Abstract: A storage propane tank storage cabinet including a frame, a door operably attached to the frame, and a locking bar operably attached to the frame, the locking bar configured to move from a first position to a second position, wherein, when in the second position, the locking bar covers a portion of the door proximate a top corner of the door and proximate a bottom corner of the door to prevent unauthorized access to an interior of the frame is provided. Furthermore, an associated method is also provided.