Call Us: 847-456-4873847-456-4873

Over 40 Years Serving Cook, DuPage, Lake, Kane and McHenry Counties

Welcome Northern Key & Lock Customers!

It's our honor to continue the same great service that you've become used to with Northern Key & Lock. You may remember us from 20 years ago when we worked for Northern Key & Lock. It's our pleasure to continue to handle your security needs both at home and at work. 

Welcome to North Star Lock Service

How secure is your business when you’ve locked up for the night? How safe do you feel about your home while you’re away? Are your documents at home and office safe? Let North Star Lock Service guide the way to your safety and security!

For centuries, navigators around the globe have used the North Star to guide them safely. For 31 years,  Chicagoland has counted on North Star Lock Service lead the way to safety and security no matter where the home or office is! We service the Illinois counties of Cook, DuPage, Lake, Kane, and McHenry! 

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Need to change your locks? Look no further than North Star Lock service for the friendliest and most knowledgeable customer service.Not only can we re-key your existing locks, but we can also talk to you about your options in keyless entry.

Did you know that 1 in every 5 homes in the Chicago area will have a burglary, fire, or carbon monoxide poisoning over the next 6 years? Let North Star Lock Service help you to protect yourself from being a statistic!

9 out of 10 convicted burglars agree that they avoid a home or business protected by an alarm system. We can help!

North Star Lock Service specializes in security systems customized to fit your home or business needs.

Contact us today!

Certified Registered Locksmith

Over 40 years experience in keeping your family safe and secure.