Teamsters Local 481 is over 2,500 members strong - representing a wide variety of San Diego's finest people. All the members of Local 481 are committed to each other toward workplace dignity & respect. We fight for the long held Teamster traditions of better pay, benefits, and working conditions. San Diego's best jobs are union jobs. History Our original charter was issued June 9, 1944 - Chauffers, Taxi Cab, Funeral and Ambulance Drivers of San Diego, California. A revised charter was issued October 21, 1947 - Chauffers, Garage and Automotive Employees, San Diego County, California. A revised charter was issued October 1, 1962 - Automotive and Allied Industri es Employees, San Diego County, California.