Backed by Trust, Built on Security
We are one of the leading integrators of access control and security camera systems.
Built in Baltimore. Trusted Across Maryland.
Founded in 1969, Crest Lock Co. is a second-generation family-owned locksmith and alarm system company. Our highly trained team can lend an expert hand to help you find the best product for your security needs. Between our mobile showroom and van fleet, we even make the whole process convenient. We’ve proudly kept countless Baltimore homes safe over the years, and we’d love to do the same for you.
Projects
100+
Completed over 500 residential and commercial projects across Maryland with unmatched precision and professionalism.
Happy Clients
100+
We’ve earned the trust of over 80 homeowners and businesses through honest work, clear communication, and quality builds.
Commitment
110%
We go above and beyond — with 110% dedication to your project, your goals, and your satisfaction from day one.
impactful
Vision, Mission & Values
Our Vision
We aim to create lasting spaces that strengthen communities and inspire confidence — built with care and purpose.
Our Mission
We make security simple through clear communication, skilled technicians, and client-first service.
Our Values
We build with integrity, treat every project like our own, and prioritize quality over shortcuts. We’re committed.
What Drives Us
We started Crestlock to bring reliability back to security. That means trustworthy protection, clear communication, and systems that stand strong — inside and out. We’re proud to partner with homeowners, businesses, and organizations who value safety and security as much as we do.