Westminster Security Company and Alarm Company of Maryland are Maryland-based and family-owned electronic security providers. We have been serving our loyal customers, both residential and commercial, since 1970.

In addition, we also provide services to the surrounding areas of Pennsylvania, Virginia and Washington D.C. (Not Affiliated with Westminster Security-Toll Brothers Homes).

We have been in business for over forty years. Our foundation was built with this mission in mind: 100% customer satisfaction. We attain this goal by providing the highest quality products and services at an affordable price backed with an excellent monitoring service and a friendly, knowledgeable staff of security experts.

We are large enough to serve your every security need, but small enough to know each customer by name. Currently, we have over 12,000 monitored customers.

Our Services:

• New Construction- Residential & Commercial 
• Home Intrusion 
• Commercial Fire Alarm System 
• Commercial Burglar Alarm Systems 
• Access Control Systems 
• Commercial CCTV 
• Medical Alert Systems