• Welcome to R.J Lock & Security, Inc.

    Welcome to R.J Lock & Security, Inc.

    For almost two decades , R J Lock & Security of Frederick Inc has served the Frederick, Maryland area with a commitment to service and value. We appreciate your interest and look forward to earning your business.
  • Don’t Fall Victim To A Locksmith Scam!

    Don’t Fall Victim To A Locksmith Scam!

    Do your homework, ask questions and be sure to hire a locksmith who is a member of the Associated Locksmiths of America (ALOA). ALOA members adhere to a strict code of ethics and undergo rigorous training, testing and ongoing education and certification. RJ Lock & Security is registered member of ALOA.


Welcome to RJ Lock & Security of Frederick. We been a full service mobile locksmith in Frederick, MD for the past 20 years. We look forward to to helping you with all of your lock & security needs in Frederick, MD. Read more about us.


Locksmith Services in Frederick
County Maryland & Surrounding Areas

Locksmith Services

Mobile Locksmith Services in Frederick, MD
Showroom Locksmith Services
  • Keys Cut
  • Locks Rekeyed
  • Keys Made
  • Repair Locks
  • Decode Keys

Lock & Security Products

Lock & Security Products in Frederick, MD
  • Locks
  • Padlocks
  • Decorative Keys
  • Pepper Spray.
  • Key Chains
  • Lanyards
  • Hide-a-keys
  • Secret Compartment
  • Key Accessories
  • Badge Holders
  • Key Baks