For information regarding Knox Boxes:
First, be sure you reside in the unincorporated area of Harris County.
Search your address on the Harris County Apprasial District.
To order a knox product locking device for gate(s) or building(s), please go to www.knoxbox.com
Select "BUY" located at the top right corner of the screen
Enter 'Harris Co Fire Marshals Office' as your fire department, click 'Submit'
The 'Harris Co Fire Marshals Office' will appear again to be confirmed
You will see Knox products populate below, order any of the knox locking devices that meets your needs.