Becoming a plumber typically starts with an apprenticeship, which combines hands-on experience with classroom learning, allowing individuals to earn while they learn. Apprenticeships 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 a median annual wage of $61,550, equivalent to $1,183 per week. In Philadelphia, MD, plumbers earn an average of $1,235.65 per week. 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.