1226 hours/ 1145 N 12th Street/ Box 0902/ B Platoon- Companies were sent to the noted address for reports of fire on the 3rd floor. Engine 9 and Ladder 3 arrived on scene in under 3 minutes from dispatch. E9 reported a 3 story mid row structure with nothing showing from the A side. Upon investigation crews found a fire on the 3rd floor in the front bedroom. A hand line was stretched via the interior stairwell and the fire was quickly knocked down. Command reported the fire under control with overhaul at 1240 and all searches were negative. The Office of the Fire Marshal is investigating the fire.