the house is located on corbitt. this is called the upper neighborhood. the damage is in the back of that building and then the building next door suffered some exposure damage. that's on clayton. now, i talked to some people here, some of the people left displaced by the fire, some people who are evacuated. he says he got out with his pregnant wife, only because of the direction of the wind he was saved. >> we are lucky. the wind -- the wind was blowing in the opposite direction from our house. that's the only thing that saved us. this fire was called in by 3:00 a.m -- at 3 about 3:00 a.m. by a resident and also two police officers were conducting surveillance at the time and they were doing that because of four arson fires in the castro, which is not far from here. there is sa theory the fire started on the deck at the home in -- in corbitt. and some believe the materials may have been the cause of the fire. and police and arson investigators are asking the homeowners what kind of materials were used. >> it could have that been that, you know. i know th