Summary: Fire units responded to a fire alarm at a large commercial structure located at 11085 Commercial Parkway, near Ocean Mist Parkway and Blackie Road in Monterey County, California. Upon arrival, crews found an automobile alarm sounding but observed no visible signs of fire. They were unable to access the building or contact the responsible party. A neighbor reported that the alarm had been sounding for over a week. After a thorough inspection, no hazards were found and the units cleared the scene.