a hard safety limit attached.
The limit first: a walk-in cooler or freezer must always be openable from the inside. Every commercial box has an inside release for exactly this reason, and it should be tested on a schedule rather than assumed. Never add any hardware, hasp, padlock or chain that could leave a person shut inside a cold box. If a walk-in needs to be secured against theft, that is a question about when the building is empty and closed, not a question of adding something that defeats the inside release.
Rekeys between services, gate and door repairs before open, and emergency work when a key snaps mid-shift. Licensed and insured, all five boroughs, 24/7.
Restaurant lock emergencies cluster at two times: just before open, and just after close. The opening manager stands outside at 6am with prep to do and a key that will not turn. Or a key snaps off in the back door in the middle of a Friday service and the delivery is on the sidewalk.
The planning piece is simple and people skip it. Rekeying a full set of cylinders is not a ten-minute job, and it should not start at 5pm on a Friday. The workable windows in most restaurants are early morning before prep, the gap between brunch and dinner service, or after close.
Before the visit, have a short list ready: every door, what lock is on it, how many keys exist for it, and who holds them. If you want a master system, add what each role should be able to open - line cooks, bar, management, cleaners, the landlord. That list is the whole design conversation, and having it ready turns a two-visit job into one.
On choosing who does the work: New York City licenses locksmiths, and the license number should appear on the vehicle, the invoice and the website. Ours is NYC DCA #1362785-DCA. Ask for it, and be careful of any phone quote that is dramatically lower than everyone else's - that gap is where the on-site price change lives.
Never while anyone is inside. Where a door is a required exit, people have to be able to leave without a key, a padlock or a manager, and a chain on an occupied exit is a life-safety failure rather than a security measure. Whether a particular door in your space is a required exit is a question for the Department of Buildings, the FDNY or your architect, and the answer should come before the hardware.
There is no calendar for it, there are triggers: a key-holding manager leaves, a key goes missing, there has been a break-in, or the space changes hands. In most of those cases the cylinders only need rekeying rather than replacing, which is faster and cheaper than new hardware.
It is worth considering anywhere keys circulate among staff who change, which describes almost every restaurant. The value is not a stronger lock, it is that a departing staff member cannot have quietly had a copy cut at a hardware counter. It costs more per key and the keys are controlled, which is the entire point.
Yes for the hardware, with one absolute limit: a walk-in must always open from the inside. Every commercial box has an inside release and it should be tested regularly. No hasp, padlock, chain or added lock may ever compromise it. Securing stock in a walk-in is a question about a closed and empty building, not about defeating the inside release.
It depends on how many doors there are and what cylinders are on them, which is why a quick walkthrough first produces a real answer instead of a guess. Plan it for early morning before prep, the gap between services, or after close rather than mid-service.
Often yes, and sometimes it is the gate rather than the lock - a bent slat or a dropped track produces exactly the same symptom as a worn cylinder. A locksmith can tell you which one you have. Call (718) 412-1332 and describe what the gate does when it jams.