Becoming a plumber typically starts with an apprenticeship, which combines hands-on experience with classroom learning, allowing individuals to earn while they learn. Apprenticeships in Auburn, ME, last about four to five years, requiring many hours of training under licensed professionals. The U.S. Bureau of Labor Statistics reports 635,000 plumbers nationwide, with 1,500 in Maine, and projects a 6% job growth from 2022 to 2032. Apprentices earn an average of $1,100 per week in Maine, with an annual overtime average of $4,780. Trade schools, unions, and platforms like Gild help aspiring plumbers find apprenticeship opportunities, leading to a career with strong earning potential—often exceeding $80,000 annually for experienced professionals.