Customer Care

Installing and maintaining security systems is our specialty. Sentry Installation, Inc.  is a step ahead of most alarm companies in our Customer Care. Since 1982, we’ve been bringing security and satisfaction to our customers.  The Customer Center is for existing customers to request service or request additional security. If you’re looking for new installation of a security system, please visit our Contact Us page or call us at 1-800-670-1008.

Sentry Installation, Inc. services and repairs any business alarm system and home security system. Serving residents in West Bethesda and surrounding areas.

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Customer Care Contact
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