Hamilton Area: (609) 890-6200 | Princeton Area: (609) 921-0911 | Toll Free: (800) 828-5404

Lock Replacement and Repair in New Jersey

We provide lock replacement service to Mercer County NJ, Princeton NJ, and Hamilton, NJ


Need a door lock repaired on your home, business or vehicle? Mercer Safe & Lock offers both residential and commercial door lock repair, as well as car door lock repair. In addition to lock repair, we also offer
complete high security locks, and door lock installation.

Our focus is to meet the needs of you, our customer. Whether it is a quick visit to repair an old lock for the budget-conscious, or upgrading the security of your home or business to restricted access systems, no job is too small or too big. Give us a call today for any of your lock, key or safe related needs at

Some of the Lock Replacement and Repair Services we offer:

Automotive Locks

  • Vehicle Lockouts or car door unlocking for when you’re locked out of your car or truck.
  • Truck, Van, Car key replacement for lost or stolen sets of keys.
  • Truck and Car Ignition Repair or replacement.
  • Broken key extraction for when you break it off in your ignition, trunk or door.
  • Transponder chipped key programming and transponder key replacement.

Commercial Lockscard_access

  • Re-keying for newly acquired property and or employee dismissal.
  • Lock repairing or replacement.
  • Master re-keying setup and integration.
  • File cabinets.
  • Tenant eviction re-key service.
  • Emergency lockout service.

Residential Locks

  • House re-keying.
  • Emergency Home lockout service for when you are locked out of your home.
  • Door Lock Installation and repair or replacement.
  • Security door install.
  • Heavy duty strike plate installation.
  • Key replacement


Need immediate locksmith assistance?
Call Mercer Safe and Lock at 1-800-828-5404