Fire investigators are working to determine the cause of a house fire that started Monday afternoon in Goleta. It happened around 2:40 in the 300 block of Sherwood Drive. Firefighters received numerous calls from people who could see the smoke as far as a mile away. Crews were able to contain the fire to the rear deck and an office area in the multi-story, wood-framed home. No one was injured, and no one was in the home at the time.