Residential Locksmith

Residential Locksmith Services

- 24/7 Emergency Services

- Fully Licensed & Insured

- Affordable Rates

Residential Locksmith Services

- 24/7 Emergency Services

- Fully Licensed & Insured

- Affordable Rates

Providing Quick Residential Locksmith Services

SNZ Locksmith has provided prompt and reliable residential locksmith services for over 50 years. You can count on us for all your home security needs:


  • Lock-outs
  • Lock replacement
  • Deadbolt installation
  • Window gates
  • Re-keying
  • Doors repaired/ replaced
  • And other Services to keep your home safe


Warranties are available for select services. Call us today for more information.

24/7 Emergency Services Are Available

Call Us Today

(516) 294-5600

(516) 294-5600
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"Mike from SNZ is great! My lock was seized and I broke the key off in it trying to open my door…. He came out right away and got me into my house! If you’re in Nassau county and need a locksmith I highly recommend SNZ!!"

- Angelo S.

Learn More About

SNZ Locksmith Inc.

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