On July 19th at 9:41 p.m. SBCoFD responded to a Commercial Structure Fire at 14800 7th St. in the City of Victorville. First arriving units found a large steel building well involved and immediately requested a 2nd alarm. The fire was knocked down in approximately 50 minutes. County Fire responded with a total of 51 personnel on 11 paramedic engines, 2 truck companies, 1 medic squad, 3 chief officers and 1 fire investigator. Apple Valley Fire District assisted with one paramedic engine and 1 breathing support unit. There were no injuries to firefighters or civilians. The cause remains under investigation.