[header] How to become a home improvement contractor [title] Accumulate work experience in residential construction. [step] As a home improvement contractor, you'll be expected to handle every aspect of a homeowner's renovation project. The best preparation for this expectation is to accumulate experience working in construction. 
Options include working as a carpenter for a large general contractor and working as an assistant to an established home improvement contractor. Aim to earn at least 5 years of relevant work experience before trying to start your own business.