Service Areas
Protecting Greater San Antonio
Shield Alarm LLC proudly serves San Antonio and the surrounding communities with professional alarm systems, security cameras, and low-voltage solutions.
Communities We Serve
From the heart of San Antonio to surrounding suburbs and cities, our certified technicians are ready to secure your property.
San Antonio
TX
New Braunfels
TX
Boerne
TX
Helotes
TX
Leon Valley
TX
Alamo Heights
TX
Converse
TX
Live Oak
TX
Universal City
TX
Schertz
TX
Cibolo
TX
Seguin
TX
Bulverde
TX
Stone Oak
TX
Shavano Park
TX
Hollywood Park
TX
Castle Hills
TX
Selma
TX
Garden Ridge
TX
Fair Oaks Ranch
TX
Security Services Available in All Locations
Alarm Systems
State-of-the-art intrusion detection and alarm systems for homes and businesses.
- Motion Detection Sensors
- Door & Window Contacts
- Glass Break Detectors
Security Cameras
HD and 4K surveillance cameras with remote viewing and recording capabilities.
- HD & 4K Resolution
- Night Vision Technology
- Remote Mobile Viewing
Access Control
Keycard, biometric, and smart lock systems for secure entry management.
- Keycard & Fob Systems
- Biometric Scanners
- Smart Lock Integration
24/7 Monitoring
Round-the-clock professional monitoring services for immediate emergency response.
- 24/7 Professional Operators
- Immediate Emergency Dispatch
- Cellular Backup Communication
Audio/Video Solutions
Complete audio and video systems for entertainment, communication, and security.
- Multi-Room Audio
- Video Intercom Systems
- Commercial PA Systems
Data & Network Services
Structured cabling, network infrastructure, and server rack installations.
- Structured Cabling (Cat5e/Cat6)
- Fiber Optic Installation
- Network Rack & Cabinet Setup
Professional Security Installation in the San Antonio Metropolitan Area
Shield Alarm LLC is proud to be one of the most trusted security system providers in the San Antonio, Texas metropolitan area. Whether you need a complete home alarm system in Stone Oak, commercial security cameras in downtown San Antonio, access control for your Boerne office, or structured network cabling in New Braunfels, our licensed technicians deliver expert installation and ongoing support.
Every community we serve receives the same commitment to quality: thorough property assessments, customized security designs, clean professional installations, and 24/7 monitoring options. We understand that security needs vary from neighborhood to neighborhood, which is why we offer tailored solutions for each property we protect.
From residential homes in Helotes and Alamo Heights to commercial properties in Schertz and Universal City, Shield Alarm LLC has the experience and certifications to handle projects of any size. Contact us today for a free on-site assessment and discover why hundreds of families and businesses trust Shield Alarm for their security needs.