Professional Service

Car Key Replacement & Fob Programming
in Brooklyn, NY

Car key replacement used to mean long waits and high costs at a dealership. With modern mobile locksmithing, you can have a new key and programmed fob the same day and at a significantly lower price.

We replace keys for vehicles of all ages, from simple mechanical blades to advanced smart keys that require secure programming. Each job begins with a diagnosis to identify the exact key type and programming method required. We then cut an accurate blade, program the transponder chip if necessary, and test all remote functions.

Special attention is given to newer vehicles using rolling-code remotes and encrypted key protocols. In these cases, our tools follow manufacturer procedures to pair the new key securely without compromising the vehicle’s anti-theft systems. If a lost key incident occurred, we can often remove the lost key from the vehicle’s memory to prevent unauthorized access.

We also assist with ignition-related issues like keys stuck in the cylinder, worn tumblers, and ignition switch failures. Many ignition problems can be repaired on-site; in rare cases parts are ordered and a follow-up appointment scheduled for repair.

Choose Prime Locksmith for fast, professional, and secure key replacement — call (718) 850-0914 for immediate service.

Lost your car keys or need a spare fob programmed? Prime Locksmith provides mobile car key replacement and key fob programming across Brooklyn. We come to you — 15-minute response time.

4.9 Stars (387 Reviews)
Licensed & Insured
15-Min Response
15-Minute Response Time
Licensed & Fully Insured
4.9-Star Rated on Google
Mobile Service Fleet
About This Service

Mobile Car Key Replacement — We Come to You

There are few things more frustrating than standing in a parking lot in Downtown Brooklyn, realizing your car keys are nowhere to be found. Whether you dropped them down a subway grate on Atlantic Avenue, left them in a rideshare, or snapped your key off in the ignition, Prime Locksmith is here to help. Our mobile automotive locksmiths come to your location anywhere in Brooklyn with the tools and technology to cut, program, and deliver a new key on the spot.

Modern car keys are sophisticated pieces of technology. Gone are the days when any hardware store could cut a duplicate. Today's keys contain transponder chips, rolling codes, and proximity sensors that require specialized diagnostic equipment to program. We invest in the latest automotive locksmith technology to service every make and model — from a 1998 Honda Civic to a 2025 BMW i7.

Our mobile vans are equipped with on-board key cutting machines, diagnostic laptops, and an extensive inventory of key blanks and fob housings. We can handle transponder key programming, smart key replacement, remote fob programming, ignition repair, and emergency car unlock services. And because we're mobile, there's no towing, no dealership appointments, and no waiting days for a replacement key.

Our Services

What We Offer

Comprehensive solutions tailored to your needs.

Transponder Key Replacement

Most cars built after 1995 use transponder keys with embedded microchips. We cut and program replacement transponder keys for all makes and models. No original key needed for most vehicles.

      • All makes & models supported
      • On-site programming
      • No dealership required

Smart Key & Fob Programming

Modern vehicles with push-to-start use smart proximity fobs that communicate with your car's computer. We program OEM and compatible aftermarket fobs, including keyless entry remotes and integrated smart keys.

      • Proximity fob programming
      • Remote start key integration
      • Keyless entry remote pairing

Ignition Repair & Key Extraction

A broken key stuck in the ignition can leave you stranded. We extract snapped keys, repair damaged ignition cylinders, and rekey ignitions to match your existing keys. Fast, professional service.

      • Broken key extraction
      • Ignition cylinder repair
      • Rekey to existing keys
Why Prime Locksmith

Why Brooklyn Trusts Us

Mobile Service — We Come to You

No towing needed. Our mobile automotive locksmiths arrive at your location anywhere in Brooklyn with a fully equipped workshop on wheels.

15-Minute Response

Stranded without keys? We prioritize automotive calls and dispatch the nearest technician for rapid response.

50% Less Than Dealerships

Dealerships charge premium prices and keep you waiting. We provide the same OEM-quality keys and programming at a fraction of the cost.

Latest Diagnostic Technology

We invest in the newest automotive diagnostic and programming tools to service vehicles from every manufacturer.

What Our Customers Say

"Lost my only key fob for my Audi A4 in Prospect Park. Prime Locksmith came to my apartment in Park Slope, programmed a new fob in 25 minutes, and charged half what the dealership quoted. Absolute lifesaver."

— Alex T., Park Slope

"Snapped my key off in the ignition of my Ford Explorer in a Flatbush parking lot. The technician extracted the broken piece, cut a new key, and had me driving in under an hour. Incredible service."

— Diana R., Flatbush

4.9 average rating from 387 reviews
Our Process

How It Works

Simple, transparent, and professional from start to finish.

1

Call Us

Call (718) 850‑0914 with your vehicle year, make, model, and location. We'll confirm the key type needed and provide an upfront price.

2

Technician Dispatched

Our nearest mobile technician heads to your location with the appropriate key blanks, fobs, and programming equipment for your vehicle.

3

Key Cutting

Using precision laser or sidewinder key cutting machines, we cut a new key blank to match your vehicle's ignition and door locks.

4

Programming

We use dealer-level diagnostic tools to program the transponder chip or smart fob to communicate with your vehicle's immobilizer system.

5

Testing & Verification

We test the new key in all locks and the ignition, verify remote functions, and ensure everything works perfectly before leaving.

Service Areas

Serving All of Brooklyn & NYC

Prime Locksmith proudly serves every neighborhood in Brooklyn including Williamsburg, Park Slope, Bushwick, DUMBO, Flatbush, Greenpoint, Crown Heights, Bedford-Stuyvesant, Bay Ridge, Sunset Park, Borough Park, Fort Greene, Prospect Heights, Canarsie, East New York, Sheepshead Bay, and Coney Island. We also serve Queens, Manhattan, Staten Island, and parts of Long Island.

Our mobile fleet is strategically positioned across the borough to ensure rapid response times. No matter where you are in Kings County, we're never more than 15 minutes away.

Williamsburg Park Slope Bushwick DUMBO Flatbush Greenpoint Crown Heights Bay Ridge
FAQ

Frequently Asked Questions

Yes, in most cases. For vehicles with transponder keys, we can generate the key code from the VIN and cut a new key by code. For older vehicles, we can impression a key or use lock decoding. Some luxury vehicles may require proof of ownership.

Costs vary by vehicle. Basic transponder keys start around $80-$150. Smart keys and proximity fobs range from $150-$400 depending on the manufacturer. We beat dealership prices by up to 50%.

Most key fob programming takes 20-30 minutes. Some European luxury vehicles with complex immobilizer systems may take up to an hour. Our mobile technicians handle everything on-site.

Yes. We have experience with BMW, Mercedes-Benz, Audi, Porsche, Land Rover, Jaguar, Tesla, Lamborghini, Ferrari, and other high-end manufacturers. Our diagnostic tools cover virtually every automotive security system.

We can attempt to program aftermarket or OEM fobs purchased online, but we cannot guarantee compatibility. We recommend letting us supply the fob to ensure it's the correct part for your vehicle.

Our mobile vans are equipped with laser key cutting machines that can cut high-security laser keys, sidewinder keys, and tibbe keys. We carry blanks for virtually every vehicle on the road.

Yes. If you have a working key, we can duplicate it and program a spare. Having a spare key can save you from expensive emergency replacement later. We recommend every driver carry a spare.

Ready to Get Started?

Call us now for fast, professional service anywhere in Brooklyn.

(718) 850‑0914

Available 24/7 — including weekends and holidays