The mudslide struck homes on Crescent Avenue and Sausalito Boulevard. At least one home slid into another in the neighborhood.
A woman was inside the home that slid down the hillside. She was taken to the hospital and is expected to recover.
The strong storm has been pounding Sausalito; 4.92 inches of rain fell on the city in the last 24 hours and 5.57 inches fell in the past 48 hours. Winds have been gusting at 30-50 mph hour overnight through the region.
An evacuation center has been set up at 333 Johnson Street in Sausalito.