Contact the Union Office

Have some questions? Contact The Union Office Today!

IMPORTANT: THIS FORM SENDS ALL CORRESPONDENCE TO THE UNION OFFICE. IF YOU'RE TRYING TO SEND AN EMAIL TO THE TRAINING CENTER, CLICK HERE. IF YOU'RE TRYING TO SEND AN EMAIL TO THE TRUST FUNDS, CLICK HERE.


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Local Union 342, welcomes all correspondence with End Users, Owners, Project Managers, potential Apprentices, interested Journeymen or those who are just interested in providing feedback about our website.


Address: 935 Detroit Ave, Concord, California 94518 Phone: (925) 686-5880


Business Hours

Monday - Friday: 8 am to 5:00 pm Saturday: Closed Sunday: Closed