Key Systems & Services throughout new Jersey and new york city

Monaco Lock Company, Inc of Jersey City, New Jersey, offers high end security locks, as well as timely lock installation and re-keying services to ensure your home or business is secure. Senior Citizen (with proper ID) discount is available on material.

Keying Systems

Setting up master key systems for our clients, we offer interchangeable core systems and restricted keyway systems that provide heightened security access. Additionally, we are able to set keys by code locking systems. Our systems are the best way to secure doors in the event keys are lost or stolen. Key systems are perfect for any home, commercial business, or industrial complex.


In the event a set of keys is lost or stolen, we can re-key the lock and cylinder, providing you with a new set of keys. Done on-site, our re-keying services provide you with peace of mind in a timely manner. If you lose your keys to your apartment or home, we can come to your home and will have to pick the lock to let the customer in and we can rekey and provide new keys.

Our Retail Showroom

For your convenience we offer master displays of our mechanical and electrical systems and are available to answer your questions regarding any of our services. Additionally, our showroom is stocked with fireproof safes, as well as a wide selection of door hardware. From door locks and car keys to high security automotive keys, we are able to cut new sets of keys while you wait.


Working with contractors and builders, we provide installation and repairs for electronic and mechanical locks, as well as door and hardware. From new construction and renovated buildings to custom locking systems and installation projects our services are available to suit your lock and security needs.

Key Duplication

We duplicate residential, commercial, car, truck, motorcycle, transponder, file cabinet, mailbox, high security, interchangeable core and padlock keys.