The Dunn's Corners Fire Department was alerted to a possible building fire late Friday night. Car 1 was responding and updated by dispatch that the caller reported the boat house on fire. Car 1 arrived and downgraded the call to a dumpster fire with no exposures. The crew from engine 4 pulled a bumper preconnect and extinguished the small 15 yard dumpster in quick order. Engines 5 and 6 were standing by and used manpower at the scene.