Inspections & Requirements

Fire Protection System Requirements

All fire protection systems must be installed by a company licensed in the State of Texas for the work being performed. An automatic fire sprinkler system will be required for commercial and residential structures in excess of 6,000 square feet. To see the amendments to the 2021 International Fire Code please view the link at the bottom of the page. 

Knox Lock Boxes

Knox Boxes are to be installed at exterior access doors to the fire protection riser rooms or other identified locations as required by the Fire Marshal.

Knox Boxes are ordered on-line at and are assigned a unique key core for the City of Southlake Fire Department.

To order a Knox box that has been approved and keyed for the Southlake Fire Department:

  • Select the box you want on the Knox website
  • Enter the zip code for Southlake - 76092
  • Select Southlake DPS from the list

Food Trucks

For information on obtaining a permit for a mobile food truck, please visit the Tarrant County Health Department. Once you have received the required permits from Tarrant County Health Department and want to attend an event in Southlake, please contact the Southlake Fire Department to schedule an inspection and utilize the general requirements for fire department requirements for food trucks. If you have any questions or schedule an inspection, don't hesitate to get in touch with the Office of the Fire Marshal at 817-748-8233.

City Amendments - Click to View

Cover of the 2021 International Fire Code
  1. Kelly Clements

    Deputy Chief - Fire Marshal