About Us

McCausland Lock Service, Inc. is the largest locksmith company serving the Delaware Valley area. The McCausland Family has been in the Locksmithing business for over 100 years. Chuck & Tom McCausland are the fourth generation, following in their dad Walt McCausland’s footsteps, as experts in the security field. Tom’s daughter, Chrissy, is now our fifth generation.

We pride ourselves with having the finest security technicians in the industry. We specialize in all types of Locks, Locking Hardware, Master Key Systems, Safes, Access Control and CCTV Systems. Our capable staff is ready to handle any security problem promptly, and efficiently. Many Delaware Valley residents already know us for our outstanding service.

If you have not yet visited our store, we welcome you to stop by to view our large selection of products on display. We carry all the top name brands including EMTEK, Kwikset, Medeco, Schlage and more. We have a wide selection of locks ranging from decorative door handles, dead bolts, mortise locks and all types of commercial locks. Our professionals are able to rekey locks and provide full installation services as well. We also offer a large selection of window locks, automotive locks, security doors and hinges. We are here to answer your questions and give advice on any of your security needs. Please keep us in mind for all of your lock and security needs.