Serving Suffolk & Nassau Counties Since 1936

For more than 80 years, SL Security Pros has served Long Island homes, businesses and vehicles with professional locksmith and security services. Thousands of people have relied on us over the years and continue to rely on us due to our integrity and professionalism.

As a family owned and operated company, we value great relationships. That’s why everyone on our team, whether a member of the family or a friend who may as well be family, has the same customer-first service philosophy. Whether you just bought a new home and need new locks or a Home Automation System, are expanding your business and need an upgraded security system or lost your car key and need emergency roadside assistance, we serve you with a diligent, whatever-it-takes attitude.

We are licensed, bonded and insured, and available 24 hours a day to meet your security and locksmithing needs. Simply call us when you need us.

Commercial Services

Residential Services

Automotive Services

  • Computer Chip Keys

  • Remote Key Fobs

  • Alarms & Remote Starters

  • Ignition, Trunk & Door Locks

  • Motorcycle Locks

  • GPS Tracking Systems

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We also provide remote support so we can troubleshoot security issues without a service call.

NYS OGS TITLE #77201 | NYS OGS AWARD #20191 | NYS OGS Security Contract #PT66926