About Us

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. So, whether you need us to install a new alarm system, get a spare transponder key, or you even need a hand getting back into your safe, we're at your service. We’ve proudly kept countless Baltimore homes safe over the years, and we’d love to do the same for you.