
Alarm Systems in Houston by Big Tex Security
At Big Tex Security we are big on customer service and it shows.
From the sales process to the alarm system installation, to the alarm security monitoring, our professionalism shows in every step of the process.
We install both residential and commercial security systems throughout the Greater Houston area.
For a free quote on your commercial or residential security needs, give us a call @ (281) 783-3900.

New Security System Installation

$0 Installation $0 Activation
with our standard 36 month monitoring agreement
Includes: 1 alarm control panel, 3 door contacts or connect all pre-wired openings, 1 motion detector, 1 interior siren, 1 back-up battery, 1 yard sign, 1 set of window decals.
Wireless Alarm Monitoring

No landline phone needed.
Big Tex Security can monitor your alarm system with a GSMX cellular device.
Save money by not having to pay for that traditional landline phone you aren’t using for anything but the alarm.
Smart Home Automation System

Simple Home Automation
- Remotely arm/disarm your system
- Control lights, locks, and thermostat via smartphone or laptop
- Add cameras to look in and view your property
Call Big Tex Security for All Your Security Needs
Big Tex Security Provides Alarm Monitoring For These Popular Systems















Fast, Affordable Alarm Monitoring
Big Tex Security provides affordable home security monitoring and commercial alarm monitoring throughout the Greater Houston area.
Our UL listed Central Station is 5 Diamond Certified. Our operators are properly trained and handle calls promptly and professionally.
We monitor the following systems:
- Honeywell V10P, 15P, 20P
- DSC 1555 MX, 1616, 1832, 5010
- 2 Gig
- GE Interlogix NX 6, NX 8, Concord 4
If you have a system that is not listed above, then please call us and we can give you a quote on monitoring the system you currently have, or an upgrade if needed.

Big Tex Security
State License: B03023601
Our Service Area:
Big Tex Security offers alarm monitoring and security system installation services to the entire Greater Houston area including Houston, Katy, Missouri City, Fresno, Sugar Land, Richmond, Pearland, Friendswood, Manvel, League City, Baytown, Channelview, Sealy, Fulshear, Needville, Tomball, Cypress, Hockley, Waller, Spring, The Woodlands, Humble, Kingwood, Conroe, New Caney, Porter, Midtown, West University, Bellaire, & the Galleria area.