Cause of 12th St. vacant house fire unknown Cause of 12th St. vacant house fire unknown Advocate Staff file photo by Kerry Maloney Advocate staff report July 08, 2014 Comments Baton Rouge firefighters hadn’t determined yet what caused the fire at a vacant house on South 12th Street Monday morning, the department announced. Firefighters arrived at 5:37 a.m. at 230 S. 12 St. to find fire in the kitchen and attic. They had it under control by 5:55 a.m., department spokesman Mark Miles said in a press release. The house valued at $125,000, suffered $60,000 in damage, Miles said. Though vacant, the house still had power. Investigators are still trying to determine a cause, he said.