Our site is currently undergoing maintenance.

The Alarm Detail office is closed to the public due to COVID-19. At this time, no payments or applications can be processed online. Payments can be mailed to 9418 Jensen Drive, Suite A, Houston, TX 77093. Please make check or money orders payable to Harris County Alarm Detail.

If you need to apply for your alarm permit, please visit www.harriscountyso.org to download our application. The application can be found under the SERVICES Tab located at the top of the page. Then select the option PERMITS. Please be sure to select “MAIL ALARM APPLICATION.”

If you have any questions, please call our office at 713-755-4600.
We apologize for this inconvenience.