What was Jesus's job before his ministry?

The short answer

He worked with his hands. The Gospels say the people of Nazareth knew him as “the carpenter.” That is the only job the record gives him before he began to teach at about thirty.

What the record says

When Jesus came home to teach, his neighbors asked:

“Isn’t this the carpenter, the son of Mary, and brother of James, Joses, Judah, and Simon?” (Mark 6:3)

Some churches read “brothers and sisters” as cousins, or as Joseph’s children from before.

Matthew calls him “the carpenter’s son” (Matthew 13:55). The Greek word, tekton, means a builder or craftsman, most often in wood. In a farm village, that work meant plows, yokes, doors, beams, and furniture. It was hard, steady work, paid by the job. Jesus most likely learned it from Joseph, the way most sons learned a trade from their fathers in that time.

The Gospels do not say how long he worked at it, who he worked for, or whether he took jobs in nearby towns. We do notice that once he began to teach, he spoke often of things a builder would know, like a house built on rock (Matthew 7:24) and counting the cost before building a tower (Luke 14:28).

How Son of Man tells it

Son of Man is a novel. It imagines the years the Gospels skip. In the novel he goes by Yeshua, the name his family would have called him. In chapter seven, The Catastrophe, Yeshua is fourteen and planing cedar for a cabinet when a runner brings word that his father was hurt on a building site. After the burial, with a debt owed to the wood merchant and seven younger children to feed, he tells his mother he will take over the shop. She reminds him how young he is.

“I know. But I can do the work. He taught me.”