Around 2300 hrs Engine Company 25 was alerted for a reported house fire at 5709 San Juan Dr. in Clinton. Engine 255 responded with 4 personnel and arrived to find a 1 story single family dwelling with smoke showing. Upon making entry the crew encountered heavy smoke conditions as they advanced a 1 3/4" hand line down the hallway. Moderate fire conditions were found in a rear bedroom and an agressive extinguishing effort was initiated. The fire was quicly extinguished and a check for extension was performed. Truck Company 32 assisted in the operations with ventilation and overhaul as well as checking for extension in adjacent areas. Units cleared around 0100 hours.