The Marin County Office of Emergency Services estimates damages from the Dec. 10 to 11 storm to be $13.3 million. 

The estimate is the first step in a multi-tiered process for requesting state and federal aid to recoup storm-related damage costs. It will be sent to Gov. Jerry Brown’s office, which last week declared Marin one of several counties in a state of emergency.

The governor’s office has already provided funds to help Caltrans pay for…