Contact Your Local Metal Trades Council Search Directory Bay Cities MTC Bay Cities MTCPresident Contact: Larry Mazzola, Jr Work 4437 James Ave. Castro Valley CA 94546 United Stateswork Cell Phone: 415-601-8281cell Work Phone: 415-626-2000work Work Fax: 415-626-2009workfax Updated 2 years ago. Show Bio | More Information Biography More Info Mike Grabowski, Primary contact before president