Guardian Locksmith dispatches licensed, background-checked technicians across Nassau and Suffolk County for home, business, and automotive lockouts — day or night.
Dispatch Estimate
For most Long Island locations
From a 2 a.m. lockout to a full commercial master-key system, our technicians carry the tools and stock to finish most jobs in one visit.
Locked out of your house or apartment? A technician gets you back inside without damaging the door or the lock.
Learn more → EmergencyKeys locked in the car? We unlock most vehicles without scratching the paint or damaging the door.
Learn more → ResidentialMoved in, lost a key, or changed roommates? Rekeying makes old keys stop working without replacing the lock.
Learn more → ResidentialWorn, broken, or outdated locks replaced with new hardware that fits your door and your budget.
Learn more → ResidentialReinforced deadbolts and strike plates that make entry doors much harder to kick in or force.
Learn more → ResidentialKeypad and Wi-Fi smart locks installed, paired, and tested so you can stop carrying keys.
Learn more → ResidentialHome and business safes delivered, anchored, and set up so they stay put and stay locked.
Learn more → AutomotiveLost every key or only have one? We cut and program replacement car keys, including transponder keys, on site.
Learn more → AutomotiveDead, lost, or new key fobs and remotes programmed to your vehicle at your location.
Learn more → AutomotiveKey won't turn, stuck in the ignition, or worn out? Ignition cylinders repaired or replaced on site.
Learn more → CommercialOne master key for managers and separate keys for each tenant, office, or door.
Learn more → CommercialPanic bars and exit devices installed and adjusted so emergency exits open with one push.
Learn more →Tell us your location and what's going on. We quote a flat rate before anyone heads out.
The nearest available, ID-verified technician is sent straight to you — most arrivals in 15–25 minutes.
Your lock, key, or entry issue is resolved on the spot, with workmanship backed by our guarantee.
Our technicians are positioned across Nassau and Suffolk County so a real person is always close by — not dispatched from across the island.
Call Guardian Locksmith and a technician will be on the way in minutes — no matter the time.
Call (516) 555-0142