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Install-A-Lock is a Full Service, Emergency Locksmith Serving all of Nassau County

We have mobile locksmith vans all over Nassau County

Complete Rolling Locksmith Service Center.

Specializing In:

  • 24/7 Emergency Lock Outs
  • Transponder Keys
  • Car Keys Made
  • Rekey Auto Locks
  • High Security Keys Made
  • Key Duplications
  • Extraction of Broken Keys
  • Lost Keys

We Service You FAST with our Fully Equiped Locksmith Sevice Van.

Install-A-Lock is a Full Service Residential and Commercial Locksmith


  • Keyless Entry Systems
  • Safes – Amsec, Gard-All
  • Handle Sets – Emtek, Baldwin
  • Mortise Locks
  • Gun Safes
  • Fire Code Violations Removed – Installation of Panic Bar Hardware





Professional Service Since 1983


For nearly 30 years we have worked hard to become one of the most trusted locksmiths on Long Island. This success has been built on our professional skills and attention to detail, coupled with prompt and courteous service. Owner Gerard Schmitt is a Certified Professional Safetech and long-standing member of Associated Locksmiths of America (ALOA) as a Certified Master Locksmith. Install-A-Lock is the only locksmith you’ll need at home or at work.