I need a professional to install a new security system
Our security experts are experienced and knowledgeable in the high-quality products that we sell to insure the quick and correct design and installation of your new system. Contact us today to speak with a Sentinel representative about getting secured, or learn more about our starter security packages. At Sentinel, your security is our priority!
I need to upgrade or repair my current system
Our qualified technicians can add new features to your security system with no added stress to you. We pride ourselves on providing “no worry” maintenance before, during, and after installation. After our technicians complete the job, you will have peace of mind knowing that your system will continue to work as promised. Contact us today to find out what new features are available.
I need monitoring service for my current system
Some home and business owners already have a professional security system in place. However, it may be outdated, still connected to expensive telephone lines, or no longer monitored – leaving you vulnerable. We are ready to get you connected and monitored from our local 24-hour central station. Contact us today to set up monitoring service.
Get Started With A Home Or Business Security Package
We are offering a Free Wireless Camera Device when you sign up for a Home or Business security system + monitoring package! Get started with connected devices, 24/7 emergency response, and complete peace of mind about your home or business when you’re not there.
FREE Wireless Camera Included!

*iPhone, iPad, & Apple Watch not included
Our Connected Suite Of High-Quality Security Products
FOR HOMES
FOR BUSINESSES

Video Surveillance
HD quality wireless cameras provide crystal clear video feeds accessible from your smart phone.
With SentinelSafe™ Video Surveillance, seeing what goes on at your home or business when you are not there is simple and convenient. 24/7 HD video recordings are stored in a secure cloud environment and remain accessible on any device for up to a year. When a camera is triggered or picks up unusual activity you will be immediately alerted with a clip sent directly to your smart phone.

Access Control & Door Locks
Remotely lock or unlock doors, receive alerts, and control when people can come and go.
With SentinelSafe™ Access Control, easily manage who comes and goes from your home or business by managing unique security codes, access control cards, lockdown/lockout protocols, and custom arming schedules that alert you to when and where users are accessing the property. Recall a history of access events with secure offsite records that are backed up to the cloud.

Intruder Detection
Receive alerts for unexpected events like a door or window opening at an unusual time.
With SentinelSafe™ Intruder Detection, be automatically alerted on your smart phone when a door, window, or entry point is breached, tampered with, or when motion is detected at an unusual time in your business. Intruder alarms can be connected to our local 24/7 central monitoring station so the police and fire authorities can be dispatched to your emergency.

FOR HOMES
Carbon Monoxide, Fire & Flood Protection
Receive alerts for unexpected events like a door or window opening at an unusual time.
With SentinelSafe™ Fire, Flood, and Carbon Monoxide Protection, achieve peace of mind for your home by receiving automatic alerts when a potential disaster is detected. House fires, burst pipes, and gas leaks can all be extremely costly disasters to repair – and are potentially life-threating if they occur undetected.

FOR BUSINESSES
Fire Alarm and Sprinkler Protection & Inspection
Ensure compliance with U.L. Listed fire alarm monitoring and inspections.
With SentinelSafe™ Fire Alarm and Sprinkler Protection & Inspection, achieve peace of mind for your business with code compliant Fire Alarm Systems design, installation, maintenance, testing, inspection, and 24/7 monitoring service. Rely on regular inspections of your fire alarm system, fire sprinklers and extinguishers to comply with local fire codes.

Automation Systems
Program customized light and thermostat sequences to create energy savings.
With SentinelSafe™ Automation Systems, fully-program and control your business’s security and energy management devices from the convenience of your smart phone or website. Save on energy costs with customized thermostat schedules and smart-technology outlets, and control lights and thermostats automatically when approaching the home or business.
Proudly Securing Dallas-Fort Worth For Over 50 Years
Since 1968, Sentinel the Alarm Company has provided effective security solutions to thousands of homes and businesses in the Dallas-Fort Worth Metroplex. Characterized by outstanding service before, during, and after installation, the sales representatives and expert technicians of Sentinel are available to make sure you are well taken care of 24/7.
What Makes SentinelSafe™ Security Different?
Family Owned & Operated Since 1968
Now run proudly by our second generation of security systems experts.
"No Worry" Maintenance Service
Our technicians are the best at maintaining security systems with no added stress to you.
Licensed & Insured Technicians
All Sentinel technicians are FBI background checked, drug-tested, and continuously recertified.
Local, State-Of-The-Art Monitoring
Our dispatchers have maintained a track record of uninterrupted excellence since 1989.
Easy Equipment Financing
Equipment financing can help you benefit from Section 179 tax advantages.
Security Association Leaders
We are active members in the top Dallas-Fort Worth alarm associations.
Dallas-Fort Worth's Trusted Security Systems Experts
See what our satisfied customers are saying
24/7 Emergency Services Available
Speak With A Security Expert.
Please give us a call, or fill out this form and a Sentinel security expert will call you promptly.
Our expert sales and service staff is available during regular business hours from 8:00am to 5:00pm Monday through Friday to assist you. If you have an after-hours request, a technician will be dispatched to contact you, and respond to your location with a fully-stocked service vehicle if needed. Our goal is to keep your security systems and services operating 24/7.
Corporate Office
Local: (972) 644-6866
Toll-Free: (800) 275-6866
Monitoring Center
Local: (972) 644-9575
Toll-Free: (800) 713-6475