About Us

North Star Lock Service

About US

CRL Certified Locksmith

IL #191-000312

We come to you

A shop on wheels

With over 40 years of experience in the locksmith industry, we have a level of knowledge that allows us to provide you with the products you need, and what it takes to keep your residential and commercial properties safe.

We learned long ago that doing the job right from day one is the ONLY way to go!

The owner of North Star Lock Service, Jim Carpenter, has worked with some of the largest locksmith shops in the Northwest and Northern Suburbs.

Jim has also completed work for residential properties and corporations large and small. Some of these projects include developing and implementing master key systems, camera systems, card access systems, door closers, doors and frames installation, digital locks, digital garage keypads, garage door openers, high security locks and hardware, electric strikes, magnetic locks and repairing aluminum and steel doors. Just to name a few…

Jim is a long time resident of McHenry, Illinois. He prefers to travel to his clients companies and homes because it gives both himself, and the client, a better feel for the project at hand from the first handshake. Jim is well respected in the Locksmith industry, and his friendly outgoing nature makes clients feel at ease. We often receive the greatest compliments of all with repeat business and client referrals!

What We Do


Did you know that 9 out 0f 10 convicted burglars agree that they avoid a home or business protected by an alarm system? Let North Star Lock Service guide the way to your safety and security! LEARN MORE


Chicagoland has counted on North Star Lock Service lead the way to safety and security matter where the office is. We can re-key your existing locks or even discuss keyless entry options.