Serving Monroe County for 40 years

Lock Rekeying

Complete replacement of tumblers and springs. Get the peace of mind of controlling who has keys for your home or business!

Automotive "Chip" Keys

Since 1999, most car keys come equipped with a computer chip called a transponder to prevent theft. With the Ilco RW4 Plus we can cut and program virtually all transponder keys or "chip" keys regardless of year, make, or model. We can do this at SUSTANTIAL savings to you. Try us first before the dealership.

Home and Business Lockouts

Locked out? We can get you in, guaranteed!

Safe Combination Changes

Did you know that in most cases, safes have upwards of one MILLION combinations and that combination can be changed over and over again? Let us help protect your most valuable belongings when the wrong person gets your numbers.

Key Origination

Lost keys? We may be able to make new ones through a variety of methods!

Vehicle Lockouts

Quick, guaranteed damage free vehicle openings!

Key Duplication

Home, office, and car keys with color designs for house keys!

Lock Sales

We offer a wide variety of locks for home or business. Electronic and mechanical. Deadbolts, knobs, levers, you name it. We either have it or we can get it!

Master Brand Bluetooth Padlocks

Convenience At It's Best!

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Car Keys and Key Fobs

We do a wide range of car keys and fobs. This includes both domestic and foreign.

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New Safes

Fire safes are our most popular item.

​​​​First established in 1980, Monroe Lock and Safe Company has spent decades building up a reputation for prompt, friendly, and professional service that helps us stand out in our industry. We are a full-service shop with mobile locksmiths. We are also members in good standing with ALOA (Associated Locksmiths of America) and SAVTA (Safe and Vault Technicians of America). We also offer 24 hour emergency services. We can cut and program virtually any car key on the market, including laser cut keys. We also offer key fob programming. We value all of our customers and take the $5.00 sale just as seriously as the $5000 sale. Come see the difference for yourself. At ML&S you are never an interruption of our business, you ARE our business!
  • 221 North Monroe Street, Monroe, MI, USA