Zakariyya (Zechariah) (peace be upon him) was a carpenter
Authentic hadithعن أبي هريرة رضي الله عنه أن رسول الله صلى الله عليه وسلم قال: «كان زكريا -عليه السلام- نجَّارا».
Abu Hurayrah (may Allah be pleased with him) reported that the Messenger of Allah (may Allah's peace and blessings be upon him) said: "Zakariyya (peace be upon him) was a carpenter."
Explanation
The Prophet (may Allah's peace and blessings be upon him) informs us in this Hadīth that Prophet Zakariyya (peace be upon him) worked as a carpenter, and he used to earn his sustenance from carpentry.
Source · Narrated by Muslim
From the Hadith Encyclopedia (hadeethenc.com).