Alarm Permits

Alarm permits are required by most cities and towns across the state of Texas. Most cities will not respond to your alarm without registering your permit first. Some cities will still respond, but fine you up to $500.

The easiest way to register your alarm permit is to search your local police department’s website because most of them have the registration form and directions on their website. Once you’ve gotten your permit number, contact our office right away at 972-526-8500, and give us your permit number and expiration date.

Family Owned & Operated since 1978 in Texas

We own and operate our own UL listed dispatch center right here in Texas, and that’s how we’re able to offer high quality monitoring at a great price. We are the largest independent alarm company in Texas.

No Contracts. No Price Increases.

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What our customers say

100% Satisfied

From the first phone call to the actual use of our security system we have been 100% satisfied! The technician was knowledgeable and courteous. He was able to answer all my questions and get the system up and running in no time. Thank you Smith Thompson Home Security for making our home more secure and at an affordable price to do so!!!!

Happy Customer Dallas, TX

We had a great experience with Smith Thompson

Recently for our home in downtown Houston! I was referred to Smith Thompson by a friend after expressing frustration with some of the larger brands that lock you into a 3-year contract. We called to inquire about the most cost-effective…

Excited Customer Houston, Texas

Official Home Security Company of the Dallas Mavericks