
Lock and Tech USA is a locksmith that makes car keys on-site throughout
NYC — cut, programmed, and tested at your location in a single visit.
Lost all your keys? Need a spare? We come to you fully equipped for
every key type: standard metal keys, transponder chips, proximity fobs,
and smart keys. No dealership appointment. No towing. Same day.
Since 1998, we’ve been securing homes and businesses across NYC and New Jersey with professional security solutions you can trust. Our licensed technicians provide 24/7 emergency service, using only the latest technology and backed by comprehensive warranties on all installations.

When you need a locksmith that makes car keys, the difference between providers comes down to one thing — equipment. Any locksmith can cut a basic metal key. Far fewer carry the professional-grade cutting machines, transponder programmers, and key blank inventory required to produce a fully working key for a modern vehicle on the spot.
Lock and Tech USA operates as a fully mobile locksmith to make car keys serving all five boroughs of NYC. Every mobile unit carries an extensive key blank library, computerized cutting machines, and programming tools compatible with virtually all domestic, European, and Asian vehicle makes. We locksmith make car keys from scratch — cut and programmed at your location, tested before we leave.
Our service covers every scenario: lost keys with no spare remaining, a single key that needs a duplicate, a broken key requiring replacement, and keys that need reprogramming after a battery change or ECU replacement. One call, one visit, complete service.
Every vehicle lock has a factory key code — a numeric sequence that defines the exact cuts on the correct key blank. When you have documentation, a locksmith can pull this code and cut a precise replacement immediately. When no code is available, a skilled locksmith that can make a car key decodes the lock directly — reading the internal wafer positions through the keyway to determine the exact cuts needed.
Lock and Tech USA uses both methods depending on the situation. Code cutting is fastest when the VIN and ownership documentation are available, as codes can often be retrieved from manufacturer databases. Decode cutting is used when documentation isn’t accessible or when we’re working from the lock itself rather than records.
Both approaches produce keys cut to manufacturer specification — not approximations. A properly cut key operates the lock smoothly without excess wear, which matters for high-security cylinders and for the long-term health of ignition tumblers.
The majority of vehicles manufactured after 1995 use transponder keys — keys with a small electronic chip embedded in the plastic head that communicates with the car’s immobilizer. Without a correctly programmed chip, the engine won’t start even if the key blade is cut perfectly. A locksmith make keys for car service that only cuts the blade and ignores the transponder leaves you with a key that opens the door and nothing else.
Lock and Tech USA programs transponder keys using professional-grade tools compatible with all major vehicle security protocols — including Texas Instruments, Philips/NXP, Megamos, Hitag, and DST systems across hundreds of makes and models. Programming is performed at your location and typically completes in 15–30 minutes.
We handle all transponder key scenarios: replacement when all keys are lost, additional keys for multiple drivers, spare keys before the original is lost, and reprogramming after battery changes or security system resets. All programming follows manufacturer protocols to ensure long-term reliability with all vehicle systems.
Modern vehicles increasingly use proximity key fobs and push-button start systems that require no physical insertion into the ignition. These smart keys communicate with the vehicle continuously and must be electronically enrolled in the car’s security system before they function. As a locksmith that can make car keys for contemporary vehicles, Lock and Tech USA handles the full smart key production process — sourcing the correct aftermarket shell and electronics, cutting the emergency blade, and enrolling the fob to your specific vehicle.
Key fob services also include remote entry programming for vehicles where the fob controls locking and unlocking but not the ignition, battery replacement combined with reprogramming where required, and shell replacement when the fob electronics are intact but the housing is cracked or damaged.
Most smart key and fob programming completes within 30–45 minutes on-site. We test all functions — remote entry, trunk release, push-button start, and panic — before completing the job.
Losing every key to a vehicle is the most demanding scenario for a locksmith make a car key service. With no working key present, the vehicle cannot be started to verify programming, and some security systems require additional steps to accept new keys when the existing key count reaches zero.
Lock and Tech USA specializes in all-keys-lost situations for all vehicle types. The process involves decoding the lock to determine the correct key cut, sourcing the correct blank and transponder chip combination, cutting the new key, and using specialized programming procedures designed specifically for all-keys-lost scenarios — which differ from standard additional-key programming on many vehicle platforms.
Most all-keys-lost replacements complete within 45–90 minutes on-site. We strongly recommend getting at least two keys made in this situation — the cost of a second key at the time of service is a fraction of what another all-keys-lost call would cost later.
Having a single key for a vehicle is a situation waiting to become a problem. A locksmith make car key duplicate service costs significantly less than emergency replacement, and having a spare eliminates the risk of an all-keys-lost scenario entirely.
Lock and Tech USA creates duplicate car keys at your location for all key types — standard metal keys, transponder chip keys, and proximity fobs. Duplication from an existing working key is the fastest and most straightforward process: we cut the new key to match the original blade, clone or program the transponder to match the existing chip, and test both keys before leaving.
For transponder keys, cloning produces a second key with an independent chip that functions identically to the original — both keys work, and losing one doesn’t affect the other. We advise against key apps and hardware store duplicators for transponder keys: cutting the blade correctly but omitting the chip programming produces a key that opens doors and fails to start the engine.








Mon–Fri: 8 AM – 6 PM
Sat-Sun: Closed
1112 Quentin Rd, Brooklyn, NY 11229
1619 McDonald Ave, Brooklyn, NY 11230
245 E 115th St, New York, NY 10029
117 NJ-35 #11, Keyport, NJ 07735
