Sentry Security Service
Serving Southwest Texas with offices in Del Rio & Uvalde


Security for Your Home
Security for Your Business
Security for Educational Facilities
Security for Government Facilities
Security for Hospitals & Health Care
Security for Airports & Transportation
Security for Farm & Ranch
Game Management Surveillance
Our Night Patrol Service

Surround Sound
Our HistoryFAQs

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Sentry Security Service
222 Bedell Ave
P.O. Box 1512
Del Rio, TX
phone: 830-774-5033
fax: 830-778-8143
Contact Us

Del Rio Emergency Police & Fire  911
Non Emergency Police 830-774-2711

Your security is important to us. Everyday homes and businesses are burglarized costing billions of dollars and stealing your peace of mind! Call Sentry today and find out how we can help protect your most valued possessions with a customized Security System.
Sentry Security has been installing Fire Systems for over 30 years and has been helping our customers protect their property and saving lives. Sentry has been providing the highest quality workmanship and reliability in every aspect of Fire Safety. From new installations, to service or inspections. When it has to work every time, you need a company that has a storied and proven track record. Call Sentry today and ask to speak to one of our licensed Fire Safety experts today.

  • Door & Window Contacts
  • Glass Break Detectors
  • Motion Detectors
  • Panic Buttons
  • Medical Buttons
  • Carbon Monoxide Detectors
  • StarLink Cell Phone Uplinks
  • Remote Arm/Disarm by cell phone or computer.
  • Access Control Systems
  • Camera Systems
  • Smoke Detectors
  • Heat Detectors
  • Pull Stations.
  • Duct Detectors
  • Voice Evacuation,
  • Horn/Strobes
  • Strobes


Sentry Security Service Del Rio Texas Uvalde Texas Southwest Texas













Sentry Security Service installs fully certified security systems. Your security is important to us! If you have any questions or concerns about your security system or the services we provide, please contact us immediately at 830-774-5033 or toll free at 877-808-7888.

Character Counts! Every Employee at Sentry Security Service is licensed by The Texas Department of Public Safety. Our Employees have been extensively screened with background checks to ensure that we hire only the most qualified, reliable and trustworthy individuals.

Copyright 2010 Sentry Security Service
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Security for Your Home  |  Security for Your Ranch  |  Security for Your Business  |  Game Management Surveillance
Security for Educational Facilities  |  Security for Government Facilities   |  Security for Hospitals & Health Care
Security for Airports & Transportation  |  Fire  |  Intrusion  |  Surveillance  |  Our History  |  Contact  |  About