Commercial Services


Masters Safe & Lock designs, installs and maintains keying systems for large institutions such as HMOs and hospitals, retirement villages and nursing homes, office buildings, etc., as well as for many small and large businesses in Frederick, MD and beyond.

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Residential Services

MedecoDeadbolt Since 1983, the security experts at Masters Safe & Lock in Frederick, MD have offered a wide array of products and services such as re-keying, installations (deadbolts, knob and lever sets, keyless entry), and lockout service to meet the unique residential security needs of each and every customer.

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Safes & Home Security

safes Our locksmith company in Frederick, MD knows how important a safe or vault is to your home or business. Whether you need a new safe installed or access to your safe, the professionals at Masters Safe & Lock are happy to serve commercial and residential clients in Frederick, MD and surrounding areas with a variety of safe and vault services.

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About Masters Safe & Lock

Welcome to our new locksmith and key shop, located conveniently at 430-C East Patrick St. Frederick, MD 21701, just across the street from the Frederick Fairgrounds west entrance. Our locksmith shop and service hours are from 8:30am-5:00pm Monday-Friday. Emergency services are available 24 hours a day. Most keys to be cut and locks to be rekeyed can be done while you wait. We can also do lock repairs and even safe openings and repairs here at our shop in Frederick. For over 30 years now, we have been a local, family run business, serving not only Frederick Maryland, but the entire Frederick, Washington, Baltimore triangle and beyond. We look forward to serving our longtime customers and new customers alike from this new facility, with the same philosophy that has guided us through the past three decades – providing "Reliable Service and Reasonable Rates".