San Francisco DUI Lawyers, Law Offices of Robert Tayac Welcome to the website for San Francisco DUI lawyer and California DMV attorney Robert Tayac. If you, a relative or someone you know and care about has been arrested for driving under the influence (DUI) in San Francisco, or the surrounding counties of Alameda, Contra Costa, Marin, Napa, San Mateo, Santa Clara or Sonoma, or has received a letter from the California Department of Motor Vehicles Driver Safety Office threatening a driver's license suspension or driving privilege suspension, please read the material presented in the "What to Do First" and "DUI Overview" sections of this website, then seriously consider hiring an experienced and locally based lawyer who specializes in DUI defense and California driver's license suspension matters.