Welcome to sentry!

If you’re ready to protect your home and family with a top of the line alarm system, or need to improve your business security systems, you can put your trust in Sentry Installation, Inc. Sentry Installation, Inc. is one of the largest, independently owned and operated security companies in the Washington, DC metro area. We have more than 30 years of experience designing, installing and monitoring home alarm systems and business security systems. Our experienced security professionals will provide you with today’s finest home alarm system or business security systems to fit your needs and budget. It all starts with a free Security Assessment of your home or business.

Home Security
As an authorized First Alert Professional Security Systems dealer and Honeywell dealer we can offer these top of the line home alarm systems to keep you and your loved ones safe. We will work closely with you to design a customized alarm system for your home and family. From motion detectors and glass break detectors to video surveillance systems and remote control of your alarm system, we provide you with the latest in home alarm system technology.

Business Security
The security professionals at Sentry Installation, Inc. are the ones to call for high tech, dependable office security systems that will protect your business and your employees 24/7. The First Alert Professional/Honeywell burglar alarms, access control systems, fire protection systems and video surveillance systems work seamlessly to provide you with the best security system available. Our business security systems reduce the threat of a break-in, shoplifting and employee theft.

Contact us today to find out why thousands of homeowners and business owners in Maryland, Northern Virginia and the Washington, DC metro area put their trust in Sentry Installation, Inc.