Firefighters were battling several pallets piled up and ablaze on the property in the 8300 block of Sultana Avenue. The business is located in an industrial area.
Fire officials said multiple propane tanks exploded on the property. The fire broke out around 3:25 p.m.
One firefighter sustained a heat-related injury and was transported to the hospital.
The cause of the explosion was under investigation.
Fire officials said the burned pallets will likely smolder for a few more days.