Our Company

Founded in 1982, Sentry Installation, Inc. has been working with clients to provide security solutions for over 21 years. We are one of the largest, independent, locally owned and operated security companies in the Washington, DC metropolitan area. We primarily install First Alert Professional Security Systems a division of HONEYWELL, INC. - these state-of-the-art systems are among the best in the industry. These systems are only a part of the puzzle. In order to receive the piece of mind and performance you deserve, you need a partner. Sentry Installation, Inc. works hard everyday to be your partner.

Sentry Installation, Inc. serves the Greater Washington, DC Metropolitan area and is proud of its commitment to customer service - each customer receives personalized, customized security solutions that meet their individual needs. Selecting a security system for your home or business is one of the most important decisions you will ever make. Choosing Sentry Installation, Inc. to help design and install your system is just as important.

In order to provide our customers with the best possible solutions, Sentry Installation, Inc. offers a wide variety of Residential and Commercial security services.