Napa County Sheriff's Office 1535 Airport Blvd, Napa, CA94558 This is the headquarters of the Napa County Sheriff's Department. The upper level houses the Sheriff's office, the…More administration, patrol and training room. The lower level includes the coroner, property criminal lab and civil processing. Handicap access is available at the lower level. Located next to the Fire Department, the Napa County Sheriff's Department has occupied this location on Airport Boulevard for five years. Sheriff-Coroner, Douglas E. Koford is presiding on his second term.