Anyone interested in checking out the advantages of becoming a union member, from recent high school graduates to seasoned carpenters, are welcome to contact our office to get the information. Let us know that you are interested in a career in construction. We will assist you by giving you the information you will need to become a Union Carpenter. The Carpenters Training Committee of Northern California apprenticeship program is a 4-year course including classroom training and paid on-the-job training.